mercredi 22 juillet 2015

4HP24 full operational ..... but 4th gear is missing

While the Transmission Control Unit (TCU) does set the 2 shifting solenoids (MV1-MV2) the proper
way.. my gearbox will not shift to 4.

Inside the gearbox is new oil ( dexron III ), new filter, valve body cleaned, pressure regulator screen
cleaned. No signs of burned oil or excessive dirt.

No shift to 4 .... does this mean BRAKE F defective?

Reverse, 1,2 and 3 are silky smooth. 750i - v12


4HP24 full operational ..... but 4th gear is missing

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