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Home >> Jeep >> 2008 >> Commander Base, 4.7 N, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (3.7L Engine (Service Information)) >> Cylinder Head >> Arm-Rocker >> Removal >> Rocker Arms

Rocker Arms

WARNING: This page is about a different variant/trim than selected.
Fig 1: Using Remover/Installer 8516 To Press Downward On Valve Spring & Remove Rocker Arm
GC0011767Courtesy of CHRYSLER LLC
NOTE: Disconnect the battery negative cable to prevent accidental starter engagement.
  1. Remove the cylinder head cover. See REMOVAL 
  2. For rocker arm removal on cylinder No. 4, Rotate the crankshaft until cylinder No. 1 is at BDC intake stroke.
  3. For rocker arm removal on cylinder No. 1, Rotate the crankshaft until cylinder No. 1 is at BDC combustion stroke.
  4. For rocker arm removal on cylinders No. 3 and No. 5, Rotate the crankshaft until cylinder No. 1 is at TDC exhaust stroke.
  5. For rocker arm removal on cylinders No. 2 and No. 6, Rotate the crankshaft until cylinder No. 1 is at TDC ignition stroke.
  6. Using the Remover/Installer 8516 (2), press downward on the valve spring, remove rocker arm.
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