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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Engine Mechanical - 4.8L, 5.3L, And 6.0L (2 Of 4)) >> On-Vehicle REPARI Instructions >> Engine Valley Cover Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: All gasket surfaces should be free of oil or other foreign material during assembly.
    Fig 1: View Of Knock Sensor Oil Seals & Cover
    GM490851Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the NEW knock sensor seals (1) with clean engine oil.
  2. Install the knock sensor oil seals (1) into the engine valley cover (2).
  3. Fig 2: View Of Engine Valley Cover, Gasket & Bolts
    GM65048Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  4. Install the engine valley cover and a NEW gasket onto the engine block.
  5. Install the engine valley cover bolts.

    Tighten:  Tighten the bolts to 25 N.m (18 lb ft).

  6. Fig 3: View Of Knock Sensors
    GM309864Courtesy of GENERAL MOTORS CORP.
  7. Install the knock sensors.

    Tighten:  Tighten the sensors to 20 N.m (15 lb ft).

  8. Fig 4: View Of Knock Sensor Wire Harness
    GM309859Courtesy of GENERAL MOTORS CORP.
  9. Connect the knock sensor electrical connectors.
  10. Push down on the rubber covers.
  11. Install the intake manifold. Refer to Intake Manifold Replacement .