Torque Converter Housing Cleaning and Inspection

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Torque Converter Housing

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Thoroughly clean the torque converter housing assembly, including threads, with clean solvent. Clean sealing surfaces. Inspect all threaded holes. If necessary, repair any thread damage.
1	Line Pressure Test Hole Plug CAUTION: Use care when tightening the line pressure test hole plug. Do not use a socket extension, which could cause side-loading and potentially crack the transmission case assembly. CAUTION: Refer to Fastener Caution . Tighten: 11 N.m (97 lb in)
2	A/Trans Vent Pipe
3	Trans Fluid Cooler Pipe Fitting Seal CAUTION: Refer to Seal Reuse Caution . Tip: Refer to Transmission Fluid Cooler Pipe Seal Replacement .
4	Torque Converter Bushing