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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Supplemental Inflatable Restraint System) >> Removal & Installation >> Sensing & Diagnostic Module (SDM) >> Removal & Installation

Removal & Installation

WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo and 2002 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Disable air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM .
  2. Remove passenger-side front seat. Remove front carpet retainer. Roll back carpet and insulation to access SDM. Remove Connector Position Assurance (CPA) clip from SDM connector. Disconnect SDM connector. See Fig 1. Remove SDM bolts. Remove SDM.
  3. To install, reverse removal procedure. Tighten SDM bolts and seat mounting bolts to specification. See TORQUE SPECIFICATIONS . Activate air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM .
Fig 1: Identifying Sensing & Diagnostic Module (SDM)
G98J09774Courtesy of GENERAL MOTORS CORP.