GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Fuel Rail and Injectors Installation

    Object Number: 1530221 Size: SH
  1. Lubricate the lower injector O-rings with mineral oil GM P/N 9981704.
  2. Install the fuel injector rail.

    3. Caution: Refer to Fastener Caution in the Preface section.

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