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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 948 (Battery, Charging System & Starting System) >> Repair Instructions >> Energy Storage Control Module Replacement (5.3L Engine w/RPO HP2) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the energy storage box (ESB). Refer to Energy Storage Box (ESB) Service Disconnect/Connect (5.3L Engine w/RPO HP2) .
  2. Remove the ESB intermediate cover. Refer to Energy Storage Box (ESB) Intermediate Cover Replacement (5.3L Engine w/RPO HP2) .
  3. Remove the control module nuts.
  4. Lift the control module up off of the studs.
    5. Fig 1: View Of Energy Storage Control Module (5.3L Engine w/RPO HP2)
    GM1403618Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the control module electrical connectors.
  6. Remove the control module.
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