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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust >> Repair Instructions >> Catalytic Converter Heat Shield Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Catalytic Converter Heat Shield Replacement
    GM1902714Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  1. If equipped with a 5.3L engine, position the catalytic converter heat shield (1) to the underbody and install the nuts (2).

    Tighten:  Tighten the nuts to 9 N.m (80 lb in).

    2. Fig 2: Catalytic Converter Heat Shield Replacement
    GM1902716Courtesy of GENERAL MOTORS CORP.
  2. Position the catalytic converter heat shield (1) to the underbody and install the nuts (2).

    Tighten:  Tighten the nuts to 9 N.m (80 lb in).

  3. If equipped with a 5.3L engine, install the catalytic converters. Refer to Catalytic Converter Replacement - Left Side (LH8)  and/or Catalytic Converter Replacement - Right Side (LH8) .
  4. If equipped with a 3.7L engine, install the catalytic converter. Refer to Catalytic Converter Replacement (LLR) .
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