Drive Plate - Revised Installation Procedure
Group: 13Number: 93-04
Date: July 31, 1993
Subject:
Drive Plate, Installing (Revised Procedure)
Model(s):
Quantum with 089 Automatic Transmission
The drive plate (2 versions) installation procedure for the Quantum Repair Manual (Microfilm) is incorrect.
Only use the procedures in this bulletin when installing a drive plate.
Drive plate, installing
Note
Identify which drive plate version is installed before proceeding.
Old Version
Drive plate with thicker disc -1-, install using new bolts
^ Chamfer on base of disc must point toward the drive plate
- Tighten bolts to 30 N-m (22 ft.lb.)
- Measure dimension -a- at 3 points and calculate the average value
^ Must be 31.3 +/- 0.7 mm
If NO
Install shim(s) -2- until specified value is obtained
Tighten bolts to 60 N-m (44 ft.lb.) + an additional quarter turn (which can be applied in stages)
New Version
- Drive plate with thicker shim -2- (next to crankshaft) and thinner shim -1-, install using new bolts
- Tighten bolts to 30 N-m (22 ft.lb.)
- Measure dimension -a- at 3 points and calculate the average value
^ Must be 31.3 +/- 0.7 mm
If NO
- Exchange shim -2- with thinner shim -1-
- Tighten bolts to 60 N-m (44 ft.lb.) + an additional quarter turn (which can be applied in stages)