GM Service Manual Online
For 1990-2009 cars only

Checks

Cause

Oil Level

Incorrect level

TV Valve (369)

Misadjusted, unhooked, bound, or broken (23, 367)

Manual Linkage (701-704)

Misadjusted

Oil Pressure

Check for causes of high or low oil pressure

Direct Clutch (608-617)

Plugged accumulator exhaust port (401)

Direct Clutch Exhaust #1 Checkball (16)

Mispositioned or missing

Control Valve Assembly (21)

    • Binding plunger and throttle valve (367)
    • Binding shift TV valve (308)