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Home >> Chevrolet >> 2012 >> Tahoe PPV >> Repair and Diagnosis >> External Pages >> Different car >> Section 1677 (Engine Mechanical - 6.6L (LMM) - Repair Instructions - Off Vehicle (2 Of 3)) >> Engine Front Cover Installation

Engine Front Cover Installation

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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.
  1. Install the relief valve O-ring to the engine front cover.
  2. Lubricate the O-ring with engine oil.
    3. Fig 2: Determining Sealant Bead Dimensions
    GM663817Courtesy of GENERAL MOTORS CORP.
  3. Apply a 2-3 mm wide and 0.5-1.5 mm high bead of GM P/N 12378521 (Canadian P/N 88901148) sealant to the mating surfaces of the engine front cover.
    4. Fig 3: View Of Engine Front Cover
    GM1336120Courtesy of GENERAL MOTORS CORP.
  4. Install the engine front cover.
    5. CAUTION: Refer to Fastener Caution .
  5. Install the engine front cover bolts and tighten to 25 N.m (18 lb ft).
    6. Fig 4: View Of CKP Sensor & Bolt
    GM1336119Courtesy of GENERAL MOTORS CORP.
  6. Install a new O-ring to the crankshaft position sensor spacer.
  7. Lubricate the O-ring with engine oil.
  8. Install the crankshaft position sensor spacer.
  9. Install the crankshaft position sensor spacer bolts and tighten to 10 N.m (89 lb in).
  10. Install a new O-ring to the crankshaft position sensor.
  11. Lubricate the O-ring with engine oil.
  12. Install the crankshaft position sensor.
  13. Install the crankshaft position sensor bolt and tighten to 10 N.m (89 lb in).
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