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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1072 (Engine Mechanical - 6.6L (2 Of 5)) >> On-Vehicle Repair Instructions >> Engine Front Cover Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Pressure Relief Valve O-Ring
    GM793901Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  1. If necessary, install a NEW pressure relief valve O-ring.
  2. Lubricate the O-ring with engine oil.

    Tighten:  Tighten the valve to 39 N.m (29 lb ft).

    3. Fig 2: Determining Sealant Bead Dimensions
    GM663817Courtesy of GENERAL MOTORS CORP.
  3. Apply a 2-3 mm (1/8 in) wide by 0.5-1.5 mm (1/16 in) high, bead of sealant to the engine front cover sealing surface to the engine block. Refer to Sealers, Adhesives, and Lubricants for the correct part number.
  4. Apply a 2-3 mm (1/8 in) wide by 0.5-1.5 mm (1/16 in) high, bead of sealant to the engine front cover sealing surface to the upper oil pan. Refer to Sealers, Adhesives, and Lubricants for the correct part number.
    5. Fig 3: View Of Engine Front Cover
    GM1336120Courtesy of GENERAL MOTORS CORP.
  5. Install the engine front cover.
  6. Install the engine front cover bolts.

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

    7. Fig 4: View Of Upper Oil Pan To Engine Front Cover Bolts
    GM738866Courtesy of GENERAL MOTORS CORP.
  7. Install the upper oil pan to engine front cover bolts.

    Tighten:  Tighten the bolts to 21 N.m (15 lb ft).

    8. Fig 5: View Of CKP Sensor & Bolt
    GM1336119Courtesy of GENERAL MOTORS CORP.
  8. Install a NEW O-ring to the CKP sensor spacer.
  9. Lubricate the O-ring with clean engine oil.
    IMPORTANT: The crankshaft position sensor spacers are machined with different timing positions. However, if the crankshaft position sensor spacer requires replacement, replace with a grade "C" spacer.
  10. Install the CKP sensor spacer and bolts.

    Tighten:  Tighten the bolts to 10 N.m (89 lb in).

  11. Install a NEW O-ring to the CKP sensor.
  12. Lubricate the O-ring with clean engine oil.
  13. Install the CKP sensor and bolt.

    Tighten:  Tighten the bolt to 10 N.m (89 lb in).

    14. Fig 6: View Of Crankshaft Position Sensor Electrical Connector
    GM1335470Courtesy of GENERAL MOTORS CORP.
  14. Connect the CKP sensor electrical connector.
  15. Install the right wheelhouse panel. Refer to Front Wheelhouse Liner Replacement - Right Side (GMC) or Front Wheelhouse Liner Replacement - Right Side (Chevrolet) .
  16. Install the crankshaft front oil seal. Refer to Crankshaft Front Oil Seal Replacement .
  17. Install the water pump. Refer to Water Pump Replacement (LMM) .
  18. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (w/Single Battery) or Battery Negative Cable Disconnection and Connection (w/Auxiliary Battery) or Battery Negative Cable Disconnection and Connection (w/Dual Batteries) .
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