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Home >> Chrysler >> 2007 >> Pacifica Base, 3.8 L >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.8L Engine (Service Information) >> Cylinder Head >> Arms-Rocker >> Disassembly >> Rocker Arms And Shaft

Rocker Arms And Shaft

Fig 1: Rocker Arm Retainer - Removal
GC0002110Courtesy of CHRYSLER LLC
1 - ADJUSTABLE PLIERS 3 - ROCKER ARM RETAINER
2 - BILLETED ROCKER SHAFT BOLT
CAUTION: Do not attempt to drive the billeted bolt from the rocker shaft. This can damage the rocker arm retainer and bolt assembly.
  1. Remove the rocker arm retainer and bolt by performing the following procedure:
    • Using adjustable pliers, grip the edges of the retainer. See Fig 1.
    • Apply an upward force with a slight rocking motion until the retainer disengages from shaft. See Fig 1.
    Fig 2: Rocker Arms and Shaft
    GC0002111Courtesy of CHRYSLER LLC
    1 - BOLT (ROCKER SHAFT OIL FEED - LONGER LENGTH) 5 - ROCKER ARM - EXHAUST
    2 - SHAFT RETAINER/SPACER - 21.5 mm (0.84 in.) 6 - WASHER
    3 -SHAFT RETAINER/SPACER - 37.5 mm (1.47 in.) 7 - ROCKER ARM - INTAKE (LARGER OFFSET)
    4 - SHAFT RETAINER/SPACER - 40.9 mm (1.61 in.) 8 - ROCKER ARMS LUBRICATION FEED HOLE (POSITION UPWARD & TOWARD VALVE SPRING)
  2. Remove rocker arms. See Fig 2. Identify the component locations for reassembly in original locations.