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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Valve Rocker Arm Cover Replacement - Left >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Do not reuse the rocker cover gasket or the rocker arm cover bolt grommets.
    Fig 1: View Of Rocker Arm Cover And Gasket
    GM328573Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW rocker arm cover gasket to the cover.
  2. Install NEW rocker arm cover bolt grommets to the cover, if necessary.
    3. Fig 2: Rocker Arm Cover
    GM869729Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the rocker arm cover.
  4. Install the rocker arm cover bolts.

    Tighten:  Tighten the bolts to 12 N.m (106 lb in).

    5. Fig 3: Locating PCV Valve Hose At Valve & Rocker Cover
    GM869710Courtesy of GENERAL MOTORS CORP.
  5. Install the PCV valve hose to the valve cover and rocker cover.
    6. Fig 4: Locating Power Brake Booster Vacuum Hose
    GM869713Courtesy of GENERAL MOTORS CORP.
  6. Connect the power brake booster vacuum hose to the vacuum fitting.
    7. Fig 5: View Of TP Sensor, IAC Motor, ECT Sensor, Control Port Injector Module & Engine Harness Clip Bolt
    GM782174Courtesy of GENERAL MOTORS CORP.
  7. Position the engine wiring harness and bracket.
  8. Connect the ECT sensor electrical connector (5).
  9. Install the engine wiring harness clip bolt (4).

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

    10. Fig 6: View Of Engine Wiring Harness Bracket & Nuts
    GM310241Courtesy of GENERAL MOTORS CORP.
  10. Install the engine wiring harness bracket.
  11. Install the engine wiring harness bracket nuts.

    Tighten:  Tighten the nuts to 12 N.m (106 lb in).

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