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Home >> Pontiac >> 1989 >> Firebird V8-350 5.7L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Testing and Inspection >> Component Tests and General Diagnostics >> 4L60 (700-R4) Automatic Transmission >> Oil Leak Check >> Preliminary Steps

Preliminary Steps

To correctly identify oil leaks, perform the following procedure:

1. Clean all residual oil from transmission using suitable cleaner.

2. Dust transmission with leak tracing powder or spray foot powder.

3. Start engine and allow to reach normal operating temperature.

4. Turn off engine and allow vehicle to set for 30 minutes, then check for leaks as outlined.