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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.5L Engine (Service Information) >> Valve Timing >> BELT and SPROCKETS, Timing >> Installation >> Camshaft Sprockets

Camshaft Sprockets

Fig 1: RIGHT CAMSHAFT SPROCKET
GC0081686Courtesy of CHRYSLER LLC
CAUTION: The 3.5L engine is NOT a free-wheeling design. Therefore, care should be taken not to rotate the camshafts or crankshaft with the timing belt removed.
CAUTION: The camshaft sprockets are keyed and not interchangeable from side to side because of the camshaft position sensor pick-up.
  1. Install the right camshaft sprocket onto the camshaft.
  2. Install a NEW  sprocket attaching bolt into place. The 213 mm (8 3/8 in.) bolt is to be installed into the right camshaft and the 255 mm (10 in.) bolt is to be installed into the left camshaft.
  3. Hold the right camshaft sprocket with a 36 mm (1 7/16 in.) box end wrench so that the timing mark (2) does not move while tightening the retaining bolt. Tighten the bolt to 102 N.m (75 ft. lbs.) +90° turn.
    Fig 2: LEFT CAMSHAFT SPROCKET
    GC0081688Courtesy of CHRYSLER LLC
  4. Install the left camshaft sprocket onto the camshaft.
  5. Install a NEW  sprocket attaching bolt into place. The 255 mm (10 in.) bolt is to be installed into the left camshaft and the 213 mm (8 3/8 in.) bolt is to be installed into the right camshaft.
  6. Hold the left camshaft sprocket with a 36 mm (1 7/16 in.) box end wrench so that the timing mark (1) does not move while tightening the retaining bolt. Tighten the bolt to 102 N.m (75 ft. lbs.) +90° turn.
    Fig 3: Upper Radiator Mounting Bolts
    GC0095559Courtesy of CHRYSLER LLC
  7. Tighten the upper radiator mounting bolts (1) and (2) to 12 N.m (106 in. lbs.).
    Fig 4: Radiator Fan Assembly
    GC0079911Courtesy of CHRYSLER LLC
  8. Install the grill closure panels (1).
  9. Install the timing belt and tensioner. See Engine/Valve Timing/BELT and SPROCKETS, Timing - Installation 
  10. Install the front timing belt cover. See Engine/Valve Timing/COVER(S), Engine Timing - Installation .
  11. Connect the negative battery cable and tighten nut to 5 N.m (45 in. lbs.).
  12. Fill cooling system. Refer to Cooling - Standard Procedure
  13. Operate engine until it reaches normal operating temperature. Check cooling system for correct fluid level. Refer to Cooling - Standard Procedure
    NOTE: The Cam/Crank Variation Relearn procedure must be performed anytime there has been a repair/replacement made to a powertrain system, for example: flywheel, valvetrain, camshaft and/or crankshaft sensors or components. Refer to DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure
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