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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 180 (Hybrid Energy Storage System) >> Repair Instructions >> Drive Motor Battery with Case Overhaul >> Case Covers

Case Covers

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Case Covers & Components
GM1987233Courtesy of GENERAL MOTORS CORP.
Case Covers

Callout Component Name
WARNING: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
  • Identify how to disable high voltage.
  • Identify how to test for the presence of high voltage.
  • Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.

Failure to follow the procedures exactly as written may result in serious injury or death.

Preliminary Procedures:

  1. Disable the high voltage at the drive motor generator battery. Refer to High Voltage Disabling .
  2. Remove the drive motor generator battery from the vehicle. Refer to Drive Motor Generator Battery Replacement .
  3. Remove all components in this procedure from the disabled drive motor generator battery and install onto the new drive motor battery with case kit.
1 Drive Motor Battery Cable Terminal Extension Cover Bolt (Qty: 4)
NOTE: Refer to Fastener Notice .

Tighten:  6 N.m (53 lb in)

2 Drive Motor Battery Cable Terminal Extension Cover
3 Drive Motor Battery Case Upper Cover Bolt (Qty: 21)

Tighten:  8 N.m (71 lb in)

4 Drive Motor Battery Case Upper Cover Nut (Qty: 6)

Tighten:  8 N.m (71 lb in)

5 Drive Motor Battery Case Upper Cover
6 Drive Motor Battery Case Front Cover Bolt (Qty: 9)

Tighten:  8 N.m (71 lb in)

7 Drive Motor Battery Case Front Cover Push Rivet
8 Drive Motor Battery Case Front Cover
9 Drive Motor Battery Case Right Cover Nut

Tighten:  8 N.m (71 lb in)

10 Drive Motor Battery Case Right Cover Bolt (Qty: 3)

Tighten:  8 N.m (71 lb in)

11 Drive Motor Battery Case Right Cover