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Cylinder Head: Installation

WARNING: This page is about a different variant/trim than selected.
Fig 1: Exhaust Manifold Gasket Bolt Tightening Sequence
GC0148465Courtesy of CHRYSLER GROUP, LLC
NOTE:

Left side shown, right side similar.

  1. If removed, using a new exhaust manifold gasket, position the exhaust manifold and install the retaining bolts finger tight.
  2. Using the sequence shown, tighten the retaining bolts to the proper specifications. Refer to TORQUE SPECIFICATIONS  .
    GC0148464Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    The cylinder head gaskets (1) are not interchangeable between left and right sides. They are marked "UP" to indicate direction to face up and "L" or "R" to indicate left side or right side of engine block.

    NOTE:

    Left side shown, right side similar.

  3. Clean all sealing surfaces of the engine block and the cylinder head(s) (2).
    NOTE:

    Rotate crankshaft 45° so that all pistons are 1/2 the way down the cylinder bore to avoid piston to valve contact.

  4. Position the new cylinder head gasket(s) (1) onto the engine block.
  5. Position the cylinder head(s) (2) onto the engine block.
  6. Install the cylinder head bolts finger tight.
    CAUTION:

    The 6.4L engine uses a unique 4 layer steel head gasket that must be compressed evenly and completely across the deck surface for proper sealing. The tightening sequence must be followed to ensure all layers are compressed before applying the additional 90 degree turn.

    GC0088039Courtesy of CHRYSLER GROUP, LLC
  7. Using the sequence below, tighten the retaining bolts.
    1. Using the sequence shown, tighten bolts 1-10 to 34 N.m (25 ft. lbs.).
    2. Using the sequence shown, tighten bolts 11-15 to 20 N.m (15 ft. lbs.).
    3. Using the sequence shown, tighten bolts 1-10 to 54 N.m (40 ft. lbs.).
    4. Using the sequence shown, verify bolts 11-15 are 20 N.m (15 ft. lbs.).
    5. Using the sequence shown, tighten bolts 1-10 to 61 N.m (45 ft. lbs.).
    6. Using the sequence shown, rotate bolts 1-10 an additional 90 degrees.
    7. Using the sequence shown, tighten bolts 11-15 to 34 N.m (25 ft. lbs.).
    GC0088038Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    Pushrods and rocker arm assemblies must be installed in their original locations or engine damage could result.

  8. Install the pushrods and rocker arms. Refer to ROCKER ARM, VALVE, INSTALLATION .
  9. If removed, install the oil dip stick tube and tighten the retaining nut at the exhaust manifold.
    Fig 2: Cylinder Head Cover Bolt Tightening Sequence
    GC0080292Courtesy of CHRYSLER GROUP, LLC
  10. Position the cylinder head covers, using the sequence shown, tighten the cylinder head cover bolts to the proper specifications. Refer to TORQUE SPECIFICATIONS  .
    GC0118256Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    Do not let the tensioner arm snap back to the freearm position, severe damage may occur to the tensioner.

  11. Rotate the accessory drive belt tensioner (8) clockwise until it contacts it's stop, install the accessory drive belt (2), then slowly release the tensioner into position. Refer to 5.7L/6.4L
    GC0080046Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Left side shown, right side similar.

  12. Raise and support the vehicle.
  13. Install the catalytic converters. Refer to 5.7L/6.4L
    GC0095566Courtesy of CHRYSLER GROUP, LLC
  14. Lower the vehicle.
  15. Connect the heater hoses (1, 2).
  16. Install the intake manifold and throttle body as an assembly. Refer to MANIFOLD, INTAKE, INSTALLATION .
  17. Connect the fuel supply line.
    GC0148445Courtesy of CHRYSLER GROUP, LLC
  18. Install the engine covers (1).
    GC0139402Courtesy of CHRYSLER GROUP, LLC
  19. Fill cooling system. Refer to COOLANT SYSTEM AIR EVACUATION
  20. Connect the negative battery cable (1).
  21. Start engine check for leaks.
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