Timing Components Service and Repair

Timing Drive Components Removal 1. Remove the engine front cover. 2. CAUTION: This pulse wheel is used with several difference engines. Install the pulse wheel with the keyway in the slot stamped 30 or 30 RFF only (orange in color). Remove the ignition pulse wheel. 3. Install the damper bolt. 4. NOTE: LH shown, RH similar. Remove the LH and RH spark plugs. 5. Rotate the crankshaft clockwise to position the crankshaft keyway in the 11 o'clock position and position the camshafts in the correct position. This will position the number one cylinder at Top Dead Center (TDC). ^ Verify that the camshafts are correctly located. If not, rotate the crankshaft one additional turn and recheck. 6. Rotate the crankshaft clockwise 120 degrees to the 3 o'clock position to locate the RH camshafts in the neutral position. 7. Verify that the RH camshafts are in the neutral position. 8. Remove the RH timing chain tensioner arm. 1 Remove the bolts. 2 Remove the tensioner. 3 Remove the tensioner arm. 9. Remove the bolts, RH timing chain guide and the timing chain. 10. Rotate the crankshaft clockwise 600 degrees (1-2/3 turns) to position the crankshaft keyway in the 11 o'clock position. This will position the LH camshafts in the neutral position. 11. Verify that the LH camshafts are in the neutral position. 12. Remove the LH timing chain and tensioner arm. 1 Remove the bolts. 2 Remove the tensioner. 3 Remove the tensioner arm.

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