While valve body is out, aircheck indicated circuits figure 2 using low, regulated air pressure. Valve body kits free delivery possible on eligible purchases. Adding an eighth checkball helps eliminate concerns related to a clunking sensation experienced during both acceleration and deceleration in 1st gear. The stated cause of the problem was the 1234 clutch piston was cracked. Line pressure and shift feel are also controlled electronically with a pressure control solenoid pcs located on the valve body. Part 1 pressure switches the pressure switches are housed as part of the control solenoid valve assembly. The novak guide to the gm 6l80 automatic transmission.
All previous gm transmissions had been based on hydraulic controls with more electrical aspects with each upgrade, but this unit was developed as a. Other valve body problems may occur at the mileage of 300 000 km. This identification system is not foolproof, because. In other instances, the valve body sections need to be pried apart, which often delaminates the gasket. Multiple warehouse locations in las vegas and the east coast gets you transmission parts fast. In mid 2008, interim 2008 change has also occurred to address a p0751 code.
Tractor pulling and monster trucks often use full manual valve bodies for better control over their automatic transmissions. The pump maintains the working pressures needed to apply the clutch pistons that apply or release the friction components. All previous gm automatic transmissions were virtually all based on hydraulic controls, and received increasing electrical elements as they modernized. These valve bodies are tested and ready to install. Coming soon 10l80 alto high energy master rebuild kit with clutches steels pistons and overhaul kit number 231901. On test, the 1234 clutch pack leaked during the air check of the transmission pump with valve body removed wording from work order. Pressure control solenoid fluid pressure reacts with the valve to control the amount of fluid exhausted from the clutch regulator.
Shoulder on insert will seat flush against the finished valve body surface figure 12. These friction components, when applied or released, support the shifting qualities of the transmission. Jun 18, 2015 on this video we see some images of a transmission i was working today that was contaminated from rain water. The pcs applies pressure to the isolator valve, which, in turn, forces the pressure regulator valve to increase line or boost pressure in response to vehicle load figure 2. Gm 6l45e 6l50e 6l80e 6l90e tcm2650 transmission controller.
The 6l80e transmission is now for sale at our lowest price. But, whatever you call that transmission youre having put into your car, you should make that your car getting exactly what you think you are getting. The 6l80 was, from the ground up, developed as an electrohydraulic. The tcm is internal and part of the valve bodysolenoid assembly on this transmission. When the eighth checkball was added, the separator plate also changed figure 4. All previous gm transmissions had been based on hydraulic controls with more electrical aspects with each upgrade, but this unit was developed as a electrohydraulic controlled transmission.
Dec 12, 2014 gm 6l45, 6l50, 6l80, 6l90 valve body layout. This holds the 2 piece connector together through the cast housing, and then remove the outer portion. The mazelike passages of the valve body form the brains of your automatic transmission, directing hydraulic fluid to the appropriate clutch packs and servos to shift gears. This is the main reason to repair 6l 456l 80 gearbox, which is caused by transmission overheating and oil starvation. Believe it or not, the 6l80 is already 10 years old. Buy acdelco 24245720 gm original equipment automatic transmission control valve body spacer plate with gaskets. A new spacer plate is available for the 6l80 series transmission due to an 8th ball being added to the upper valve body figure 1. Chevrolet6l906l90e complete valve body denali tcm and. Home transmission parts automatic transmission kits gm rear wheel drive 6l508090 transmission tools. We pull out all the stops with our hydramatic 6l80 build.
Picture below left 4 remove the 6 bolts holding the valve body and tcm into the transmission noted in red on the. He says, the top 5 upgrades in the 4l60e family would be a 24 servo upgrade in the form of a corvette servo or aftermarket billet servo, valve body reprogramming and modifications, an upgraded 34 clutch pack, a sleeved and reinforced input drum, an upgraded. Zip01 kit compensator feed regulator valve sonnax click here for info. Coming soon 10l90 alto high energy master rebuild kit with clutches steels pistons. Gm 6speed 6l90 myd transmission info, specs, wiki gm. Rebuilt valve body for gm 6l80 transtar part number. Shift kit transmission valve body kits transgo shift kit. I have a 2010 silverado with the 6l80 transmission.
Subscribe for free to receive our daily newsletter in your inbox. For hard launches, quick shifts, and full manual control at the drag strip or race track, youll want to upgrade to a high performance valve body. Apr 14, 2015 in this video, i disassemble the valvebody to replace a checkball. This extreme duty 6l80e transmission comes with our full billet torque converter, that has a very large red clutch.
The tcm2650 is designed for situations where a standalone transmission controller cannot control the transmission directly. This transmission manual contains service and identification. The switches provide an input to the tcm and have two basic functions. Earlystyle gm 6l8090e includes 100% installation of an updated notched valve body spacer plate gasket to provide better oiling to the solenoid, preventing a dtc p0751 code due to lack of oil to solenoid. The tcm is internal and part of the valve body solenoid assembly on this transmission. Tcm tehcmvalve body diagnosis a special tool has been released to help you diagnose internal problems in the 6l80. Information about rebuild transmission gm 6l45 50, 6l80 90 6l 456l 80 is a compact, hitech and reliable transmission, which features an automatic control over most of gearbox functions.
Full billet means both the converter housing and the clutch apply piston are both billet. Limp or default modes power failure if failure occurs in. Requires programming of the transmission control module before usage. To monitor clutch regulator valve and clutch hydraulic operation figure 8. In this video, i disassemble the valvebody to replace a checkball. Introduction passage id air check no part of any atsg publication may be reproduced, stored in any retrieval system or transmitted in any form or. When properly operated and regularly maintained, this gearbox is able to reach the point over 200 000 km before the. By using the dt 47825 air test plate figure 3, shop air, and a capable scan tool, you should be able to isolate problems in the solenoid block and valve body. Check out these circle d 6l80e transmission upgrades. Atsg blog where did they add the checkball for the 6l80. We provide an outthedoor price, with shipping, for a replacement remanufactured gm 6l80 6l90 valve body and control module direct to your repair shop. Generally, if the a boss is machined down, this indicates an mya6l45 unit see chart below. Have peace of mind, knowing that your new 6l80e transmission has all the updates developed by general motors engineers combined with the latest industry advancements providing unparalleled oe strength and durability.
This function is also controlled by the pcm and the numerous electronic signals from the sensors. These mechatronic valve body designs make it nearly impossible to directly control the transmission. Updated valve body plate kit for gm 6l806l90 transtar part number. Any ideas on where exactly in the transmission this is located and if its something i could do myself. The 6l80 6l90e transmission fills a much needed duty gap between the versatility of the 4l series and the allison variety.
The fluid pump is fully integrated with a resurfaced rotor and machined body mating ensuring consistent fluid pressure. This improves both acceleration performance and fuel economy. Remove oe center support seal assembly from case and set aside for reuse. Zip kit sonnax 6l456l806l90 transmission parts now. Where did they add the checkball for the 6l8090 transmission. Use appropriately sized flat punch to lightly tap inserts into place. The 8l90e is an 8 speed automatic transmission developed by general motors and introduced for the 2015 model year. Our stage 0ne 6l90e transmission that is good for up to 700 hp and then our stage two which can handle up to hp. Rebuilt valve body for gm 6l80 transtar industries.
It has been reported, that resurfacing the valve body and chemically stripping the remaining gasket, has worked when time or parts are an issue. From its clutch packs helical cut gears to its performance built lockup torque converter you wont find a better deal on the market. It is currently phasing out the 6l806l90 transmissions although it hasnt done its all the way yet. Sonnax zip kit 6l456l90zip targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the gm 6l45, 6l50, 6l80, 6l90 valve body. Remanufactured 6l80 6l90 valve bodies street smart. Valve bodies for automatic transmission summit racing. Hydramatic started production of the 6l80e in 2006 and continue the legacy of this sturdy.
The gm hydramatic 6l80 transmission heralds a significant change in the design of automatic transmissions at general motors. This rebuilt valve body is updated and comes with a sonnax oversized afl valve, oversized tcc regulator valve and compensator feed regulator valve kit. Install four sonnax valve body seal inserts nongrooved, nonthreaded into the back side of valve body. Transmission repair manuals gm 6l45, 6l80 90 instructions. Newer transmissions, including the gm 6l80, contain the factory transmission control module inside the valve body. Atsg 6l80 6l80e automatic transmission techtran manual. Atsg 6l80 6l80e automatic transmission techtran manual automatic transmission service group on. Posted in atsg news atsg tech tips atsg product spotlight by jon glatstein.
Identification guide gm 6l45, 6l50, 6l80, 6l90 figure 1 figure 2 machinedfigure 2 down boss valve body casting identification look for the machineddown boss on the upper valve body figure 1. The 6l806l90e transmission fills a much needed duty gap between the versatility of the 4l series and the allison variety. This is a stock remanufactured original equipment replacement gm 6l90e transmission for 2011 4wd 34 and 1ton tahoe, escalade, yukon, suburban, sierra, and silverados applications with v8 gasoline engines and transmission code 1dga. Our xp1 series is not your everyday rebuilt 6l90 it has been completely remanufactured with a serious set of upgrades. Spacer plate and valve body spring updates there have been 2 changes in the spacer plates used for the 6l80 starting in mid 2007 as a 2007 interim change adding an exhaust and a parallel path for a lube circuit bleed. Otherwise, malfunction of the valve body and its solenoid valves is most likely because of contamination by products of the wear.
Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine whats available for the specific valve body youre working on. Full manual valve bodies are used for high performance applications where you dont need a transbrake to launch. The alto red eagle power packs are here and we install them in. Now that weve looked at how the 6l8090e transmission operates, its time to. Im fairly mechanically inclined and if i could do it myself, any tips. Va01 kit o ringed end plug kit sonnax click here for info. Gm 6speed 6l90 myd hydramatic automatic transmission. Buy 6l45 6l90 zip 6l45 6l90 transmission zip sonnax gm zip kit boost check valve etc. Jan 19, 2011 check out these circle d 6l80e transmission upgrades. The 6l8090 transmission is showing up in shops much more frequently than in the past, as vehicles equipped with this unit get older. Buy shift rite transmissions replacement for 4l80e 9703 updated transmission valvebody mt1 shift rite 4l80e. Fords dps6 transmission, also called the ford powershift transmission, is a sixspeed, dualclutch automatic transmission. Jegs carries forward and reverse shift manual valve bodies as well as manualautomatic combination valve bodies.
This valve body plate service kit includes a new bonded separator plate and eight new checkballs. This will help you discover any issues prior to installing the remanufactured valve body. We have an option to reprogram our 6 speed transmissions prior to shipping, when ordering let. Updateddesign xpattern lowreverse lined clutch plates are installed to eliminate shudder on apply.
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