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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Engine Controls - Removal & Installation) >> Ignition Systems >> Ignition Control Module >> Removal & Installation
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Removal & Installation

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition off. Remove ignition coil cassette. See IGNITION COIL(S)  . Remove the screws retaining the Ignition Control Module (ICM). Remove the ICM. To install, reverse removal procedure. Tighten ICM retaining screws to specification. See TORQUE SPECIFICATIONS  .