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Home >> Jeep >> 2008 >> Commander Base, 3.7 K, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (4.7L Engine (Service Information)) >> Cylinder Head-Left >> Valve Springs >> Removal >> Valve Springs And Seals

Valve Springs And Seals

WARNING: This page is about a different variant/trim than selected.
Fig 1: Using Special Tool 8516 Rocker Arm Remover To Remove Rocker Arms And Hydraulic Lash Adjusters
GC0058592Courtesy of CHRYSLER LLC
1 - CAMSHAFT
2 - SPECIAL TOOL 8516
  1. Remove the cylinder head cover. See REMOVAL .
  2. Using Special Tool 8516 Rocker Arm Remover (2), remove the rocker arms and the hydraulic lash adjusters.
  3. Remove the spark plug for the cylinder the valve spring and seal are to be removed from.
  4. Apply shop air to the cylinder to hold the valves in place when the spring is removed
    NOTE: All eight valve springs and seals are removed in the same manner; this procedure only covers one valve seal and valve spring.
  5. Using Special Tool 8426 Valve Spring Compressor, 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.
  6. Remove the two spring retainer lock halves.
    NOTE: The valve spring is under tension use care when releasing the valve spring compressor.
  7. Remove the valve spring compressor.
  8. Remove the spring retainer, and the spring.
  9. Remove the valve stem seal.
NOTE: The valve stem seals are common between intake and exhaust.
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