Camshaft Drive Cassette - LH

Camshaft Drive Cassette - LH













Removal

1. Remove the valve covers. For additional information, refer to Valve Cover - RH Valve Cover - RH and Valve Cover - LH Valve Cover - LH.

2. Remove the fuel rail. For additional information, refer to Fuel Delivery and Air Induction.

3. Remove the engine front cover. For additional information, refer to Engine Front Cover Service and Repair.

4. Remove the thermostat housing. For additional information, refer to Cooling System &/or Engine Block Heater.

5. Remove all of the roller followers. For additional information, refer to Camshaft Roller Follower Camshaft Roller Follower.

6. NOTE: The LH and RH camshafts must be retimed when either camshaft is disturbed.

Turn the crankshaft clockwise to position the No. 1 cylinder at Top Dead Center (TDC).

7. Remove the LH hydraulic chain tensioner.
- Discard the washer.

8. Remove the LH camshaft sprocket bolt.
- Install the Camshaft Sprocket Holding Tool and the Adapter for 303-564 and tighten the bolts to 10 Nm (89 lb-in).

- Remove the LH camshaft sprocket bolt.





9. Using the Crankshaft Holding Tool to prevent the crankshaft from turning, remove the jackshaft sprocket bolt.





10. Remove the 2 bolts and the primary chain tensioner.

11. Remove the primary chain and sprockets as an assembly.





12. Remove the LH cassette upper bolt.

13. Remove the LH cassette lower bolt and the LH cassette.

Installation

1. NOTE: The camshaft chain sprockets must be oriented correctly.

Position the LH cassette.





2. Install the LH cassette lower bolt.
- Tighten to 19 Nm (168 lb-in).

3. Install the LH cassette upper bolt.
- Tighten to 12 Nm (106 lb-in).

4. Install the jackshaft chain and sprockets as an assembly.





5. Install the jackshaft chain tensioner and the 2 bolts.
- Tighten to 9 Nm (80 lb-in).

6. Using the Crankshaft Holding Tool to prevent the crankshaft from turning, tighten the jackshaft sprocket bolt in 2 stages.
- Stage 1: Tighten to 45 Nm (33 lb-ft).

- Stage 2: Tighten an additional 90 degrees.





7. Loosely install the camshaft sprocket bolt.

8. Install the engine front cover. For additional information, refer to Engine Front Cover Service and Repair.

9. NOTE: The LH and RH camshafts must be retimed when either camshaft is disturbed.

NOTE: Install the LH hydraulic chain tensioner during camshaft timing.

Retime the LH and RH camshafts. For additional information, refer to Camshaft Timing Camshaft Timing.

10. Install the camshaft roller followers. For additional information, refer to Camshaft Roller Follower Camshaft Roller Follower.

11. Install the fuel rail. For additional information, refer to Fuel Delivery and Air Induction.

12. Install the valve covers. For additional information, refer to Valve Cover - RH Valve Cover - RH and Valve Cover - LH Valve Cover - LH.

13. Fill and bleed the engine cooling system. For additional information, refer to Cooling System &/or Engine Block Heater.