GM Service Manual Online
For 1990-2009 cars only

Check

Causes

DEFINITION: A large engine RPM increase is noted in second gear, Drive range, with little or no vehicle forward speed increase. First, third, and fourth gear operation are normal. Shifts into second gear are soft or do not occur.

Second Clutch

    • Damaged piston
    • Damaged or worn clutch plates

Second Coast Clutch

    • Damaged piston
    • Damaged or worn clutch plates

Second Clutch Sprag

    • Damaged sprag
    • Worn or pitted inner race

Second Clutch Fluid Passage Sleeve

Leaking