An automatic transmission ZF 4HP22 had a rather simple design, which has been upgraded during the process of exploitation. Six years after the appearance of a first modification transmission ZF 4HP22 received a fully electronic control unit. This modification has established itself as a highly reliable transmission, which was broken down exceptionally because of incorrect use. Failures related to metal fatigue or an extra-long run is a very rare problem for this gearbox. Car owners should often examine the oil condition.
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It combines the hydraulic control of forward and reverse gear engagement, with electronic control for automatic upshifts from 1st thru 4th and automatic downshifts from 4th thru 1st gears.
Three different versions of valve bodies have been used on BMW vehicles, with minor differences between them The 1st version, designated Early "E-7", has 5 solenoids on the valve body, was introduced in and used up thru This version includes a solenoid for reverse lockout. The 2nd version, designated Late "E-7", has 5 solenoids on the valve body, was introduced in and used up thru Mid The 3rd version, designated "E-9", has 4 solenoids on the valve body, was introduced in Mid and used up thru This version uses a shift solenoid for the reverse lockout function.
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69740AA - 4HP22 USED VALVE BODY
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Porsche 993 remanufactured valve Body ZF 4HP22
Log In or Register. Advanced Search. Please note the current lead time for the supply of a gearbox is around working days. Whilst we aim to hold stock of units, due to high demand, this is not possible at the present time. Once your order is placed you will be notified of your build date; your unit will then be dispatched that day or the following working day. All our boxes are fully rebuilt including the valve body and come complete with a rebuilt torque converter. To see an explanation of our core deposit please click here.