Express 1/2 Ton Van V8-305 5.0L VIN M SFI (1998)
Air Bag Control Module: Service and Repair
Removal Procedure
1. Disable the SIR system. Refer to Disabling the SIR System.
2. Remove the driver seat. Refer to Front Seat Replacement in Seats.
3. Fold back the carpet to access the inflatable restraint Sensing and Diagnostic Module (SDM).
Description
4. Remove the Connector Position Assurance (CPA) from the inflatable restraint Sensing and Diagnostic Module (SDM) harness connector.
5. Disconnect the SDM harness connector from the SDM.
6. Remove the SDM (3) mounting fasteners (2).
7. Remove the SDM from the vehicle. (1).
The following repair procedures should only be used in the event that the inflatable restraint Sensing and Diagnostic Module (SDM) mounting studs
and/or fasteners are damaged to the extent that the SDM can no longer be properly mounted.
1. Remove the stripped nut and discard it.
2. Drill out the weld spots to the weld stud from the floor pan side, then remove and discard the stud.
3. Condition the floor panel attaching surface where the new stud is to be installed.
4. Install new weld stud GM P/N 115115602 and clamp it.
5. Mig weld the stud at the drilled holes from above or below the floor pan (as required).
6. Apply body sealer GM P/N 9984248 around any exposed openings.
7Install a new fastener GM P/N 11515933.
