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:

^ 7-1/2", 7-5/8" and 8-1/2" 36 N-m (27 lbs.ft.)

PARTS INFORMATION:

^ 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.