Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Repair of Mounting Studs and/or Bracket

Important
The following repair procedures should only be used in the event that the inflatable restraint Sensing Diagnostic Module (SDM) mounting studs and/or fasteners are damaged to the extent that the SDM can no longer be properly mounted.

1. Cut off weld-stud from SDM bracket.
2. Drill out remaining portion of stud with 7.0 mm (9/32 inch) drill bit.
3. Install 6x1 mm bolts (GM P/N 11507029) from top side of SDM into nuts (GM P/N 11513875) on bottom side of SDM bracket.