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Home >> Jeep >> 2007 >> Commander Limited, 5.7 2, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (3.7L Engine (Service Information)) >> Cylinder Head >> Valves & Seats-Intake/Exhaust >> Removal >> Intake/Exhaust Valves & Seats >> Notes

Intake/Exhaust Valves & Seats: Notes

WARNING: This page is about a different variant/trim than selected.
Fig 1: Removing Rocker Arm
GC0011763Courtesy of CHRYSLER LLC
NOTE: The cylinder heads must be removed in order to perform this procedure.
  1. Remove the cylinder head covers. See REMOVAL .
  2. Remove rocker arms and lash adjusters. See REMOVAL .
  3. Remove the camshaft bearing caps and the camshaft.
    NOTE: All six valve springs and valves are removed in the same manner; this procedure only covers one valve and valve spring.
  4. Using Tool C-3422-B or C-3422-C Valve Spring Compressor and Tool 8519 Adapter (2), compress the valve spring.
    NOTE: It may be necessary to tap the top of the valve spring to loosen the spring retainers locks enough to be removed.
  5. Remove the two spring retainer lock halves.
    NOTE: The valve spring is under tension use care when releasing the valve spring compressor.
  6. Remove the valve spring compressor (2).
  7. Remove the spring retainer, and the spring.
    NOTE: Check for sharp edges on the keeper grooves. Remove any burrs from the valve stem before removing the valve from the cylinder head.
  8. Remove the valve from the cylinder head.
    NOTE: The valve stem seals are common between intake and exhaust.
  9. Remove the valve stem seal. Mark the valve for proper installation.
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