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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1219 (Engine Mechanical - 4.2L 6-Cylinder (Unit Repair)) >> Repair Instructions >> Fuel Rail and Injectors Installation

Fuel Rail and Injectors Installation

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lubricate the lower injector O-rings with mineral oil GM P/N 9981704.
  2. Install the fuel injector rail.
  3. Install the fuel injector rail bolts.
    NOTE: 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.

    Tighten 

    Tighten the fuel injector rail bolts to 10 N.m (89 lb in).

    4. Fig 1: Installing Fuel Injector Rail Bolts
    G01706723Courtesy of GENERAL MOTORS CORP.
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