Camshaft Replacement First Design

1. Remove the engine. Refer to Engine Replacement .
2. Remove the crankshaft balancer. Refer to Crankshaft Balancer Removal .
3. Remove the oil level indicator. Refer to Oil Level Indicator and Tube Removal .
4. Remove the left and right exhaust manifolds. Refer to Exhaust Manifold Removal - Left Side and Exhaust Manifold Removal - Right Side .
5. Remove the water pump. Refer to Water Pump Removal .
6. Remove the coolant pump manifold. Refer to Coolant Pump Manifold Replacement .
7. Remove the intake manifold. Refer to Intake Manifold Removal .
8. Remove the valve lifter oil manifold. Refer to Valve Lifter Oil Manifold Removal .
9. Remove the coolant air bleed pipe. Refer to Coolant Air Bleed Pipe Removal .
10. Remove the left and right valve rocker arm covers. Refer to Valve Rocker Arm Cover Removal - Left Side and Valve Rocker Arm Cover Removal - Right Side .
11. Remove the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Removal .
12. Remove the valve lifters. Refer to Valve Lifter Removal .
13. Remove the oil pan-to-front cover bolts.
14. Remove the front cover bolts (501).
15. Remove the front cover (502) and gasket (503).



16. Rotate the crankshaft in order to align the timing marks (1, 2).



17. Remove the camshaft sprocket bolts (206).
18. Remove the camshaft sprocket (205) and timing chain (208).



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



20. Remove the camshaft.

20.1.

Install 3 M8-125 x 100 mm bolts in the camshaft front bolt holes.

20.2.

Using the bolts as a handle, carefully rotate and pull the camshaft out of the engine block.

20.3.

Remove the bolts from the camshaft.

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. Install 3 M8-125 x 100 mm bolts in the NEW camshaft front bolt holes.
3. Using the bolts as a handle, carefully install the NEW camshaft into the engine block.
4. Remove the 3 bolts from the camshaft.

Notice: Refer to Fastener Notice in the Preface section.





Important: 

•	Install the retainer plate with the sealing gasket facing the engine block.

•	The gasket surface on the engine block should be clean and free of dirt or debris.

5. Install the camshaft retainer (203) and bolts (204).

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





Important: 

•	Properly locate the camshaft sprocket onto the locating pin of the camshaft.

•	The sprocket teeth and timing chain teeth must mesh.

•	The camshaft and crankshaft sprocket alignment marks MUST be aligned properly. Position the camshaft sprocket alignment mark in the 6 o'clock position.

6. Install the camshaft sprocket (205) and timing chain (208). If necessary, rotate the camshaft or crankshaft sprocket in order to align the timing marks.
7. Install the camshaft sprocket bolts (206).

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




8. Inspect the camshaft (1) and crankshaft (2) sprockets for proper timing mark alignment.



9. Install the front cover (502) . Refer to Engine Front Cover Installation .
10. Install the oil pan-to-front cover bolts.

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

11. Install the valve lifters. Refer to Valve Lifter Installation .
12. Install the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Installation .
13. Install the left and right valve rocker arm covers. Refer to Valve Rocker Arm Cover Installation - Left Side and Valve Rocker Arm Cover Installation - Right Side .
14. Install the coolant air bleed pipe. Refer to Coolant Air Bleed Pipe Installation .
15. Install the valve lifter oil manifold. Refer to Valve Lifter Oil Manifold Installation .
16. Install the intake manifold. Refer to Intake Manifold Installation .
17. Install the coolant pump manifold. Refer to Coolant Pump Manifold Replacement .
18. Install the water pump. Refer to Water Pump Installation .
19. Install the left and right exhaust manifolds. Refer to Exhaust Manifold Installation - Left Side and Exhaust Manifold Installation - Right Side .
20. Install the oil level indicator. Refer to Oil Level Indicator and Tube Installation .
21. Install the crankshaft balancer. Refer to Crankshaft Balancer Installation .
22. Install the engine. Refer to Engine Replacement .

Camshaft Replacement Second Design

1. Remove the engine. Refer to Engine Replacement .
2. Remove the crankshaft balancer. Refer to Crankshaft Balancer Removal .
3. Remove the oil level indicator. Refer to Oil Level Indicator and Tube Removal .
4. Remove the left and right exhaust manifolds. Refer to Exhaust Manifold Removal - Left Side and Exhaust Manifold Removal - Right Side .
5. Remove the water pump. Refer to Water Pump Removal .
6. Remove the coolant pump manifold. Refer to Coolant Pump Manifold Replacement .
7. Remove the intake manifold. Refer to Intake Manifold Removal .
8. Remove the valve lifter oil manifold. Refer to Valve Lifter Oil Manifold Removal .
9. Remove the coolant air bleed pipe. Refer to Coolant Air Bleed Pipe Removal .
10. Remove the left and right valve rocker arm covers. Refer to Valve Rocker Arm Cover Removal - Left Side and Valve Rocker Arm Cover Removal - Right Side .
11. Remove the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Removal .
12. Remove the valve lifters. Refer to Valve Lifter Removal .
13. Remove the oil pan-to-front cover bolts.
14. Remove the front cover. Refer to Engine Front Cover Removal .
15. 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.

16. Remove the camshaft.

16.1.

Install the camshaft sprocket bolt into the camshaft front bolt hole.

16.2.

Using the bolt as a handle, carefully rotate and pull the camshaft out of the engine block.

16.3.

Remove the bolt from the front of the camshaft.

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. Install the camshaft sprocket bolt into the camshaft front bolt hole.

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.

3. Using the bolt as a handle, carefully install the camshaft into the engine block.
4. Remove the bolt from the front of the camshaft.




Important: The gasket surface on the engine block should be clean and free of dirt or debris.

5. Install the camshaft retainer (203) and the bolts (204). Install the retainer with the sealing gasket facing the front of the engine block.

Notice: Refer to Fastener Notice in the Preface section.




6. 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).

7. Install the front cover. Refer to Engine Front Cover Installation .
8. Install the oil pan-to-front cover bolts.

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

9. Install the valve lifters. Refer to Valve Lifter Installation .
10. Install the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Installation .
11. Install the left and right valve rocker arm covers. Refer to Valve Rocker Arm Cover Installation - Left Side and Valve Rocker Arm Cover Installation - Right Side .
12. Install the coolant air bleed pipe. Refer to Coolant Air Bleed Pipe Installation .
13. Install the valve lifter oil manifold. Refer to Valve Lifter Oil Manifold Installation .
14. Install the intake manifold. Refer to Intake Manifold Installation .
15. Install the coolant pump manifold. Refer to Coolant Pump Manifold Replacement .
16. Install the water pump. Refer to Water Pump Installation .
17. Install the left and right exhaust manifolds. Refer to Exhaust Manifold Installation - Left Side and Exhaust Manifold Installation - Right Side .
18. Install the oil level indicator. Refer to Oil Level Indicator and Tube Installation .
19. Install the crankshaft balancer. Refer to Crankshaft Balancer Installation .
20. Install the engine. Refer to Engine Replacement .