Camshaft - Installation

CAMSHAFT





1. Lubricate camshaft lobes and camshaft bearing journals and insert the camshaft (1).





2. Install camshaft thrust plate(1).




3. Tighten the bolts to 28 Nm (250 in. lbs.) in the sequence shown.
4. Measure camshaft end playEngine - Specifications. If not within limits install a new thrust plate.





5. Install timing chain (5) and sprockets (1,3) Timing Chain & Sprockets - Installation
6. Install timing chain tensioner (4) and guide (2).





7. Install the oil pump (1) and tighten bolts to 28 Nm (248 in. lbs.)Removal and Replacement





8. Inspect oil pick up tube O-rings and replace as necessary.
9. Install the oil pick up tube (1) and tighten fasteners (2) to 28 Nm (248 in. lbs.).

10. Install the timing chain cover Engine Timing Cover(s) - Installation.
11. Install the oil pan Engine Oil Pan - Installation.

CAUTION: Engines equipped with MDS use both standard roller tappets (2) and deactivating roller tappets (1). The deactivating roller tappets must be used in cylinders 1,4,6,7. The deactivating tappets can be identified by the two holes in the side of the tappet body (3), for the latching pins.

NOTE: Each tappet reused must be installed in the same position from which it was removed. When camshaft is replaced, all of the tappets must be replaced.





12. Install the rear MDS lifter assembly (2) and tighten bolt (1) to 12 Nm (106 in. lbs.).





13. Install the front MDS lifter assembly (2) and tighten bolt (1) to 12 Nm (106 in. lbs.).





14. Install both left and right cylinder heads (4)Cylinder Head - Installation.
15. Install pushrods.
16. Install rocker armsValve Rocker Arm - Installation.





17. Install cylinder head coversCylinder Head Cover(s) - Installation.





18. Install intake manifoldIntake Manifold - Installation.
19. Install the generator (2).
20. Install the power steering pump (3).
21. Install the accessory drive belt (1). Serpentine Accessory Drive Belt - Installation.
22. Install the radiator Engine Cooling Radiator - Installation.
23. Install the air cleaner assembly Air Cleaner Body - Installation.
24. Install the battery negative cable.
25. Refill coolant. Service and Repair
26. Refill engine oil.
27. Start engine and check for leaks.