GM Service Manual Online
For 1990-2009 cars only

Abrupt 1-2 Upshift for Geo Tracker - 2WD 1997

Abrupt 1-2 Upshift

Checks

Cause

Oil Pressure

High

1-2 Accumulator Valve

Stuck

2nd Clutch Spring Cushion

Broken

2nd Gear Ball Valve

Missing