Tools Required

WARNING: This page is about a different variant/trim than selected.

Fig 1: Measuring Second Coast Clutch Piston Stroke

Courtesy of GENERAL MOTORS CORP.

CAUTION: Wear safety glasses when using compressed air in order to prevent eye injury.

Using the same special tool setup used to measure the second clutch piston travel, relocate the dial indicator J 45200 onto the second coast clutch piston and zero the dial indicator. See Special Tools .
Apply compressed air into the second coast clutch fluid passage (B1) and measure the piston stroke. Be sure the piston moves smoothly.
Specification: Second coast clutch piston bore stroke: 1.24 - 1.96 mm (0.049 - 0.077 in)
If the piston stroke is out of specifications, ensure the clutch plates are assembled correctly and not worn.
Remove the tools.

NOTE: Refer to Fastener Notice .

Install the remaining M6 x 1.0 x 14.5 mm fluid pump cover bolt (231) into the hole where J 45166 (2) was located. See Special Tools .
Tighten: Tighten the fluid pump cover bolt (231) to 12 N.m (106 lb in).