Timing Chain & Sprockets - Removal

REMOVAL





1. Disconnect the negative battery cable.
2. Drain the cooling system.
3. Remove the timing chain cover Engine Timing Cover(s) - Removal
4. Verify the slide bushings (1) remain installed in the timing chain cover during removal.





5. Install the vibration damper bolt finger tight. Using a suitable socket and breaker bar, rotate the crankshaft to align the timing chain plated links with the timing marks on the sprockets as shown.

CAUTION: The camshaft pin and the slot in the cam sprocket must be clocked at 12:00 (2). The crankshaft keyway must be clocked at 2:00 (3). The crankshaft sprocket must be installed so that the dots and or paint marking is at 6:00.






6. Remove the oil pump Engine Oil Pan - Removal





7. Retract the chain tensioner arm (1) until the hole in the arm lines up with the hole in the bracket (2).





8. Install the Tensioner Pin 8514 (1) into the holes in the chain tensioner (2).





9. Remove the camshaft sprocket retaining bolt and remove the timing chain with the camshaft and crankshaft sprockets (2, 3).

NOTE: Inspect the timing chain tensioner and timing chain guide shoes for wear and replace as necessary.

10. If the timing chain tensioner (1) is being replaced, remove the retaining bolts and remove the chain tensioner.
11. If the timing chain guide is being replaced, remove the retaining bolts and remove the timing chain guide.