The 6l80 was thefirst fully electronically controlled heavy duty transmission designed by GM with unique features including direct clutch to clutch shifting and the use of an advanced computer controller built directly into the transmissions the valve body. Problem here is a worn TCC regulator valve that causes the converter clutch to slip. However, there are some things that you should look out for: The 6L80 is another transmission that does have a small list of well-documented problems. Im an active writer on this blog myself, as well as a novice car mechanic. 2007-2015 GMC Yukon Denali Richmond's bad-boy overdrive six-speed is a whole different beast from the rest of the six-speeds on the market. . 2010-2021 (K2XX) Chevrolet Silverado/GMC Sierra 1500 1999 Chevrolet Suburban K2500 6.5L 4X4 TransTec Overhaul Kit Rubber Seals, Metal Clad Seals, Sealing Rings, Paper Gaskets The only thing you can do here is make sure that theres enough transmission fluid in the transmission. 0. While 200 degree temps arent the end of the world, the fluid will constantly stay in that range over a long duration. But there were also worrying issues with the models. . The transmission control module (TCM) is updated and recalibrated to the latest OEM calibration. Burnout after burnout, that thing has taken all sorts of abuse with NO problem whatsoever. The 4L60-E is a transmission thats good or bad, depending on the vehicle that you own. When you combine the limited space around the exhaust and lack of a drain plug, this makes dropping the transmission pan tough on trucks. Average repair cost is $2,580 at 54,500 miles. Also featuring a torque converter, the transmissions come with a complete master overhaul kit with new gaskets, seals, rings, and pistons. 2006-2009 Cadillac XLR-V Chevy Tahoe Transmissions: Overview, Problems, Fluids. 1999-2002 GMC K3500HD 5.7L 4X4 It takes ab. In this blog, we will try to shed some light on these issues and how you can fix them. Torque Rating: 664 ft lbs. This swap is pretty straightforward in any early Chevy, considering that TH400s were optional in most of them. Just so there's no confusion about which transmission we're referring to, the 4L60 was the first upgrade made to the venerable TH700-R4. . My name is Stefan; Im the owner and lead writer at TheDriverAdviser.com. This has a clean title and is priced to sell. Common Chevy Avalanche Transmission Problems. The 3-4 clutch upgrade was added in after the fact and the included steels . 2009-2013 Cadillac CTS-V (6L90) Find many great new & used options and get the best deals for For Chevy Avalanche 1500/2500 2002-2006 Automatic Transmission Oil Cooler Black at the best online prices at eBay! The Chevrolet Avalanche is a four-door, five or six-passenger pickup truck sharing GM's long-wheelbase chassis used on the Chevrolet Suburban and Cadillac Escalade EXT.Breaking with a long-standing tradition, the Avalanche was unavailable as a GMC, but only as a Chevrolet.Production of the Avalanche started in July 2001 [citation needed] and ended April 2013, [citation needed] producing two . Core must NOT have any hard part, or case damage, otherwise there will be additional charges deducted from your core deposit for the damaged hard part(s) or case. More can always be said and learned about any topic as vast as transmission swappinga whole book could be written on this subjectbut we'll try to condense all the important information and pass it along to you as it becomes available. As a general rule of thumb, Chevrolet advises you to change the transmission fluid of your Avalanche every 45,000 miles. Problems / Chevrolet / Avalanche / 2010; 2010 Chevrolet Avalanche Problems. OPT 4L60E Stage 1 Valve Body Upgrade Package 4L65E 4L70E Transmission Shift Kit Servo Pistons Plate. Buy a new or remanufactured engine, transmission, or transfer case and we'll ship it directly to your front door.for FREE! Pump Gears Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. 132 N. Howard St, Akron, OH 44308 The difference between the 4L60-E and the 4L80-E is that the 4L80-E is designed to carry heavier loads and, therefore, larger. I had two mechanics from General Motors and an independent transmission specialist tell me that Avalanches built prior to 2007 had a congenital type of transmission defect. 2012-2015 Chevrolet Camaro ZL1 (6L90) 1999-2000 GMC K2500 5.7L 4X4 Many times, people will tune out the DOD and reduce the converter lockup in certain gears while improving pressures to prevent the TCC from wearing out. 5 Koleene Forward Steels Msg. The transmission fluid chart below shows that even a 25 degree drop from 200 will add another 40,000 miles of use out of our transmission. The 4L80-E Transconversion kit features its own computer with software that is custom-tuned to your vehicle's specifications, providing the proper shift points, shift quality, and lockup torque converter function. When it comes to upgrading your 6l80e, besides adding better internals and hard parts, there are a few simple upgrades that you can make to keep transmission temps down. WARRANTY DOES NOT COVER ANY OF THE FOLLOWING: This product is made of high-quality materials to serve you for years to come. The 4L85 was never used in a pick up truck. We can't answer your question directly, but we may address it in a future story, so stayed tuned. As an Amazon Associate we earn from qualifying purchases. life you can get out of a truck. Updated Sonnax No Walk Case Bushing Read on! GM had a good idea when it installed lockup torque converters in the overdrive automatics. This is a Chevrolet Avalanche truck, with a swapped out 6.2-liter engine that takes it to a whole new level. Vehicle not moving into, not releasing or popping out of the park position. Sales & Info: 330-434-5216 This cookie is set by GDPR Cookie Consent plugin. The problem here is 3/4th gear clutch pack failure. RWD or 4WD. WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. 2023 Shift Rite Transmissions | Designed by Cloud Nine Web, 4L80E 1999-2009 4X4 TRANSMISSION 5.7L 6.0L 6.5L 7.4L 8.1L, Updated TransGo Actuator Feed Limit Valve. Below weve outlined the most common ones. Complementing your Chevrolet Performance crate engine with a factory-engineered new or remanufactured performance transmission is a cinch with our comprehensive lineup of automatic transmissions, torque converters and installation kits. 1999-2004 Chevrolet Silverado 2500 6.0L 4X4 Chevy Avalanche 2022 Engine Performance. This cookie is set by GDPR Cookie Consent plugin. The Jegs 555-603025 transmission does not fit an '04 4.3 Silverado. Its overall dimensions are very close to either of those gearboxes, so the Richmond four-speed can be swapped into any car in which a '71-and-later Muncie or Super T-10 was optional. 3-Year Warranty. The Jegs 555-603025 transmission will fit the factory '03 Tahoe parts. Perhaps that's due to their weight and high initial cost. The 6l80e takes Dexron 6 (Dex VI) transmission fluid and has a 11 13 quart dry fill capacity including torque converter. New Solenoids If youre looking to replace the transmission of your Avalanche, then youre most likely also interested in knowing how much your particular transmission costs. Below weve outlined the specific transmissions that are used in the production span of the Avalanche, and weve attached prices that we found with online retailers: Also read: Chevy 1500 Transmissions & Chevy 2500/3500 Transmissions. Includes a datalogger that you plug into the OBD2 for us to analyze and optimize . Round], JEGS 81420 - Rolling Work Table [200 lb. FREE delivery Thu, Jan 12. Very Grateful Jegs did a good job even with this pandemic going on. first fully electronically controlled heavy duty transmission designed by GM with unique features including direct clutch to clutch shifting and the use of an advanced computer controller built directly into the transmissions the valve body. # mpn4713583226. A loud rattling sound when transmission engages reverse. The 6l80 normal operating temperature is in the 180-200 range when fully warmed up, and this based on the thermostat that prevents transmission fluid from running through the whole transmission cooling system in an effort to improve gas mileage. 2006-2014 Chevrolet Corvette 5 PINION FRONT PLANETARY & 5 PINION REAR PLANETARY (4L85E), SRT STAGE IV 4L85E Excellent replacement for your worn out or faulty part Designed to restore original performance and reliability. Suppose you want to make sure that the transmission of your Avalanche lasts as long as it can last, then youll need to take care of it. Below weve created an overview of the TFs that are recommended for each transmission: Hi! 4 Koleene Intermediate Steels No Problem Posts. Thank you! Standard Delivery. Overheating: overheating is another symptom that can sometimes occur (especially when towing heavy loads). Our experts may be able to assist you with the proper installation. r-t_12864. for Silverado, Tahoe, Yukon, Suburban, Sierra, H2, Avalanche and Other 2003, 2004, 2005 and 2006 Chevrolet GM Vehicles. This is a truck you need to know more about. You are now signed up to receive great E-Mail Offers! Necessary cookies are absolutely essential for the website to function properly. What Are the Different Types of Transmission Fluids? Master Rebuild Kit with all clutches and steels, name brand clutches such as Borg Warner or Raybestos The 2007 2013 Avalanche also has a 4L60-E automatic and a newly developed 6-speed 6L80 automatic transmission. 1999-2000 GMC K3500 7.4L 4X4 16-Speed: More Gears Than You Can Shake Three Sticks At, 2011 Chevy Silverado Project Blue Bomber Finale, A High-Performance Trans for Supercharged V-8s, A New Transmission for the ol Sedan Delivery. The Jegs 555-603025 transmission does not fit an '04 Colorado.. The rear mount on the Richmond six-speed will require a custom-fabricated crossmemberinstalled approximately 6 inches farther backor it's often possible to relocate the existing crossmember rearward. Designed using state-of-the-art technology and with customers in. 6 Direct Clutches and 6 Koleene Steels (1 Additional Direct Clutch using forward steels) The 4L60E 4x4 transmission fits 2001-Up GM LS-Series engines. Another difference is that the 4L80-E is a 4-speed, and the 6L80 is a 6-speed. Avalanche 5.3 V8 Flex Fuel. TQ], JEGS 603020 - 4L60E Performance Transmission for 2005 & Earlier GM LS Engines, Hughes Performance GM21LFUEL - Fuel Miser Torque Converter 1982-84 GM TH2004R/TH700R4, Hughes Performance GM22LXTM - XTM Series Tow Master Torque Converter 1985-98 4L60/TH700R4/4L60E, ATK Engines 7204-MB - Remanufactured GM 4L60E RWD Automatic Transmission, JEGS 60414 - Torque Converter for GM 4L80E/4L85E Mounted to an LS Series Engine [2900-3200 RPM Stall Speed], Hughes Performance 53LTOW - Tow Master Torque Converter 1992-On A.O.D.E./4R70W 4-Speed Overdrive, Hughes Performance 22-25L - Street Master Torque Converter 1985-98 GM TH700R4/4L60/4L60E, This Unit only works in vehicles with a 13 Pin wiring harness connector, The Transfer case adapter and shifter bracket are NOT included. First, a quick answer: The 2002 2006 Chevy Avalanche has a 4-speed 4L60-E automatic transmission and a 4-speed 4L80-e automatic transmission. Another common problem seen on most wheel drive cars and four-wheel-drive trucks is that moisture gets trapped on the spline and destroys both the trans output shaft as well as the transfer case 4-wheel drive unit splines. From the options with Chevy Avalanche mods to the distinct chassis setup, these big trucks are worth bragging about. This switch unlocks the converter if the engine is making less than 8 inches of manifold vacuum. Chevy 4L60E Transmission Alto Less Steel Rebuild Kit 1997-2003 8. If you happen to have a . The Transgo 4L60E-HD2 is meant for crisp muscle car or full race shift performance. Chevy Avalanche's and their transmissions normally have few problems. Chevrolet advises you to service the transmission every 45,000 miles. 5 PINION FRONT PLANETARY & 5 PINION REAR PLANETARY (4L85E) TSB 05-07-30-017B - Water contamination - Chevy Avalanche 4L60E. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Rental cars, loss of work, any labor costs, removal/reinstall fees, towing costs, inspection fees and any other incidental costs or damages which may be associated with product failure. The Jegs 555-603025 transmission will fit an '01 Sierra 4x4 with V8 engine. They are DYNO-tested with torque converter (the equivalent of 100 miles) to make sure the package stays in perfect operating condition. 1999-2000 Chevrolet K3500 5.7L 4X4 4L80E Power Tow Shift Correction Kit 2001-2006 GMC Sierra 2500HD 6.0L 4X4 Well, the 4L80E is slightly heavier and offers a less crawly First gear ratio (2.48:1) than the 4L60E (3.06:1). For the really technical stuff, I find writers with experience as a mechanic or who have studied mechanical engineering. Chevrolet Transmission Swap Guide - Swap Into Overdrive A Transmission Swapping Guide for Early Chevrolets. All performance transmissions offered by Gearstar are designed for optimum precision, durability, and custom-built by our master technicians from start to finish. The nonelectronic 4L60 and TH700-R4 are essentially the same transmissions as far as swapping is concerned, so we're going to lump them both into the same category. 4L60E 2007-2008 2WD TRANSMISSION 4.8L 5.3L. The Avalanche itself is one of Chevrolet's most unique pickup trucks, with its ability to break down the rear of the cab to increase the size of the cargo bed. Home Delivery. I rebuilt the 4L60 transmission in my 59 Chevy Truck for the first time, on my own, three years ago using every Sonnax component available for my application. A cracked drum that has failed can create 3-5-Reverse clutch problems. There is much custom fabrication work involved in a six-speed swap as well as some additional high-performance hardware that you'll need, including purchasing or fabricating a custom mounting bracket and modifying the stock clutch pedal for the hydraulic-clutch master cylinder, modifying or fabricating a complete transmission crossmember, relocating the shifter hole in the floor of the car, shortening the driveshaft and possibly changing its yoke, and even installing a small-diameter starter and having custom headers built for clearance. 6 L (service fill), 9,9 L (Overhaul capacity), 11,7 L (dry fill) Check 12 months, Change 50000 miles. 1999-2000 Chevrolet K2500 7.4L 4X4 320-hp V-8. We ensure that all the current updates are performed, during reassembly each unit is ran through tests to ensure correct assembly and quality. $ 2,049.99. Customer reviews and photos may be available to help you make the right purchase decision! 1999 Chevrolet Tahoe K2500 6.5L 4X4 The one-piece case 4L60E was produced from 1993 through 1997. This truck was babied. Avalanche 1500 2009-2012; Camaro V8 naturally . 4 Koleene Intermediate Steels, SRT STAGE II 4L80E According to repairpal.com, Chevy Avalanches end up at the garage for an unexpected visit about 0.46 times per year. $ 2,674.99. . Material: Cast Aluminum. 2001-2003 Chevrolet Silverado 1500HD 6.0L 4X4 Below is an example of a factory truck pan that does not have a drain plug. Series : 4WD Crew Cab LS Pickup. Is a Transmission Tune up Necessary for My Cars Performance? Your risk from exposure to these chemicals varies, depending on how often you do this type of work. The most common simple DIY 6l80e upgrades that can be done with simple hand tools in your driveway without removing the transmission to tear apart are definitely transmission coolers, pans, and thermostat bypass. For 2003-2006 and early style 2007 Chevy/GMC clusters, we recommend a full rebuild on our . Promo Code discounts cannot be combined on orders with price matched items. Move over Silverado, because the Chevy Avalanche brings both form and function to the road. The Avalanche appeared on the Scene for the 2002 model year - there were no 2001's. The very first Avalanches suffered from a transmission problem called a Shell. Click HERE for a list of rules and exclusions. 2004 Chevy Avalanche. The Richmond gearboxes are unique in that they can be ordered with a variety of gear ratios to fit different driving styles. 2008-2009 Hummer H2 Capacity), JEGS W2450 - LED Flashlight [Super Bright], JEGS 65010 - Fender Cover with Pocket [23 in. Came to my door tested and ready to go all but full of fluid installed topped off fluid and went straight to work 9hr away with a 7x12 inclosed trailer 15000 miles now with 99% of them being hooked to the trailer never a stumble slip nothing absolutely perfect will definitely be buying another for for my other truck, Installed one in my Tahoe shifts perfect nice firm shifts will definitely be using these from now on ordered it on Sunday arrived on my porch Wednesday, Took a trip from Virginia to Michigan, it was night and day. I'm Stefan, the owner and lead writer at TheDriverAdviser.com!Whether youre planning on buying a new car or you want to know the detailed specs of your current one we got you covered! Now that you know what kind of problems the transmissions have, its also important to consider the main differences (and which one is therefore considered better or worse). DIY: Finally! The next easy swap involves replacing either a PG or TH350 with the bigger, stronger, and heavier TH400. If you're replacing a TH350 trans, you can relocate the factory crossmember mounting holes rearward approximately 1 inches or swap in an original TH400 crossmember. Transmission also plays a part, with 6-speed autos performing better than 4-speeds. Because of its ability to be used on a number of different platforms, the 6l80e transmission was found in a many GM vehicles from model years 2006 2021 ranging from sports cars to full size pick up trucks. Whether your performance passion is street style, road racing, off road or anything in between, Chevrolet Performance has the upgrades to take your Corvette, Camaro, truck or SUV to the next level. ACT manufacturers a special High Pressure Valve (PN 17008) that allows the trans to see maximum oil pressure with a non-lockup-style converter, and they don't recommend combining it with a lockup converter. GMC & Chevy Van 1994-2013; Yukon 1993-2013; This rebuild kit fits the following years: 1993, 1994, 1995, . The conversion to older vehicles will require the use of a transmission controller, crankshaft spacer, special cross-member, driveshaft changes, and other modifications (these parts are not included with the transmission). And the same shifter can be used to control either a TH350 or TH400. Ramp Up from OE Wide Ratio to Race-Ready Close Ratio, Upgraded Housing Eliminates 3-4 Clutch Failure. Drivetrain : 4WD. The Jegs 555-603025 transmission will only work in an '03 Silverado if it has a 13-pin connector. Obviously the newer engines are on the higher end of that range, and older are lower. 1999-2004 Hummer H1 6.5L 4X4, SRT STAGE I 4L80E What most people wouldn't think of is a Chevy Avalanche, but you should probably start. Came packaged good and Performs better!! VIN : 3GNVKEE02AG286623. Remanufactured. One common 6l80 issue due to design flaws include premature clutch failure. For those that do know that this spot is designated for a GM transmission temperature gauge, they might not realize that all full size GM vehicles (Silverado, Suburban, Tahoe, Sierra, Yukon, Avalanche, or Denali) already have a transmission temperature sensor . IF a 6l80 is ever taken apart for a rebuild, its generally best practice to consider replacing the drum with a stronger aftermarket unit. 2001-2006 Chevrolet Suburban 2500 8.1L 4X4 October 2008. Chevrolet Performance Vehicle Upgrades. H x 27 in. The 4L80-E and the 6L80 have some differences. In this case were talking about a broken drive shell which will need to be replaced. You may have to switch to a dual-pattern flexplate if your car came equipped with the TH400 trans. 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). If you are looking for aftermarket pans that allow for more fluid capacity, there are plenty of options. $144.75 $ 144. This website uses cookies to improve your experience while you navigate through the website. x 16 in. There are many different version of this transmission model available so please call for additional details. Avalanche 2002-2008; Blazer 1993-2005; Bravada 1993-2004; Brougham 1994-1997; Camaro 1994-2002; . Some 6l80 builders may weld the cracks, but that isnt a permanent solution. Black, JEGS 65014 - Protective Mechanics Seat Cover [52 in. 1999-2002 Chevrolet K3500HD 5.7L 4X4 Had to remember that I wasn't in a race car lol. All of GM's overdrive automatics use a cable connected to the throttle that tells the transmission when to shift. 2014-2017 Holden VF Commodore / Chevrolet SS Free shipping for many products! 2006 Holden VE Commodore/2008 Pontiac G8 Below is a detailed video of performing a transmission fluid change on a 6l80e in a Chevy Silverado. Transmission & Drivetrain; Popular Performance Brands. The image below shows the difference between the Tru Cool 40k and factory external cooler. vehicle weights. The 6l80 was the. The purpose of the lockup is to couple the engine directly to the transmission's output shaft in Fourth gear for the best fuel economy. A TH350/PG slip-yoke will work with the TH700-R4 trans, but a TH400's will not. This T56 is a direct replacement for the weakling T5 trans that came stock in third-gen Camaros. The Richmond Street Five-Speed is not an overdrive trans and can only be ordered with a 1:1 Fifth-gear ratio. Free Shipping On Powertrain Parts! '99 issue in a story titled "Hard Hittin' Shiftin'" on page 66. . When people hear used Chevy trucks, they probably think of a Silverado from the 90s that's been weathered and worn-down from years of hard work.The scuffs and scratches in the bed and on the tailgate a testament to the trucks fortitude. Before any upgrades, addons, and/or core charges, Before any upgrades, addons, and/or core charges. Youll need new pistons and a clutch pack to replace this. Here is the complete list of 6l80e equipped cars and trucks. For either swap, the driveshaft will have to be shortened by as much as 3 inches. This swap requires minimal fabrication skills and very little in the way of custom modifications. Sonnax saves lives with these HP parts. On the later versions, hydramatic put an O-ring on the shaft to address this concern. L x 1 in. If your vehicle ever came equipped stock with a TH400 trans, then you could pick up a crossmember from the scrap yard or a source like Classic Industries, which would allow the TH400 to bolt right into your stock frame. YOUR PRODUCTS EFFING RULE!!! 1999 GMC Yukon K2500 6.5L 4X4 Condition : Excellent. 5.3 CRATE ENGINE WITH 400 HP. The transmission can also be used in an older vehicle when converting to an electronically controlled overdrive transmission. It was also adopted in Rolls Royce and Bentley vehicles. Problems with shifting into 3rd gear whereas the car acts like its in neutral. The fluid stays in the transmission until the thermostat opens up then will flow to the cooler. 1999-2000 GMC K3500 6.5L 4X4 ], JEGS W234C - Heavy Duty Scraper 12 in. Find 2007 CHEVROLET AVALANCHE Parts and Accessories and get Free Shipping on Orders Over $99 at Summit Racing! Our Process: Chevy Avalanche 2500 2004, High Performance Automatic Transmission Rebuild Kit by Transtar Industries. Transmission builders who specialize in the 6l80 will often install an updated version of the 1-2-3-4 piston and housing to prevent future problems. Options: AT, 5.3L, 4x4 Change Options. Improved throttle response coupled with more power makes driving more enjoyable. The result of such invested design is a noticeably flexible unit with pristine Best Chevy Avalanche Stereo Upgrade hello-res . If you happen to have a Silverado 1500 with a bad transmission, then you can expect the following symptoms: The 4L80-E is not a transmission with many problems. Wash hands after handling. It includes a magnetic. 4 Koleene Intermediate Steels 2000-2007 Chevrolet Suburban 2500 6.0L 4X4 This GM 4L60-E transmission offers superior performance for 4x4 trucks. Squeeze Bottle, JEGS 603024 - 4L65E Performance Transmission for 2007-2008 Chevy 4WD Truck, JEGS 603234 - 4L70E Performance Transmission for Late Model GM LS 4WD Truck, TCI 371016 - StreetFighter Transmission GM 2000-2006 4L60E, JEGS 603052 - 4L80E Performance Transmission for 1991-1996 Chevy 4WD Truck, JEGS 60325 - 4L80E Performance Transmission for 1991-1996 Chevy 2WD Truck, TCI 311600 - Maximizer 4x4 Transmission GM TH350, Chevrolet Performance 19366637 - 6L80-E SuperMatic Six-Speed Automatic Transmission, JEGS 603042 - 4R75W Performance Transmission for Ford 2005-2008 4WD Truck, TCI 371402 - Maximizer 4x4 Transmission 1984-93 GM TH700R4 (30-spline), TCI 371400 - Maximizer 4x4 Transmission 1984-93 GM TH700R4 (30-spline), JEGS 60300 - TH350 Performance Transmission 2WD, TCI 311090 - StreetFighter Transmission Chevy 1969-1979 GM TH350, Hughes Performance GM22FUEL - Fuel Miser Torque Converter 4L60E/4L60E/4L65E (TH700R4) 4-Speed Overdrive, Hughes Performance GM22ELTOW - Tow Master Torque Converter 1999-Newer GM 4L60E, ATK Engines 1297-MB - Remanufactured GM 4L60E AWD/4WD Automatic Transmission, JEGS 60467 - Torque Converter for 4L60E, 4L65E, 4L75E GM LS-Based Transmissions, JEGS 5300 - High-Performance LS Crate Engine [GM LS 5.3L LM7 460 HP / 425 ft.-lbs. This is the easiest way to identify it. 4L60-E. 2001-2003 GMC Sierra 1500HD 6.0L 4X4 and transmission will set me back around 10,000. dollars and I hope to try to get another 10 to 15. Matt Dinelli and his team at Attitude Performance in Arlington Heights, Illinois . Designed specifically for each vehicle, these parts feature seamless integration and are rigorously tested . As always, start with adding a few quarts of atf when you have the new filter and pan back on and shift through the gears to get fluid moving and warm, then keep checking and added until you have the right level. To combat transmission temp issues, installing an aftermarket transmission cooler is certainly helpful along with a deeper, higher capacity transmission pan if you have the space to do so, and thermostat bypass. This is a strong shift kit that will deliver impressive performance. EBC Brakes; Flowmaster; K&N; Magnaflow; . Another benefit of these overdrive transmissions was that they featured a much deeper First-gear ratio, giving improved acceleration off the line. This was a beefed up version of the 4L80 and it was used in the Avalanche and Suburban with the 8.1 engine only where the Allison was too big to fit. The TH350 is a bolt-in replacement for a PG, making this swap a relatively straightforward one that requires no crossmember or driveshaft modifications. The 2005 Chevrolet Avalanche has 13 problems reported for transmission failure. 4L80E 1999-2009 4X4 TRANSMISSION 5.7L 6.0L 6.5L 7.4L 8.1L. One such swap involves installing a Richmond four-, five-, or even six-speed manual transmission. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Since the 6L80 transmission is used in all GM 2wd and 44 cars and trucks, it was bound to have problems with various platforms. 1999 Chevrolet Suburban K2500 5.7L 4X4 Most 6l80e transmission filters and kits which include a new pan gasket, filter, and filter seal cost around $20 $30. Parts: 330-434-0104 Truth is, the TH200-4R is just as capable and actually easier to swap in than a TH700-R4. When this happens, it sends TCC clutch material through the transmission cooling system and into the transmission which ultimately leads to failure and the need for a rebuild. Edmunds has 927 Used Chevrolet Avalanches for sale near you, including a 2006 Avalanche 1500 LS Pickup and a 2012 Avalanche LTZ Pickup ranging in price from $5,995 to $29,990. Any and all shipping costs, including freight damage claims. If youre familiar with 6l80 equipped full size trucks such as the Silverado, Sierra, TAhoe, etc, then you know that the converter is a common source of failure. Depending on the age of your engine, the factory mile per gallon specs ranged from 13-17mpg for city and 16-22mpg for highway driving. OE quality at an affordable price Direct replacement. If you do so, you can expect the transmission to last at least 200,000 miles, with a maximum of 300,000 miles depending on the conditions. Dealer wanted to replace the transmission, but GM insisted that they rebuild/repair it - which they finished after about 10 days. Availability: The 6L80 denotes that the transmission is a 6-Speed, Longitudinally mounted, and for 8000 lbs. Newer to the transmission world is its use of direct clutch-to-clutch shifting and the total lack of bands.
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