4l60e Torque Converter Noise

The section below the Converter Part Number (Grey Band) is for information unique to the converter that may assist you in the correct idenification. anyone running a stall? not looking for anything drastic but just a little something. A shudder or vibration may develop while driving at speeds between 35 and 40 MPH. The torque converter will still spin as it is connected to the back of the crankshaft via the flexplate (flywheel). She took it to a shop where she said. If you continue to push and rotate, you will hear a scraping noise coming from behind the torque converter. This transmission will need an overhaul to fix this problem. Roll down the window and use your ears to listen to the sounds that are coming up from the transmission. 00 - Includes New 6L80E Transmission, Free Shipping (within mainland USA), 3 Year Nationwide Warranty, HD Torque Converter. Doubtful! But it will or can cause all kinds of other problems. Top 30 Common 4L60E Transmission Problems and Repair. My Brother-in-Law is a mechanic (but not a specialized tranny guy) and he thinks it might be the torque converter. The torque converter is spinning anytime the engine is running, but is only under load when the car is in gear either forward or reverse. The 13-element high-capacity front pump is installed prior to the torque converter. Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. It requires 8. You can see that article on this page, below. These Torque Converters are hand built using quality parts and tested to exceed OEM standards. Shouldn't cost over 1500$ to repair if it is a transmission. With an upgraded 4L60E transmission, it was time to illustrate how to install it in our early A-body and how to get it working properly. There is nothing holding the torque converter to the transmission except the flex plate. 4L60E Shift Boss Mount. 0 gas engine and a six speed 6L90 automatic transmission. He said it tries at higher rpms but it won't budge. We've listed some of the most common GM transmission part numbers below, making it easy to look up our pricing and place your order. The Maximizer Towing Torque Converter has stall ranges from 1000 to 1200 rpm, and is an excellent choice for all heavy load applications, including motor homes and tow vehicles. He put the trans back in and now the truck won't move at all in any gear. Removing and installing new torque converter. 700r4 Rebuild Tips, Tricks & Tools Back to VetteStuff Index Background: After I had my car for about 20 years it started leaking transmission fluid from the hole in the torque converter cover. Have a shop verify line pressure, and provided no valves in the TCC hydraulic circuit are worn, replace the torque converter. It has slots cut in it that engage the tangs on the front pump of the transmission. General 4L60E Information B&M's 4L60E Shift Improver Kit was designed to provide firm positive shift quality and improve. I, personally would rather have a fresh built HD 4L60E any day than some of these newer models coming on the market. This page is designed to assist you in identifying the torque converter in your transmission/vehicle. Almost sounds like rod knock, but I just put the engine in and its been doing it since i first started it up. The powertrain has a very irritating vibration when accelerating through or holding it at 35 - 40 mph. Shouldn't cost over 1500$ to repair if it is a transmission. A torque converter shudder is a brief shake or shudder in the vehicle when internal clutches apply inside the torque converter. Roll down the window and use your ears to listen to the sounds that are coming up from the transmission. Variations of the TH350 family. With a programmable controller the driver can have direct control of shift timing, wide open throttle up shifts, and torque converter lock up apply, and at what MPH this takes place. Are you bored? Try the Fun Stuff. The filter will plug with clutch lining over time and plug the filter and the suction through the plugged filter is creating the noise. atsg 4l60e repair manual atsg 4l60e rebuild manual chevy atsg 4l60e rebuild pdf 4l60e repair manual pdf 4l60e transmission repair manual 2004 4l60e repair. Also, Lubegard Shudder Fix will at least fix this for awhile. Re: 4L60E knocking noise 07-13-06 07:14 AM - Post# 967909 In response to 77chevy Just removed and replaced the TC bolts. It wont make noise at idle or in neutral unless the entire torque converter is in very bad condition and has lots of metal in it. Usually they have a click/clack noise first and it can last for a while or as in your case it can. (Page 1 of 3). The 700R4 was renamed the 4L60 in 1990, then evolved into the 4L60E when electronic control was added. Doubtful! But it will or can cause all kinds of other problems. The noise seems to coming from the tensioner arm. 4 quarts of transmission fluid is required, while the 11. This allows the transmission to operate more efficiently at higher RPM. The function of the torque converter is converting hydraulic pressure in the transmission to mechanical torque. Its a 4l60e, according to what I have read that the 95 is its own beast with its FCC puslse width modulated or something like that. The transmission has a shift kit and a 3000 rpm stall torque converter. (Torque Converter Clutch) Iockup speed have been preprogramed into the PCM at the factory. Do you know what a torque converter is? If you have an automatic transmission and you're looking for more performance, you should. Now my question is could the converter be my whole problem?? It only makes the knocking noise when the truck is at normal operating temperature and it gets quieter when in gear. All of the param­eters that control fluid pressures, shift point RPM and TCC (Torque Converter Clutch) Iockup speed have been preprogramed into the PCM at the fac­tory. It has quiet, vibration-free running which allows the operator to ascertain the noise level within the transmission and torque converter assembly. My question is, is the internals of the torque converter supposed to rattle around in there? video coming when it finishes uploading. Torque Converter Upgrade By Scott Mueller. Re: 4l60e no 1st / not shifting to 4th: Dan: 1-20-09 : I just finished a complete rebuild of a 4L60E for a friend. The noise only happens at idle speed, as soon as you touch the accelerator it goes away completely. Trust Ricks' Camaro for all your 1998-2002 Camaro restoration parts. Maybe in the case of the one with the converter, a bunch of that sh1t from the converter wound up in the pan, but the trans still worked so all that old cruddy fluid crudded up the screen, it would drip off again if left to cool and then would clog itself up again. Identifying torque converter lock up signal Consult a wiring diagram or workshop manual. The first thing to check is the fluid level. Stock stall torque converter with an Allison hub/weld reinforced (don't need a higher stall - this engine produces a lot of grunt at low rpm's) Also installing a Tru-Cool 40k transmission cooler with -6AN lines (eliminating the stock 2nd cooler and radiator cooler - I live in Florida, thus not cold enough to run through radiator). With this kit you can set the shifting characteristics of your 4L60E to one of two levels of performance, Heavy Duty or Street. 3 (LMF) engine This PI was superseded to update warranty information section. It is a 4L60E transmission and began experiencing a hard 1-2 shift at about 114K miles. I could take my wife's Dodge Caravan (I. What the P0741 code means. The torque converter is a single stage, three element unit, consisting of a pump, stator, and turbine, with the addition of a converter clutch to provide direct drive from the engine to the transmission. An out of adjustment brake light switch can also cause the torque converter to no lock up sometimes. My old '89 blazer made a similar noise but it was a-lot quieter and more constant where this one is more random, loud and spaced out. The engine and transmission must be supported during this operation. com is the premier online automotive parts store that offers you the safest online transaction. I don't know of a dealership anywhere in the US that has the equipment to recondition a torque converter. 700r4 Rebuild Tips, Tricks & Tools Back to VetteStuff Index Background: After I had my car for about 20 years it started leaking transmission fluid from the hole in the torque converter cover. torque converter. Visit the post for more. 4 quarts of fluid. com FREE DELIVERY possible on eligible purchases. Torque converter shudder is a very common issue with the A604 transmission. I was out towing with the subruban last night, everything went great. Right away, the torque converter can be ruled out (when the torque converter makes a noise, it does so with the transmission in gear and the drive wheels stationary). The 2002 Chevrolet Trailblazer has 44 problems reported for transmission failure (4l60e). Variations of the TH350 family. This transmission introduced a new set of 5-pinion planetary gears as well as a newly improved and stronger output shaft. i mated the trans to the Straight 8 adapter with flywheel already bolted up to the motor using the provided spacer. Also, Lubegard Shudder Fix will at least fix this for awhile. 187" it is OK to bolt up the torque converter. These converters allow the automatic transmission to come to a stop while still in gear, and to move forward when the brakes are released. Ya, I've ruled out the any transmission issue. Get the best deals on Car & Truck Torque Converters for GMC when you shop the largest New Listing 2200-2500 HIGH STALL 700R4 4L60E Torque Converter 298mm Chevy. I have a 1998 chevy truck Z71 with a 5. Find B&M Tork Master Torque Converters 40427 and get Free Shipping on Orders Over $99 at Summit Racing! Tork Master converters are B&M's most affordable performance torque converters. I have also noticed, the best way I can describe it, a whining/rubbing noise. torque converter. I have had zero issues with my converter. Spin the torque converter at the same time to help align the input shaft and stator splines. The torque converter housing is mechanically attached to the engine's crankshaft causing the pump to operate whenever the engine is running. True to Ricks' Camaro commitment to quality, all our Torque Converters come with a 36 month warranty. Warranty & Returns: There is a 1 YEAR limited warranty offered. Answer: How many miles on the truck? 166,000 miles. The following page was inspired by an original Hotrodders forum thread by jakeshoe, titled TH350 Rebuild Tech. We specialize in high performance / heavy duty converters that can be built to your specifications. Pilots are sized using Old hubs are replaced with new. Let's face it the transmissions in our vehicles aren't know for there quality and long life. Roll down the window and use your ears to listen to the sounds that are coming up from the transmission. Find B&M Tork Master Torque Converters 40427 and get Free Shipping on Orders Over $99 at Summit Racing! Tork Master converters are B&M's most affordable performance torque converters. Free shipping on orders over $50 always makes purchasing a little easier. According to Cars Direct, these symptoms may occur separately or simultaneously. The only tools needed are a 10mm socket, ratchet and short extension to removed the trans pan. Chevy High Performance magazine has a great article about torque converters that beginners and non-beginners will find interesting. There IS a plug to remove the torque converter bolts. The Diagnosis. Top 30 Common 4L60E Transmission Problems and Repair. Replacement of all worn or damaged hubs; 100% new Friction Linings; 100% new Bearings; All Pistons machined to exceed factory trueness specs; Outer Diameter trimmed to assist with better balance and. If gap distance is between. The bolt holes are designed for 7/16 bolts, a 1/2 inch bolt will actually fit. The torque converter transfers the power from the engine into the transmission and works like a fluid coupling using transmission fluid. I have seen some posts about this, and they seem to point to the torque converter. The torque converter is the unit that transfers the force from the engine to the transmission gears in a smooth way. 4L60E, every gear acts like neutral?? then your torque converter blew. Get the job done with the right part, at the right price. The cutaway below shows how everything is connected inside the torque converter. Fast shipping on heavy duty 700R4, 4L60E, 4L65E, 4L70E transmission torque converters. enough to make it lock and unlock right instead of chattering, and not mess with anything else. If the torque converter can’t hold the level of the fluid, it can’t transfer the power effectively. Re: Torque Converter Chattering/Shuddering Fixed! Thats the thing, I wasn't wanting to make a difference in the way the tranny behaves. U joints are ok, I suspect torque converter because the rpms drop instantly from 1500 to 1000 when I hear the noise. Top 30 Common 4L60E Transmission Problems and Repair. Upon switching to the scan tool data list, the TCC Duty Cycle is at maximum but TCC Slip is high and there is no rpm drop when TCC is commanded on. Torque converter shudder in 4th while lockup is engaged; problem goes away when the brake pedal is pressed slightly to unlock converter. For comparison, the hi-po 4l60e's I bought locally were $2000CAN. You can see that article on this page, below. All of the param­eters that control fluid pressures, shift point RPM and TCC (Torque Converter Clutch) Iockup speed have been preprogramed into the PCM at the fac­tory. The torque converter will still spin as it is connected to the back of the crankshaft via the flexplate (flywheel). A failing torque converter may cause engine noise, shuddering, transmission slipping, or trouble shifting. The function of the torque converter is converting hydraulic pressure in the transmission to mechanical torque. Have a shop verify line pressure, and provided no valves in the TCC hydraulic circuit are worn, replace the torque converter. And is currently making a squeaking, squealing noise from the front pump/torque converter area. Looking for the GM part number for the flex plate / torque converter dust cover. Looking inside the input shaft, I found two small flakes of metal. Damaged torque converter seals. This will increase the stall speed approximately 1000 rpm over stock, to around 3000-3200 rpm. The fins that make up the pump of the torque converter are attached to the housing, so they also turn at the same speed as the engine. 6L80E Transmission, 6l80e Welcome to the official 6l80e transmission website. All the stories I've read of folks. I have done hours of youtube/google searching and it seems to point to a cracked flex plate?. Various components within the torque converter use vanes, similar to a turbine, to act on the transmission fluid within the unit to create a fluid coupling, as well as provide the fluid pressure that. The transmission has replaced due to slippage and the torque converter was replaced at the same time, this didn't fix the rattle either so it. Shouldn't cost over 1500$ to repair if it is a transmission. DO NOT PULL THE STARTER!!!! The plug is hidden but is right where you'd figure it would be. 00 - Includes New 6L80E Transmission, Free Shipping (within mainland USA), 3 Year Nationwide Warranty, HD Torque Converter. The bolt holes are designed for 7/16 bolts, a 1/2 inch bolt will actually fit. The converter shares fluid with the transmission. Torque converters are a type of fluid coupling which transfers rotating power from a prime mover, like an internal combustion engine, to a rotating driven load. Chevy High Performance magazine has a great article about torque converters that beginners and non-beginners will find interesting. Of course, the leak could be somewhere else, so check for a fluid leak before replacing the torque converter. Odd sounds. This allows the transmission to operate more efficiently at higher RPM. With this kit you can set the shifting characteristics of your 4L60E to one of two levels of performance, Heavy Duty or Street. I keep getting a vibration, almost feels like hitting a 'rumble strip' on the highway. The engine and transmission must be supported during this operation. The solenoid turned the clutch on and off while the check ball assisted in a controlled apply of the clutch (Fig. In some cases, a torque converter can make an odd noise, similar to a whirring or clinking sound, when it starts to fail. The problem is the torque converter lock-up clutch opens (disengages) momentarily and randomly at steady speed (when above the normal lock-up speed of 45 MPH) on both level and downhill roads and almost always at the bottom of a downhill slope, but I have never noticed this problem on uphill roads. This list is merely a guide to the possible solutions. ” It is now properly seated. If the torque converter fails for any reason that is a fault of re-manufacturing process, another remanufactured unit will be sent. HUGHES PERFORMANCE TORQUE CONVERTER INSTALLATION INSTRUCTIONS 9/19/16 For over 45 years our goal has been to provide racers and enthusiasts with reliably engineered, U. Torque converter shudder in 4th while lockup is engaged; problem goes away when the brake pedal is pressed slightly to unlock converter. I was out towing with the subruban last night, everything went great. I noticed that it had a rattle to it at idle only in park or neutral, but not in drive or reverse. The converter clutch is applied and released electronically, and changes the direction of fluid flow in the converter as in most typical. Sizing Guidelines. > >Thanks in advance > >Bruce. Both transmissions aren't without fault however, so let's look at some of the problems that you might experience. Whereas, the 4L60 (not 4L60E) transmission is. 81″ torque converter) of transmission fluid, Top 30 Common 4L60E Transmission Problems and Repair Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. com FREE DELIVERY possible on eligible purchases. From the right counter-clockwise, you can see the cover (which bolts to the flexplate), the impeller pump (which slides over the transmission input shaft) the turbine, and the stator. Electrical hookups, speed sensor hookups, calibration, and converter stall are the main differences. As the assembly contains a part with a lot of clutches, when it goes bad, a rattling noise can be heard, even while the vehicle is in park. Torque converter shudder in 4th while lockup is engaged; problem goes away when the brake pedal is pressed slightly to unlock converter. Could be hairline cracks on the torque converter's pump drive hub. Torque converter shudder and diagnosis Many people describe this feeling as running over a rough spot in the road. For example, a 4T60 has a noise in neutral and while driving down the road. The problem is the torque converter lock-up clutch opens (disengages) momentarily and randomly at steady speed (when above the normal lock-up speed of 45 MPH) on both level and downhill roads and almost always at the bottom of a downhill slope, but I have never noticed this problem on uphill roads. Could be hairline cracks on the torque converter's pump drive hub. Used 4L60E transmissions are no doubt an enticing option because of they're affordability. Enter the vehicle and engage the ignition using the key. GM Replacement Transmissions Replacing a failed transmission can be very costly, which is why it's so important to find the best price you can for a replacement online. Answer B is correct. Over the past couple weeks I have noticed what I thought was an intermittent misfire. For example, a 4T60 has a noise in neutral and while driving down the road. Spin the torque converter at the same time to help align the input shaft and stator splines. What A Bad Torque Converter Sounds Like -- 700r4 Part 1 Most diagnostic information that I've seen tells you that torque converter noise is in neutral and park, but goes away when in gear. Since the entire converter (pump, turbine and stator) turns while the transmission is in park and neutral, a converter noise will go away in those ranges. Find B&M Tork Master Torque Converters 40427 and get Free Shipping on Orders Over $99 at Summit Racing! Tork Master converters are B&M's most affordable performance torque converters. Remove the belt and see if the noise goes away. I have had zero issues with my converter. Poor crankshaft surface geometry. 4T65E Transmission Info This page provides information about the GM THM-4T65E 4 speed Automatic fwd transmission/transaxle which is found in many 1997 and newer vehicles equipped with the 3800 engine and most 2000 and newer vehicles with the 3400 engine. The PWM valve bore for the torque converter lockup gets worn. 35006 4L60E 4L65E Transmission master rebuild kit 2002-03 4L60E transmission rebuild kit with high energy 3-4 clutches, 0. 99 Silverado 1500 4. 4 quarts (11. Although you may have some of these symptoms / problems with your 4L60E Transmission, the repair solution may differ. You could go to a shop with a GOOD computer and they couldpull codes from your tranny and it would tell you if indeed it is the switch. The only drawback to my initial design was that fuel economy suffered as well as. Sign up for the ProTorque newsletter and get the latest info on new products, sales, upcoming events, Team ProTorque successes, and more. The first thing to check is the fluid level. I could take my wife's Dodge Caravan (I. There is a hole, although small, that will allow you to access the torque converter bolts from under the truck. 6L80E Transmission, 6l80e Welcome to the official 6l80e transmission website. Re: torque converter vs. My transmission was rebuilt years ago. Needle roller Torrington bearings. December 09, 2014. I have recently had a crate motor and rebuilt transmission put in My 96 Corvette. I then drove the truck to Florida and Back from Maryland. I do have a Blackbear tune on the engine and transmission. This list is merely a guide to the possible solutions. Remove the belt and see if the noise goes away. For comparison, the hi-po 4l60e's I bought locally were $2000CAN. I have started noticing what I believe is called "shudder" from my tranny under. 6L80E Transmission, 6l80e Welcome to the official 6l80e transmission website. It's why a worn or faulty pump makes a whining noise in all gears, including park and neutral. My old '89 blazer made a similar noise but it was a-lot quieter and more constant where this one is more random, loud and spaced out. Or does the pump gears get shifted out of gear when the trans is put in park, so the pump gears aren't turning either? How hard is it to change the pump?. From the right counter-clockwise, you can see the cover (which bolts to the flexplate), the impeller pump (which slides over the transmission input shaft) the turbine, and the stator. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Whereas, the 4L60 (not 4L60E) transmission is. What may seem to be a transmission problem sometimes turns out to be only a torque converter problem, or both. Top 30 Common 4L60E Transmission Problems and Repair Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. If the noise is caused by a clogged filter, the needle will vibrate when the demand for pressure increases. Have a shop verify line pressure, and provided no valves in the TCC hydraulic circuit are worn, replace the torque converter. Its like its shifting into overdrive way too soon, like around 50 to 60 km/h, and then when I apply the gas a little to go faster, it starts to shutter, and I mean shutter, so I back off on the fuel and the noise goes away, then I step on the fuel to kick it down a gear and it down shifts and starts to pick up speed. 4L60e HELP I am new to this forum and seriously need help. Hell, most transmission shops don't. c) Riding the clutch pedal. This page is designed to assist you in identifying the torque converter in your transmission/vehicle. Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. I think they are from where the torque converter aligns along the input shaft. I'll PM you a contact on a budget 2200 4L60E converter, you'll have to call and see if they do the LS1 stuff. 8 cover which I understand is different. All the stories I've read of folks. Have a shop verify line pressure, and provided no valves in the TCC hydraulic circuit are worn, replace the torque converter. Maybe in the case of the one with the converter, a bunch of that sh1t from the converter wound up in the pan, but the trans still worked so all that old cruddy fluid crudded up the screen, it would drip off again if left to cool and then would clog itself up again. The pump will usually make a whining or whirling noise. Torque converters come from the factory welded up, so its pretty hard to get a look inside and see what makes them tick. I had the torque converter along with the torque tube bushings replaced when i changed my rear last year. It requires 8. From 350 turbo's to 700r4's to 4l60e's their internal parts are the same. All info I can find points to the torque converter and my mechanic says all his information points to the torque. PATC performance torque converters are manufactured in-house at our state of the art torque converter shop. 4 quarts (9. Torque converter shudder in 4th while lockup is engaged problem goes away when the brake pedal is pressed slightly to unlock converter. Could be either: torque converter, transmission, or CV joints Makes a loud noise when driving - should be towed. Get the best deals on Car & Truck Torque Converters for GMC when you shop the largest New Listing 2200-2500 HIGH STALL 700R4 4L60E Torque Converter 298mm Chevy. From the right counter-clockwise, you can see the cover (which bolts to the flexplate), the impeller pump (which slides over the transmission input shaft) the turbine, and the stator. Free shipping on orders over $50 always makes purchasing a little easier. Most of the time it is a stuck Torque Converter Clutch (TCC) solenoid, but this is not the only cause of this problem. A transmission can prompt a whining noise if the operating system has malfunctioned, the gears are not operating correctly or the transmission fluid needs to be changed. Common Problems with the Chevrolet Silverado 1500 4L60E Transmission (1993. I have narrowed it down to in the front near the tq converter inspection cover. 00 - Includes New 6L80E Transmission, Free Shipping (within mainland USA), 3 Year Nationwide Warranty, HD Torque Converter. I can not move the inner spindle by hand. Let's face it the transmissions in our vehicles aren't know for there quality and long life. After dealing with hundreds of 4L60e's at my shop, I needed a solution to teach my new techs about the 4L60e and find additional solutions to problems I couldn't understand. Also this is a torque converter noise not an exhaust. BTW, the shudder you are getting is the clutch in the torque converter. Pour at least 1 quart of clean ATF slowly into the torque converter. Torque Converter. From here the stock 4L60E can come out and be replaced by one of LSX Powertrain's built units along with its new TCE Torque Converter Engineering convertor and a set of Gazzard Brothers Racing bars up the back to help it 60ft with a guts load of gas! # streetbuilt # holleyefi # thesafewaytospray # audioimage # suncitysignsandgraphics. If the torque converter can’t hold the level of the fluid, it can’t transfer the power effectively. Hopefully one of you can help. Shouldn't cost over 1500$ to repair if it is a transmission. Unfortunately, this can lead people to think that they need to spend thousands of dollars to rebuild or replace their automatic transmission when the cost to replace a malfunctioning torque converter is considerably cheaper. So i got under there and bumped car over checking all bolts on fly wheel and torque converter, everything checks out. 8 cover which I understand is different. Re: torque converter vs. 64″ torque converter) or 11. Place the torque converter face down on a flat surface so that the input splines are facing up. Have a shop verify line pressure, and provided no valves in the TCC hydraulic circuit are worn, replace the torque converter. Doesn't the torque converter turn the pump? And wouldn't the pump still turn no matter what the trans is in? Because the torque coverter is always turning when the engine is running. itself, Or pour what fluid you can in then let it set over night cause it will seep back into the t. TORQUE CONVERTER CLUTCH STUCK OFF. Over the past couple weeks I have noticed what I thought was an intermittent misfire. Thanks for the input!. If you are rebuilding a 4L60E transmission, get a good manual, either a factory service manual, or the ATSG 4L60E guide. A Used 4L60E Transmission. (Page 1 of 3). Whining noise coming from 4L60E transmission. Hmm, I don't know how a high stall torque converter feels compared to a slipping transmission. It has slots cut in it that engage the tangs on the front pump of the transmission. com FREE DELIVERY possible on eligible purchases. Truck starts, shifts fine and then once it's warmed up, it stops shifting. 4l60e location: Get more info about converter torque accord honda trends in your area. Perform a stall test to check the torque converter's performance. The section below the Converter Part Number (Grey Band) is for information unique to the converter that may assist you in the correct idenification. 3? no inspection plate to get at them like older models. Recheck measurement. Stock stall torque converter with an Allison hub/weld reinforced (don't need a higher stall - this engine produces a lot of grunt at low rpm's) Also installing a Tru-Cool 40k transmission cooler with -6AN lines (eliminating the stock 2nd cooler and radiator cooler - I live in Florida, thus not cold enough to run through radiator). When you shift your car into drive, neutral, or reverse, if you're hearing loud clunking noises, it's possible the torque converter is the root of the trouble. Its a steady knocking sounds and is pretty loud. Higher temps makes it worse. Kinda thought it was just spark knock at first. Pink wire supplies power and my purple wire has power until I apply the brakes. itself, Or pour what fluid you can in then let it set over night cause it will seep back into the t. converter will turn by hand. Torque Converter ProblemS And How TO Fix Them. So much talk about pulleys, CAIs, exhaust, and tunes but some of the largest 1/4 mile gains are made with a higher stall torque converter and drag radials. The major differences are external. Very often the problem is a torque converter shudder. I don't know of a dealership anywhere in the US that has the equipment to recondition a torque converter. how do you install torque converter bolts with 4l60e trans bolted to engine on 1997 gmc sonoma 4. Using the VCM scanner under vehicle controls and functions, I can unlock and lock the torque converter(I have only confirmed a clicking noise going on and off inside the trans pan I would assume is the tcc). This is on my 2004 Silverado with the trucks original 4L60E, the torque converter was just recently rebuilt and a Transgo HD-2c kit was installed. Note: These is a core charge attached to this part. Torque Converter Clutch Circuit Performance or Stuck Off. I have had zero issues with my converter. 4 quarts (11. These need an upgrade when putting more than ~300 horsepower through a 4L60E: Input drum Overrun clutch hub Output shaft. What is the rated stall speed on a stock torque converter for a 2000 Pontiac Firebird 3800 V6 with a 4L60e transmission? catalytic converters if the noise sounds like it is coming from. The 2002 Chevrolet Trailblazer has 44 problems reported for transmission failure (4l60e). 64" torque converter) or 11. You would have to remove the converter to see this damage. Recommended Reading: Torque Converter Selection – CHP How It Works. In this article we are going to talk about the part of the automatic transmission called the torque converter. Recheck measurement. Right away, the torque converter can be ruled out (when the torque converter makes a noise, it does so with the transmission in gear and the drive wheels stationary). The clutch opens and then imm. enough to make it lock and unlock right instead of chattering, and not mess with anything else. This 4L60 transmission includes the bolt-on bell-housing to fit GM LS-Series engines (Pre-LS engines should use transmissions 555-603010 or 555-603015). Occasionally one fails internally. If the unit fails due to an improper placement, leaks, transmission faults and other issues etc. Place the torque converter face down on a flat surface so that the input splines are facing up. When the trans is warmed up it can lose pressure on that valve, causing it to unlock a lot. 99 Silverado 1500 4. 6L80E Transmission, 6l80e Welcome to the official 6l80e transmission website. Most torque converter shudders happen at about 45MPH. 5 qt's of oil you will only be able to change out around 5 because you can't drain the torque converter. Now my question is could the converter be my whole problem?? It only makes the knocking noise when the truck is at normal operating temperature and it gets quieter when in gear. we set the torque converter clutch (TCC) lockup at 40. If you do a lot of intown driving you are going to loose some mpg but you can expect that with all converters. They feature precision pump drive tubes and are pressure tested, fully balanced, and ready to install. The problem is the torque converter lock-up clutch opens (disengages) momentarily and randomly at steady speed (when above the normal lock-up speed of 45 MPH) on both level and downhill roads and almost always at the bottom of a downhill slope, but I have never noticed this problem on uphill roads. Also, Lubegard Shudder Fix will at least fix this for awhile. Torque converter shudder in 4th while lockup is engaged; problem goes away when the brake pedal is pressed slightly to unlock converter.