Diagnosis and Maintenance of Automatic Transmission With Malfunction(Ⅰ)

1. Planetary gear system are ablation, the reverse gear cannot work. This is caused by the severe burning in internal components of the transmission, and also due to the poor cooling, it needs to replace the water tank. After the repair, the ATF temperature should be checked again and will keep in the normal range by using the decoder.

2.Slippery. This phenomenon is often caused by the clutch piston pressure and friction plate burning, mostly due to poor heat dissipation or internal pressure relief.

3.Up-shifting impact may be caused by lack of power, you need to find out the problems in engine parts: such as throttle dirty, spark plug burning, three-way catalytic converter blockage. Generally, the internal problems of the gearbox are mostly resulting in downshifting impact.

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