Special Tools

EN 46330 Timing Belt Tensioner Retaining Pin

1. Remove the radiator support. Refer to Radiator Support Replacement .
2. Remove the engine front cover. Refer to Engine Front Cover Replacement .
3. Remove the valve lifters. Refer to Valve Lifter Replacement .



4. Remove the camshaft sensor bolt and sensor.



5. Rotate the crankshaft until the timing marks (1, 2) on the crankshaft and camshaft sprockets are aligned.



6. Remove the camshaft sprocket bolt (206).




Notice: All camshaft journals are the same diameter, so care must be used in removing or installing the camshaft to avoid damage to the camshaft bearings.

7. Remove the bolts (231) and timing chain tensioner (232).
8. Remove the camshaft sprocket and reposition the timing chain.



9. Remove the camshaft retainer bolts (204) and retainer (203).




Notice: All camshaft journals are the same diameter, so care must be used in removing or installing the camshaft to avoid damage to the camshaft bearings.

10. Install a bolt into the camshaft.
11. Using the bolt as a handle, carefully rotate and pull the camshaft out of the engine block.
12. Clean and inspect the camshaft and bearings. Refer to Camshaft and Bearings Cleaning and Inspection .

Important: If camshaft replacement is required, the valve lifters must also be replaced.

1. Lubricate the camshaft journals and the bearings with clean engine oil.
2. Using the bolt as a handle, carefully install the camshaft into the engine block.
3. Remove the bolt from the front of the camshaft.




Important: Install the retainer with the sealing gasket facing the engine block.

The gasket surface on the engine block should be clean and free of dirt and/or debris.
4. Install the camshaft retainer (203) and bolts (204).

Notice: Refer to Fastener Notice in the Preface section.

5. Tighten the camshaft retainer bolts.

Tighten

•	Tighten the first design hex head bolts (3) to 25 N·m (18 lb ft).

•	Tighten the second design TORX® head bolts (4) to 15 N·m (11 lb ft).

6. Compress the timing chain tensioner guide and install the EN 46330 .



7. Install the timing chain tensioner (232) and bolts (231).

Tighten
Tighten the timing chain tensioner bolts to 25 N·m (18 lb ft).





Important: 

•	Properly locate the camshaft sprocket locating pin with the camshaft sprocket alignment hole.

•	The sprocket teeth and timing chain must mesh.

•	The camshaft and the crankshaft sprocket alignment marks MUST be aligned properly. Locate the camshaft sprocket alignment mark (1) in the 6 o'clock position and the crankshaft sprocket (2) should be located in the 12 o'clock position.

8. If necessary, rotate the camshaft or crankshaft sprockets in order to align the timing marks.



9. Install the camshaft sprocket (205) and the timing chain (208).
10. Install a NEW camshaft sprocket bolt (206).



11. Tighten the camshaft sprocket bolt.

Tighten

1. Tighten the camshaft sprocket bolt a first pass to 75 N·m (55 lb ft).
2. Tighten the camshaft sprocket bolt a final pass, an additional 50 degrees using the .



12. Remove the EN 46330 .



13. Inspect the camshaft sensor O-ring seal. If the O-ring seal is not cut or damaged, it may be reused.
14. Install the valve lifters. Refer to Valve Lifter Replacement .
15. Install the front cover. Refer to Engine Front Cover Replacement .
16. Install the radiator support. Refer to Radiator Support Replacement .