Toyota
Jeep Cherokee
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Transmission and transfer case » AW-4 automatic transmission » Diagnosis and testing
Time lag test

This test checks general condition of the overdrive clutch, forward clutch, rear clutch and first/reverse brake. Condition is indicated by the amount of time required for clutch/brake engagement with the engine at curb idle speed. Engagement time is measured for D and Reverse positions. A stop watch is recommended for test accuracy.

    More about «Diagnosis and testing»:

    General diagnosis information

    Effects of incorrect fluid level

    Causes of burnt fluid

    Fluid contamination

    Preliminary inspection and adjustment

    Manual shifting test

    Hydraulic pressure test

    Pressure test analysis

    Time lag test

    Test procedure

    Time lag test analysis

    Service diagnosis

    Transmission solenoid testing

    Park/neutral position switch

    Gearshift cable

    Throttle valve cable

    Speed sensor testing

    Flow testing transmission main cooler

    Torque converter stator clutch inspection

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