Case Cover: Reassembly
- Using Seal Installer (J-26938 or J-29130), install new axle oil seal and seal guard. Install detent spring and roller assembly. If 1-2 accumulator piston seal was removed, install new seal ring. Install 1-2 accumulator piston (flat side down).
- Install 1-2 accumulator piston pin. Install manual valve assembly with small diameter first. Using a 3/8" drift, replace manual valve cup plug. Coat cup plug with sealant before installation. With new "O" ring on electrical connector, install connector with tab located at case slot.
- If removed, install thermostatic element roll pins into case. Using Roll Pin Height Checker (J-29023), adjust installed height of center roll pin to .24" (6 mm). See Fig 1
. Recheck thermostatic element roll pin installed height. Install thermostatic element plate.
- Install thermostatic element onto roll pins. Place Roll Pin Height Checker (J-29023) against roll pin, between case surface and thermostatic element.
- Install roll pin retainers, and tap down onto roll pins until element contacts touch. Set roll pin washer height after installing and setting center roll pin height.
- Set roll pin retainer height to .21" (5.3 mm). See Fig 2
. Adjustment is important for thermostatic element operation. Thermostatic element controls fluid level in control valve cover oil sump.
Courtesy of GENERAL MOTORS CORP.
Courtesy of GENERAL MOTORS CORP.