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Installation Procedure

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  1. Install NEW camshaft bearings, if required. Refer to CAMSHAFT BEARING INSTALLATION .
  2. Apply a 5 mm bead of sealant GM U.S. P/N 12378190, or equivalent 20 mm (0.8 in) long to the oil pan to engine block junction, if required.
    Fig 1: Applying Sealant At Oil Pan To Engine Block Junction
    G01970626Courtesy of GENERAL MOTORS CORP.
  3. Install the rear cover and a new gasket, if required.
  4. Install the rear cover bolts until snug, if required.
    Fig 2: Installing Rear Cover
    G01970627Courtesy of GENERAL MOTORS CORP.
  5. Install the oil pan-to-rear cover bolts (1) until snug, if required.
    Fig 3: Installing Oil Pan-To-Rear Cover Bolts
    G01970628Courtesy of GENERAL MOTORS CORP.
  6. Rotate the crankshaft as required until two opposing flywheel bolt holes are parallel to the oil pan surface, if required.
    NOTE: Refer to FASTENER NOTICE .

    Important:  The tapered legs of the alignment tool must enter the rear cover oil seal bore.

  7. Install the J 41476  bolts until snug. Do not overtighten, if required.
    Fig 4: Installing J 41476
    G01970629Courtesy of GENERAL MOTORS CORP.

    Tighten 

    1. 7.1. Tighten the oil pan-to-rear cover bolts to 12 N.m (106 lb in).
    2. 7.2. Tighten the engine rear cover bolts to 25 N.m (18 lb ft).
  8. Remove the J 41476  .
  9. Install a NEW crankshaft rear oil seal, if required. Refer to CRANKSHAFT REAR OIL SEAL INSTALLATION  in Engine Mechanical - 5.7L Unit Repair.
  10. Install the camshaft. Refer to CAMSHAFT INSTALLATION  in Engine Mechanical - 5.7L Unit Repair.
  11. Align the camshaft sprocket alignment mark in the 6 o'clock position.
    Fig 5: Aligning Camshaft Sprocket
    G01970630Courtesy of GENERAL MOTORS CORP.
  12. Install the camshaft sprocket and timing chain.
    Fig 6: Installing Camshaft Sprocket
    G01970631Courtesy of GENERAL MOTORS CORP.
  13. Install the camshaft sprocket bolts.

    Tighten 

    Tighten the camshaft sprocket bolts to 35 N.m (26 lb ft).

  14. Apply a 5 mm bead of sealant GM U.S. P/N 12378190, or equivalent 20 mm (0.8 in) long to the oil pan to engine block junction.
    Fig 7: Applying Sealant At Oil Pan To Engine Block Junction
    G01970632Courtesy of GENERAL MOTORS CORP.
  15. Install the front cover and a new gasket.
  16. Install the front cover bolts until snug.
    Fig 8: Installing Front Cover
    G01970633Courtesy of GENERAL MOTORS CORP.
  17. Install the oil pan-to-front cover bolts (1) until snug.
    Fig 9: Installing Oil Pan-To-Front Cover Bolts
    G01970634Courtesy of GENERAL MOTORS CORP.
  18. Install the J 41476  and crankshaft balancer bolt to the front cover.
    Fig 10: Installing J 41476 And Crankshaft Balancer Bolt
    G01970635Courtesy of GENERAL MOTORS CORP.
  19. Align the tapered legs of the J 41476  with the machined alignment surfaces on the front cover.
  20. Install the crankshaft balancer bolt until snug. Do not overtighten.

    Tighten 

    1. 20.1. Tighten the oil pan-to-front cover bolts to 25 N.m (18 lb ft).
    2. 20.2. Tighten the engine front cover bolts to 25 N.m (18 lb ft).
  21. Remove the J 41476  .
  22. Install a NEW crankshaft front oil seal. Refer to CRANKSHAFT FRONT OIL SEAL INSTALLATION .
  23. Install the valve lifters. Refer to VALVE LIFTER INSTALLATION .
  24. Install the right and left cylinder heads. Refer to CYLINDER HEAD INSTALLATION - RIGHT  and CYLINDER HEAD INSTALLATION - LEFT .
  25. Install the valve rocker arms and push rods. Refer to VALVE ROCKER ARM AND PUSH ROD INSTALLATION .
  26. Install the right and left valve rocker arm covers. Refer to VALVE ROCKER ARM COVER INSTALLATION - RIGHT  and VALVE ROCKER ARM COVER INSTALLATION - LEFT .
  27. Install the coolant air bleed pipe. Refer to COOLANT AIR BLEED PIPE INSTALLATION .
  28. Install the intake manifold. Refer to INTAKE MANIFOLD INSTALLATION .
  29. Install the water pump. Refer to WATER PUMP INSTALLATION .
  30. Install the left and right exhaust manifolds. Refer to EXHAUST MANIFOLD INSTALLATION - LEFT  and EXHAUST MANIFOLD INSTALLATION - RIGHT .
  31. Install the oil level indicator tube. Refer to OIL LEVEL INDICATOR AND TUBE INSTALLATION .
  32. Install the crankshaft balancer. Refer to CRANKSHAFT BALANCER INSTALLATION .
  33. Install the engine assembly. Refer to ENGINE REPLACEMENT  .
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