Transmission Case Cleaning and Inspection

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Transmission Case Cleaning And Inspection Points

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
CAUTION: After cleaning the transmission components, allow to air dry. Do not use cloth or paper towels in order to dry any transmission components. Lint from the towels can cause component failure. CAUTION: Do not reuse cleaning solvents. Previously used solvents may deposit sediment which may damage the component. Preliminary Procedures Thoroughly clean the transmission case assembly, including case threads, with clean solvent. Clean gasket sealing surfaces. Remove all residual gasket material. Inspect all threaded holes. If necessary, repair any thread damage.
1	A/Trans Vent Pipe
2	A/Trans Case Assembly
3	High Voltage Electrical Box
4	Manual Shift Shaft Seal Refer to Manual Shift Shaft Seal Replacement .
5	Torque Dampener Housing Sealing Surface
6	Generator Assembly Sealing Surface
7	A/Trans Fluid Pan Gasket Sealing Surface
8	Rear Case Gasket Surface
9	Generator Assembly Sealing Surface
10	Wiring Harness Passage Sleeve Bore