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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 27 (5.7L Engine (Service Information)) >> Cylinder Head >> Spring(S), Valve >> Removal

Spring(S), Valve: Removal

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  1. Disconnect the negative battery cable.
  2. Remove the rocker arm shaft bolts and remove the rocker arm shaft. Refer to ROCKER ARM, VALVE, REMOVAL .
  3. Install the rocker arm shaft adapter (special tool #9065C, Compressor, Valve Spring) (1).
  4. Insert an air hose (2) into the spark plug hole and charge the cylinder with air.
    GC0095600Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    A fulcrum assembly (1) must be rotated to the appropriate setting as marked on the tool for proper valve spring alignment.

    NOTE:

    All valve springs and seals are removed in the same manner.

    NOTE:

    Tap the top of the valve spring retainer to loosen the spring retainers locks.

  5. Install Valve Spring Compressor (special tool #9065C, Compressor, Valve Spring) (1) and remove the intake valve retainer locks.
  6. Release the valve spring compressor and remove the valve springs.
    GC0095601Courtesy of CHRYSLER GROUP, LLC
  7. Install Valve Spring Compressor (special tool #9065C, Compressor, Valve Spring) (2) and the rocker arm Adapter (special tool #9065C, Compressor, Valve Spring) (1) and remove the exhaust valve retainer locks.
  8. Release the valve spring compressor and remove the valve spring.
    NOTE:

    The valve springs are interchangeable between the intake and exhaust valves.

  9. Remove the valve seal.