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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-Right >> Rocker Arm >> Installation >> Rocker Arms

Rocker Arms

WARNING: This page is about a different variant/trim than selected.
Fig 1: Using Valve Spring Compressor 10102 To Press Downward On Valve Spring And Install Rocker Arm
GC0051323Courtesy of CHRYSLER LLC
1 - CAMSHAFT
2 - VALVE SPRING COMPRESSOR 10102
CAUTION: Make sure the rocker arms are installed with the concave pocket over the lash adjusters. Failure to do so may cause severe damage to the rocker arms and/or lash adjusters.
NOTE: Coat the rocker arms with clean engine oil prior to installation.
  1. For rocker arm installation on cylinders 3 and 5 Rotate the crankshaft until cylinder #1 is at TDC exhaust stroke.
  2. For rocker arm installation on cylinders 2 and 8 Rotate the crankshaft until cylinder #1 is at TDC compression stroke.
  3. For rocker arm installation on cylinders 4 and 6 Rotate the crankshaft until cylinder #3 is at TDC compression stroke.
  4. For rocker arm installation on cylinders 1 and 7 Rotate the crankshaft until cylinder #2 is at TDC compression stroke.
  5. Using valve spring compressor 10102 press downward on the valve spring, install rocker arm.
  6. Install the cylinder head cover. See INSTALLATION .
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