GM Service Manual Online
For 1990-2009 cars only

Checks

Cause

Oil Level

Incorrect level

Torque Converter (1)

The converter to flex plate bolts are missing

Oil Pressure

    • The pressure regulator valve is sticking in the bushing
    • Pump seals are worn (347, 350)
    • The oil pump shaft is broken (18)

Differential (678-687)

The differential is damaged or broken up

Drive Link (101)

    • The drive link is broken (101)
    • An object is between the drive link and the sprocket (101, 103, 122)

Manual Valve (406)

A retainer clip is fallen out (441)

Manual Linkage (701-704)

Misadjusted

Input Shaft (624)

The shaft is loose or has broken away from the forward clutch drum

Reaction Carrier (665)

The carrier is broken at the lo roller clutch cam (662, 665)

Forward Clutch Housing

Forward Housing