Custom Cruiser RWD V8-350 5.7L (1992)
Pinion Flange: Technical Service Bulletins
Differential Pinion Shaft Locking Screw - Service
NUMBER: 93-U-31
CORP.REF.NO: 264207
DATE: March 1993
SECTION: 4B
SUBJECT:
DIFFERENTIAL PINION SHAFT LOCKING SCREW - INFORMATIONAL
MODEL/YEARS:
1984-85 EIGHTY EIGHT, 1984-92 CUSTOM CRUISER, 1984 NINETY EIGHT AND 1991-93 BRAVADA
Anytime a differential pinion shaft locking screw is removed, it is important to coat the screw threads with Loctite 242 before reinstalling. These screws
are coated with an adhesive which helps to prevent the screw from loosening in the case. When this screw is removed, the adhesive is also removed. If a
new locking screw is necessary, they are available through GMSPO and are coated with the correct adhesive.
Torque the locking screw to the following specifications:
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7-1/2", 7-5/8" and 8-1/2" 36 N-m (27 lbs.ft.)
PARTS INFORMATION:
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Goodwrench 242 Threadlocker
P/N 12345382
If a new differential pinion shaft locking screw is required, order the following:
Application
Part Number
7-1/2", 7-5/8" and 8-1/2"
14056196
Parts are currently available from GMSPO.
