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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1444 (Engine Mechanical - 5.3L (Lm4)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Throttle Body Installation

Throttle Body Installation

WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Throttle Body Gasket
    GM1277091Courtesy of GENERAL MOTORS CORP.
    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).

    2. IMPORTANT: DO NOT use the throttle body gasket again. Install a NEW gasket during assembly.
  2. Install the throttle body gasket (509) to the intake manifold.
    3. Fig 2: View Of Throttle Body & Nuts
    GM825837Courtesy 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.
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