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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (6.4L Engine (Service Information)) >> Cylinder Head >> Valves, Intake And Exhaust >> Removal

Valves, Intake And Exhaust: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect and isolate the negative battery cable.
  2. Remove the cylinder head. Refer to CYLINDER HEAD, REMOVAL .
    GC0080298Courtesy of CHRYSLER GROUP, LLC
  3. Compress the valve springs using the valve spring compressor (special tool #C-3422-D, Compressor, Valve Spring) and adapter (special tool #8464, Adapter, Valve Spring).
  4. Remove the valve spring retainer locks (1), valve spring retainers (2), valve stem seals (3) and valve springs (6).
  5. Before removing the valves, remove any burrs from the valve spring retainer lock grooves in the valve stems (4) to prevent damage to the valve guides. Identify the valves to ensure installation in their original location.
  6. Remove the valves (4, 5).
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