Camshaft Primary Drive Chain

CAMSHAFT PRIMARY DRIVE CHAIN

REMOVE OR DISCONNECT
1. Remove engine assembly and put on engine stand or remove powertrain assembly.
2. Remove serpentine drive belt, idler pulley and belt tensioner if not done previously.
3. Remove front cover and Oil pump.
4. Remove cam covers.
5. Align all timing marks first.
6. Remove three timing chain tensioners.
7. Remove camshaft sprocket bolt from all four camshafts and remove sprockets.
8. Remove secondary drive chains from around intermediate shaft sprocket.

Primary Drive Chain:

9. Remove one bolt from intermediate shaft sprocket and slide gears and primary drive chain off crankshaft and intermediate shaft.
10. Intermediate shaft need not be removed unless wear is evident.

INSTALL OR CONNECT
1. Retime camshafts as described in this section under heading SETTING CAMSHAFT TIMING.
2. Oil pump.
3. Cam covers.
4. Idler pulley, belt tensioner and drive belt.
5. Engine assembly or powertrain assembly.