This manual also covers the differences between the units in the valve body and governor. If there in oil will be some of shavings, the automatic transmission fast gets overwarm and get out of work. A valve feather under spring pressure is seated in the valve body and exposed to system pressure. On this page you can read or download 03 72le automatic transmission pdf in pdf format. This manual covers the procedures necessary to overhaul and repair both of these units. In this video, i go through the process of opening, cleaning,checking and reassembly of the 722. Repair manual 722,5 transmission i have never worked with a automatic transmission before and if anybody have some expertise tips for me i am grateful for that. D 722 0911 data brochure 4way mixing valve 722 the 4way brass mixing valve 722 is used to mix supply water from a heat source with water returning from a system. The early plate will not fit the late valve body, however, the late model plate will fit the early model valve body.
Jcb 722 articulated dump truck repair service manual. What that means is that the tcu can not be from a used car. You can get broken valve body, if you use not highquality oil or if you drive very aggressive. Section 1 automatic transmission basics chiaravalli. For the vgs1 version, you must purchase the conductor plate and the valve body, if buying new. Defective valve body and conductor plate issues have effected many mercedesbenz cars equipped with 722.
The car is e320 1994 with 800,000 miles on it and i lost the famous reverse but when i dropped the pan the oil is like new and no other signs of failure i believe the lipseals is bad. To determin if you have a vgs 1,2 or 3 valvebody, here are what the last 4 numbers are to the mb part number. Replace inner plates of clutch k1 or recondition clutch if necessary. Valve body recalibration kits 165h valve body kit diesel 722. Never change the solenoid positon of the valve body. Ac tools 096, 097, 098, 01m, 01n, 01p automatic choice. Pressure regulator spring yes, those idiots at mb change out the whole valve body, rather. Step 9 vacuum modulator adjustment modulator pressure 19. An electronic control module on the left rear side of the transmission just above the pan rail which operates a shift control valve and its position is monitored by a position sensor. When the system pressure overcomes the spring pressure the valve feather will move in the seat creating an exit to atmosphere allowing the system gas or liquid to escape. Repair manual 722,5 transmission peachparts mercedes. Transmission slips during 34 upshift check and adjust modulating pressure. You will note that the regular six bolt pan plate has a large opening where as the 190e opening is split.
You can either remove them one by one, or clear all filters using the button below. 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. To order a part, the dealer must submit a request with computer scans and. This means that historically useless transmissions, valve bodies, and tcus can now be made serviceable again.
The function descriptions are structured in a familiar way but also contain explanations of. Valve body receives inputs from selector lever position, mode selector switch, accelerator. Although the preferred method of putting these parts back into. This is a significant cost increase over just buying the tcm. I need valve body check valves location or layout plan. It connects to pipe using standard female npt threads. The core of the problem is in the valve body, and maybe the software in the tcm, but you are screwed if the main case is plumbed different for the oil orfaces where it mates to the valve body. In this video, i overhaul the valvebody from the 2005 mrecedes. Complete valve body with conductor plate mercedesbenz will no longer sell 722. The entire video series is included free of charge. Allways can help a new reprogram with xentry or vediamo. Mercedes first introduced the 722 models in model year 1980.
The following information are taken into account when shifting the drive positions. The electrical control unit comprises of a supporting body made of plastic, into which the. Slk r171 late 04 new m class w164 new r class w251 2005 new g class cls 350 500 e350 late 04 repair service. Torque from the torque converter is increased via the input shaft 25 and all. Valve body was replaced due to defective valve body. Please make sure your tcm and other parts integrated on the plate are in good working condition. Solenoids and body itself are very sensitive to hot temperature. If you dont see any interesting for you, use our search form on bottom v. My opinion, i would never stick a 90s transmission back in a 90s car. We have illustrated the separator pl ate id in figure 1 for both the regular 722. Answered by a verified mercedes mechanic we use cookies to give you the best possible experience on our website.
Every car owner with automatic transmission inevitably faces the fact that when a serious mileage of 100150 thousand kilometers is reached, the box does not behave as perfectly as. If these parts fail they will require replacement in order to extend the life of the transmission. It is designed for use in either closed loop or open loop hydronic systems. Nag 2 new automatic gearbox 2 7 gtronic first installed in non 4matic 2004 year m1 engine vehicles. Before to dismount tha valve body, allways mark the solenoid position and install every solenoid again in the same posision. 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. This part does not include the black plate or the tcm.
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