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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 242 (3.5L Engine (Service Information)) >> Cylinder Head(S) >> Rocker Arm Shaft/ Rocker Arm / Lash Adjuster >> Installation >> Shaft -Rocker Arm

Shaft -Rocker Arm

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Timing Gear Components
GC0015412Courtesy of CHRYSLER LLC
1 - RIGHT CAMSHAFT GEAR ALIGNMENT MARK 7 - LEFT CAMSHAFT GEAR
2 - RIGHT CAMSHAFT GEAR 8 - LEFT CAMSHAFT GEAR ALIGNMENT MARK
3 - CYLINDER HEAD TO INNER TIMING BELT COVER BOLTS - RIGHT 9 - CRANKSHAFT GEAR ALIGNMENT MARK
4 - TIMING BELT 10 - CRANKSHAFT GEAR
5 - WATER PUMP PULLEY 11 - TIMING BELT TENSIONER PULLEY
6 - CYLINDER HEAD TO INNER TIMING BELT COVER BOLTS - LEFT 12 - TIMING BELT TENSIONER
NOTE: Rocker arm and shaft assembly can be installed either prior to or after (preferred) cylinder head installation.
  1. Rotate camshaft gears to the position shown in (1, 8, 9). See Fig 1. With the camshaft gears in these positions the lobes are in a neutral position (no load to the valve). This will allow the rocker arm shaft assembly to be tightened into position with little or no valve spring load on it.
    Fig 2: Rocker Arm & Camshaft Assembly
    GC0001862Courtesy of CHRYSLER LLC
  2. Install the rocker arm and shaft assembly making sure that the identification marks face toward the front of engine for left head and toward the rear of the engine for right head.
  3. Tighten rocker arm/shaft assembly bolts in sequence to 31 N.m (275 in. lbs.). See Fig 2.
  4. Install cylinder head covers. See INSTALLATION .