Differential Pinion Shaft Locking Screw - Revised
Bulletin: 93-4-1Date: Jan. '93
Ref. No.: 93-85-4
Corp. Ref. No.: 264207
SUBJECT:
DIFFERENTIAL PINION SHAFT LOCKING SCREW (SERVICE INFORMATION)
MODELS AFFECTED:
1991-93 ROADMASTER
Anytime a differential pinion shaft locking screw is removed (Figure 1), 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:
36 N-m (27 lbs.ft.)
PARTS INFORMATION:
Pinion Shaft Locking Screw Part No. 14056196
Goodwrench 242 Threadlocker Part No. 12345382
Parts are currently available from GMSPO.