GM Service Manual Online
For 1990-2009 cars only

Low Fluid Level

Checks

Causes

Filler Tube Seal Ring

Leak

Case

Leak

Manual Shaft Seal

Leak

Extension Seal

Leak

Oil Pan Gasket

Leak

Extension To Case Gasket

Leak

Vacuum Modulator Seal Ring

Leak

Drain Plug Gasket

Leak

Cooler Line Fittings

Leak

Detent Cable Seal Ring

Leak

Line Pressure Gage Connection

Leak

Electrical Connector Seal

Leak

Vacuum Modulator

Leak