Due to issues with the original manufacturing process, cracks and other damage can cause a catastrophic failure of the 4-5-6 clutch pump and intermediate shaft. Due to the issues with body cladding, weak transmissions, and the fact they are roughly 20 years old make the 2001-2002 Chevrolet Avalanches the worst years of the truck. Customer reviews and photos may be available to help you make the right purchase decision! The 6l80 was the. The Jegs 555-603025 transmission does not fit an '04 Colorado.. Bonded Pistons This kit comes with all the parts you need to make your transmission run like a Monster. Engine : 5.3L 320.0hp. It's ironic that even though both of these strong overdrive transmissions come stock in all of GM's automatic-equipped new cars and trucks, not many of them are finding their way into early performance musclecars. Call (or text) 9166472556 / 9168894299 for quick answers to your questions about this Chevrolet Avalanche LS 1500 4dr Crew Cab 4WD SB. Mega Monster Transmissions. The TH350 is a bolt-in replacement for a PG, making this swap a relatively straightforward one that requires no crossmember or driveshaft modifications. Thank you! 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. This transmission shifts like a dream. JEGS reserve the right to determine the eligibility of all price matched items.Cannot be combined with promo code offers. This is one of those stories that you'll want to add to your ever-expanding files of Bow Tie knowledge. Roughly $3,000 later and after some very inventive engineering, he was rowing a T56 six-speed in his '69 Camaro (see "Get Six, Pt. Upgrade your transmission with this finned aluminum pan and increase fluid capacity, improve fluid cooling and ease future maintenance jobs. And the same shifter can be used to control either a TH350 or TH400. The more modern pan gasket on the 6l80 is reusable, but depending on its condition, it might be best to replace it when dropping the pan. Aux Transmission Cooler Upgrade & Relocation. freq may vary. Give your Avalanche the forceful and quiet sto pping power it needs with our durable brakes, r otors and brake pads. This swap requires minimal fabrication skills and very little in the way of custom modifications. Buy 4L60E Transmission Rebuild Kit Heavy Duty Master Kit with 3-4 Power-pack at Amazon. Promo Code discounts cannot be combined on orders with price matched items. However, consumer experiences tell us that doing this every 30,000 miles isnt a bad idea if you want to keep the transmission in the best condition possible. Good transmission fluid will have a reddish color to it, but if it looks dark, almost brown and has a slight burnt smell to it, then you are very past due on your maintenance. Chevy Avalanche Transmissions: Overview, Problems, Fluids Starting in the early '80s, GM began installing four-speed automatic overdrive transmissions to improve gas mileage. 1999-2004 Chevrolet Silverado 2500 6.0L 4X4 It was also adopted in Rolls Royce and Bentley vehicles. 1999-2000 Chevrolet K3500 6.5L 4X4 Sales & Info: 330-434-5216 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. Chevrolet Avalanche Transmission Problems - Page 2 W, JEGS 80603 - Razor Scraper with Safety Cap, OEMTOOLS 24661 - 20V 3/8" Drive Li-Ion Cordless Impact Wrench, JEGS 28069 - Heavy-Duty Friction Modifier [16 oz. $76.19. JEGS will validate the price match before the items are shipped. This also acts as a safety to ensure that the converter will unlock before the vehicle comes to a stop. 4L60E One Piece Case Identification: 93-97. 1999-2000 Chevrolet K2500 7.4L 4X4 Our experts may be able to assist you with the proper installation. Purchase the 4L60E transmission from JEGS High Performance today! In 1996, a bolt-on bell housing was phased in (along with a six-bolt tailhousing) for S-10 Trucks and S-10 . PRICE: 649.99. . Is a Transmission Tune up Necessary for My Cars Performance? 1999 GMC Yukon K2500 5.7L 4X4 Developed in-house by General Motors, the Hydra-Matic 6L80 is part of the 6LXX family of fuel-saving, electronically controlled six-speed automatic transmissions that succeeded the 5LXX family. Transmission & Drivetrain; Popular Performance Brands. Dropped trans in and immediately left for 1800 mile vacation no trouble at all. Core information: Buyer is required to pay a core deposit UP FRONT in addition to the transmission price. Original oil. Reman Pump with New Rotor Vane Slide and Stator Support, loc_en_US, sid_10001_10001_3126190, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)], loc_en_US, sid_10001_10001_3126190, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]. . Today, we will talk about the two generations of the Chevy Avalanche and give you an overview of what transmissions are actually used in this vehicle. When you make a better shell, the splines just rips off the end. 2010-present Chevrolet Express 2500-3500 (6L90-E) Why You Should Add a GM Transmission Temperature Gauge to a Chevrolet FREE delivery Thu, Jan 12. 1999-2002 GMC K3500HD 7.4L 4X4 4L60E 2007-2008 2WD TRANSMISSION 4.8L 5.3L. By far the most common overdrive swap has been replacing a three-speed automatic trans with the popular 4L60/TH700-R4 unit. The Jegs 555-603025 transmission will fit the factory '03 Tahoe parts. 2001-2006 Chevrolet Silverado 2500HD 6.0L 4X4 Buy your 4L60E 4x4 performance transmission online. SKU # 327358. The tailshaft housing to look for if you're replacing an original TH400 trans came stock on mid-'80s police cars (Caprice) and the early Impala SS. But there were also worrying issues with the models. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm. Sonnax HD Forward Clutch Hub 1999 GMC Suburban K2500 5.7L 4X4 Well, the 4L80E is slightly heavier and offers a less crawly First gear ratio (2.48:1) than the 4L60E (3.06:1). The 4L60-E can carry a Gross Vehicle Weight of 6,000 pounds, whereas the 4L80-E can carry a GVW of 8,000 pounds. 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 cookie is set by GDPR Cookie Consent plugin. Parts: 330-434-0104 Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. 2005 Chevy Avalanche. 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. New 2022 Chevy Avalanche Review, Prices, Specs & Release Date BILLET INPUT SHAFT 7. This truck was babied. Sonnax is an industry leader in the cutting edge design, manufacture and distribution of the highest quality products to the automotive aftermarket, commercial vehicle industries, and industrial sectors utilizing drivetrain technology. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". 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. We had a '07 Avalanche. Details: Offer ONLY valid on purchase of engines, transmissions, and transfer cases. Most aftermarket deep 6l80 pans are made from a heavy duty cast aluminum, and typically provide an extra 2 quarts of fluid capacity or retain the factory fluid levels but provide added strength. 2007-2015 Cadillac Escalade If you're deadset on a first-generation Avalanche and are into the body cladding, we'd recommend going for a 2003-2005 model. The first difference is that the 4L80-E has a Gross Vehicle Weight of 8,000 pounds, whereas the 6L80 maxes out at 8,600 pounds. By clicking Accept, you consent to the use of ALL the cookies. IF a 6l80 is ever taken apart for a rebuild, its generally best practice to consider replacing the drum with a stronger aftermarket unit. Moisture gets trapped on the spline which destroys the trans output shaft and transfer case 4-wheel drive unit splines. The six-speed Richmond box is also available with either a 10- or 26-spline input shaft, and is an easy swap for early 10-spline-equipped Muncie and T-10 cars because its overall case length is equal to a Muncie or T-10. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Any product used in an improper application, abused or not used in connection with the proper parts. 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. OEM #15182153; With tachometer; Without transmission fluid temperature gauge; Instrument clusters are pre-programmed before shipping and are only available pre-programmed. 2010-2015 Chevrolet Camaro 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! This tailshaft housing puts the mounting pad almost in line with the original TH400 pad and usually requires only slight elongation of the mounting holes to fit. 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. You may have to switch to a dual-pattern flexplate if your car came equipped with the TH400 trans. The 6L80 is also considered to be sturdier than the 4L80-E. Also read: What Transmission Is In A Chevy Trailblazer? $2,376. It is ideal for vehicles powered by 4.8, 5.3, LS1, or 6.0L engines producing up to 500 horsepower with a naturally aspirated system . We recommend mocking up your installation with the TH700-R4 trans in place and then taking measurements to determine how long your new driveshaft will need to be before having it cut. How to Repair a GM Instrument Cluster at Home - Speedometer and All Gauges. Chevrolet Avalanche - Wikipedia Chevrolet. . For either swap, the driveshaft will have to be shortened by as much as 3 inches. Any product that has been physically altered, improperly installed or maintained. You are now signed up to receive great E-Mail Offers! Transmission also plays a part, with 6-speed autos performing better than 4-speeds. National Powertrain Remanufactured Automatic Transmission Assembly T260061. Thanks JEG'S now I'm in love with my car. Our JEGS 4L60E transmission can handle up to 450 HP. The transmission can also be used in an older vehicle when converting to an electronically controlled overdrive transmission. GMC & Chevy Van 1994-2013; Yukon 1993-2013; This rebuild kit fits the following years: 1993, 1994, 1995, . 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. L x 1 in. Email: [emailprotected] Other common 6L80E transmission problems include: Early versions of the 6l80 had issues with developing cracks in the 1-2-3-4 piston, and sometimes within the piston itself. Thank you guys for supplying awesome quality performance parts. Before any upgrades, addons, and/or core charges. 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. 1999 GMC Yukon K2500 6.5L 4X4 Chevy Avalanche Transmission Problems & Cost | 4L60E | 4L80E |6L80 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. Our Process: All of our transmissions are fully remanufactured and are held to the highest and strictest industry standards. Youll need new pistons and a clutch pack to replace this. Top 10 Chevy Avalanche Mods & Upgrades - Best Custom Parts for Chevy Transmission Cooler Guide participates in the Amazon Associates program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Transmission Cooler Guide - Copyright 2022, Since the 6L80 transmission is used in all GM 2wd and 44 cars and trucks, it was bound to have problems with various platforms. It still runs and works well but I know. Pans that come factory on trucks and SUVs do not typically have a drain plug, where as on cars, you should have one towards the back of the pan. 5 Koleene Forward Steels The 4L80-E and the 6L80 have some differences. 6l80e Transmission Specs . According to carcomplaints.com, the worst years for the Chevy Avalanche include: 2002 Chevy Avalanche. 6 Direct Clutches and 6 Koleene Steels (1 Additional Direct Clutch using forward steels) However, that doesnt tell the whole story. All T56 transmissions installed in late-model cars use an electronic pickup to measure speed, but National's T56 is designed to use the standard speedo cable and T5 manual transmission's drive and driven gears. One part is a completely new aftermarket T56 transmission assembly from National Drivetrain. Some cars that used the 4L80E transmission include Chevrolet/GMC pickups, commercial vehicles, and vans. A loud rattling sound when transmission engages reverse. I have a 2006 Avalanche and the transmission went out at 73,000. . Borg Warner or Raybestos Front Band On this blog, weve already done extensive research on several Chevrolets and their transmissions. Starting in the 2006 model year, General Motors released the6L80E and 6L90Etransmissionsthat developed several issues that tend to frustrate transmission as well as body shop technicians servicing them globally. In this blog, we will try to shed some light on these issues and how you can fix them. 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. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Thank you! Well dive into specific transmission problems shortly, but they dont seem to be the thing that would trouble the Avalanche. Before any upgrades, addons, and/or core charges, Before any upgrades, addons, and/or core charges. 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. 1999 Chevrolet Tahoe K2500 6.5L 4X4 The cookie is used to store the user consent for the cookies in the category "Performance". These problems can be costly and even dangerous as you drive on the road. According to repairpal.com, Chevy Avalanches end up at the garage for an unexpected visit about 0.46 times per year. However, there are some elements you should look out for. Aerosol Can], JEGS W4034 - Funnel [18 in. The Chevy Avalanche has been rated as one of the Top Large Light Duty Pick Ups by JD . The Jegs 555-603025 transmission does not fit an '04 4.3 Silverado. But most aftermarket performance transmissions are valved to alleviate such problems, and running a supplemental trans oil cooler is always a good idea. One common 6l80 issue due to design flaws include premature clutch failure. Click HERE for a list of rules and exclusions. On the later versions, hydramatic put an O-ring on the shaft to address this concern. Below is a detailed video of performing a transmission fluid change on a 6l80e in a Chevy Silverado. GM 6L80E/6L90E Transmission Problems And Performance Upgrades What Are the Different Types of Transmission Fluids? See one of our TSP Camshaft Packages. Please select the checkbox to SignUp for text alerts, Line Lock / Roll Control Kits & Components, Thermostat Housings, Filler Necks & Water Restrictors, Dowel Pins - Cylinder Heads & Bellhousing, Exhaust Kits - Catalytic Converter/Axle Back, Fasteners and Accessory Mounting Brackets, Throttle/Carburetor Linkage, Choke Kits & Components, Wiring, Wiring Harnesses, Switches, Connectors, Breakers & Relays, Axles, Axle Housings, Housing Braces & Components, Tire Gauges, Pyrometers, and Stagger Tape, Grille Guards, Bull Bars, Push Bars, Brush Guards, Air Valve Stems, Stem Caps & Wheel Weights, Tire Pressure Gauges, Tire Durometer & TPMS Sensors, Golf Cart/ATV Wheels, Tires and Accessories, Circle Track Race Car Interior Parts and Accessories, Car & Truck Programmers, Modules and Chips, Lifter Valley Oil Control Trays, Baffles & Screen Kits, Oil Filter Adapters & Remote Oil Filter Mounts, Oil Pan Drain Plugs, Oil Change Systems, & Engine Magnets, Oil Pan Windage Trays, Baffles & Crankshaft Scraper, Oil Restrictors & Lifter Valley Breather Tubes, Steering, Chassis & Suspension Restoration, Classic Car Restoration Tools for Paint & Body Work, Transmissions & Components for Classic Cars, Shifter Cables, Linkage, And Installation Components, Shifter Replacement, Service & Mounting Components, Chassis, Roll Cage, Frame Rail, Subframe & Front Suspension Kits, Panhard Rods, Track Rods & Rear Axle Housing Locater Rods, Storage Shelves, Cabinets, and Misc. . JEGS 82514 - Torque Converter Bolts For GM TH200, 700R4, 4L60, 4L60E & 4L80E, M10-1.5 x 15 [Set of 3], JEGS 28070 - Quick Shift Automatic Transmission Fluid [1-quart], Dana Spicer 2-3-12051X - Transmission Slip Yoke 27 Spline x 1.176" Diameter, MSD Ignition 2760 - Atomic Transmission Controller for Late Model GM/Ford, First Gear Ratio (Automatic Transmissions). II," Feb. '99; "Thrasher," Oct. '98; and "Trans Swapping Tech," May '99) so we highly recommend referring back to those issues for details concerning a T56 swap. This cookie is set by GDPR Cookie Consent plugin. J. When dropping the transmission pan to perform a standard drain and fill transmission fluid change, you can expect to replace around anywhere from 4-6 quarts of fluid assuming the stock transmission pan is being used. You are now signed up to receive JEGS Deals with text alerts! m) of torque. Provides consistent shift performance, even in extreme conditions. 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. Texas Speed & Performance DOD / AFM Delete Kit for 5.3/6.0/6.2 Engines Changing transmission fluid in your 6l80e can range from easy to a major pain average DIY weekend mechanic. and transmission will set me back around 10,000. dollars and I hope to try to get another 10 to 15. $144.75 $ 144. You lost your second or reverse gear. From the options with Chevy Avalanche mods to the distinct chassis setup, these big trucks are worth bragging about. Got it within 3 days or ordering. Some parts are not legal for use in California or other states with similar laws / regulations. 5 Koleene Forward Steels 1999-2002 GMC K3500HD 5.7L 4X4 Core Return Freight Shipping is NOT FREE, Customer is responsible for core return shipping cost which will be deducted from your core deposit. This website uses cookies to improve your experience while you navigate through the website. Ramp Up from OE Wide Ratio to Race-Ready Close Ratio, Upgraded Housing Eliminates 3-4 Clutch Failure. To pre-program cluster you must provide current mileage, vin and matching OEM number; With 6 gauge cluster. 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.