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Home >> Jeep >> 2007 >> Commander Base, 3.7 K, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.7L Engine (Service Information) >> Valve Timing >> Standard Procedure >> Timing Verification >> Counter Balance Shaft Timing
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Counter Balance Shaft Timing

Fig 1: Camshaft Sprocket V6 Marks (#1 TDC, Exhaust Stroke)
GC0011847Courtesy of CHRYSLER LLC
  1. Ensure that the engine is at TDC with both camshaft sprocket V6 marks (1) in the 12 o'clock position.
    Fig 2: Counterbalance Shaft Alignment Marks
    GC0011846Courtesy of CHRYSLER LLC
    1 - COUNTERBALANCE SHAFT GEAR
    2 - TIMING MARK
    3 - IDLER SPROCKET GEAR
  2. Look down the left cylinder head chain cavity. The timing dot on the counter balance shaft drive gear should be in the 6 o'clock position (2).