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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Throttle Body Installation

Throttle Body Installation

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CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  1. Install the throttle body studs, if required.

    Tighten 

    Tighten the throttle body studs to 6 N.m (53 lb in).

    Important:  DO NOT use the throttle body gasket again. Install a NEW gasket during assembly.

  2. Install the throttle body gasket (1) to the intake manifold.
    Fig 1: Installing Throttle Body Gasket
    G02079072Courtesy of GENERAL MOTORS CORP.
  3. Install the throttle body and nuts.

    Tighten 

    Tighten the throttle body nuts to 10 N.m (89 lb in).

  4. Install the engine coolant air bleed hose and clamp to the throttle body.
    Fig 2: Installing Throttle Body & Nuts
    G02079073Courtesy of GENERAL MOTORS CORP.
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