GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Express - AWD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Engine Front Cover Replacement

Special Tools

J 37228 Seal Cutter

Removal Procedure
  1. Remove the thermostat bypass pipe. Refer to Thermostat Bypass Pipes Replacement.
  2. Remove the turbocharger coolant hoses/pipes - outlet. Refer to Turbocharger Coolant Hoses/Pipes Replacement.
  3. Remove the upper oil pan. Refer to Upper Oil Pan Replacement.
  4. Remove the cooling fan pulley. Refer to Cooling Fan Pulley Removal.
  5. Remove the water pump. Refer to Water Pump Replacement.
  6. Remove the crankshaft balancer. Refer to Crankshaft Balancer Removal.
  7. Remove the engine oil fill tube bolts.
  8. Remove the engine oil fill tube.

    9. Object Number: 1336119 Size: SH
  9. Remove the crankshaft position sensor bolt.
  10. Remove the crankshaft position sensor.

    11. Object Number: 1336120 Size: SH
  11. Remove the engine front cover bolts.
  12. Separate the engine front cover from the cylinder block using J 37228 .
  13. Remove the engine front cover.

Installation Procedure

    Object Number: 793901 Size: SH
  1. Install the relief valve O-ring to the engine front cover.
  2. Lubricate the O-ring with engine oil.

    3. Object Number: 663817 Size: SH
  3. Apply a 2-3 mm wide and 0.5-1.5 mm high bead of sealant to the mating surfaces of the engine front cover. Refer to Adhesives, Fluids, Lubricants, and Sealers for the correct part number.

    4. Object Number: 1336120 Size: SH
  4. Install the engine front cover.

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

  5. Install the engine front cover bolts and tighten to 25 N·m (18 lb ft).

    6. Object Number: 1336119 Size: SH
  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).
  14. Install the engine oil fill tube. Refer to Oil Filler Tube Replacement.
  15. Install the water pump. Refer to Water Pump Replacement.
  16. Install the crankshaft balancer. Refer to Crankshaft Balancer Removal.
  17. Install the cooling fan pulley. Refer to Cooling Fan Pulley Installation.
  18. Install the upper oil pan. Refer to Upper Oil Pan Replacement.
  19. Install the turbocharger coolant hoses/pipes - outlet. Refer to Turbocharger Coolant Hoses/Pipes Replacement.
  20. Install the thermostat bypass pipe. Refer to Thermostat Bypass Pipes Replacement.