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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1496 (Engine Mechanical - 5.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Throttle Body Installation

Throttle Body Installation

WARNING: This page is about a different car, the 2003 GMC Envoy XL and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  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 To Intake Manifold
    G02129701Courtesy 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 And Nuts
    G02129702Courtesy of GENERAL MOTORS CORP.
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