Intake Camshaft Replacement
Intake Camshaft Replacement
Special Tools
* EN-45059 - Angle Meter
* EN-48749 - Timing Chain Retention Tool
* EN-48953 - Camshaft Actuator Locking Tool
For equivalent regional tools, refer to Special Tools (LDK, LHU) Tools and Equipment.
Removal Procedure
1. Remove the dash upper extension panel opening cover. Refer to Dash Upper Extension Panel Opening Cover Replacement Service and Repair.
2. Remove the spark plugs. Refer to Spark Plug Replacement Service and Repair.
3. Remove the camshaft cover. Refer to Camshaft Cover Replacement Service and Repair.
4. Remove the upper timing chain guide. Refer to Timing Chain Upper Guide Replacement Timing Chain Upper Guide Replacement.
5. Remove the front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement Service and Repair.
6. Remove the fuel pump. Refer to Fuel Pump Replacement Fuel Pump Replacement.
7. Remove the 3 rear bearing block bolts (1) and remove the rear bearing block (2).
8. Rotate the crankshaft clockwise at the crankshaft balancer bolt and install the EN-48953 - locking tool (1) to the camshafts.
Caution: Refer to Fastener Caution Fastener Caution.
9. Install the EN-48953 - locking tool bolts and tighten to 10 Nm (89 lb in).
10. Loosen, but DO NOT remove, the camshaft position intake actuator bolt (1).
11. Loosen, but DO NOT remove, the camshaft position exhaust actuator bolt (1) from the exhaust camshaft actuator (2).
12. Remove the EN-48953 - locking tool.
13. Rotate the crankshaft clockwise at the crankshaft balancer bolt to the TDC of combustion stroke of cylinder 1.
Note: Ensure the timing chain and the camshaft position actuators are marked for proper assembly.
14. Mark both camshaft actuators and their respective locations on the timing chain (1). Mark additional the position from the camshaft actuator to the camshaft bearing cover (2).
15. Remove the timing chain tensioner. Refer to Timing Chain Tensioner Replacement Service and Repair.
16. Install the EN-48749 - retention tool (1) to the intake side of the timing chain.
17. Install the EN-48749 - retention tool (1) to the exhaust side of the timing chain.
18. Remove and DISCARD the camshaft position intake actuator bolt (1).
19. Remove the intake camshaft actuator from the camshaft while also removing the actuator from the timing chain.
20. Remove and DISCARD the camshaft position exhaust actuator bolt.
21. Remove the exhaust camshaft actuator from the camshaft while also removing the actuator from the timing chain.
22. Mark the bearing caps to ensure they are installed in the original position.
Note: Remove each bolt on each cap one turn at a time until there is no spring tension pushing on the camshaft.
23. Remove the 10 bearing cap bolts (1).
24. Remove the 5 bearing caps (2).
25. Remove the intake camshaft (3).
Installation Procedure
1. Install the intake camshaft (3).
Caution: Refer to Fastener Caution Fastener Caution.
2. Install the 5 bearing caps (2).
3. Install the 10 bearing cap bolts (1) and hand tighten.
4. Tighten the bearing cap bolts in increments of 3 turns until they are seated.
5. When all the bearing caps are seated, tighten the bolts to 10 Nm (89 lb in).
Note: Ensure the timing chain and the camshaft position actuators are on their marked points.
Ensure that the exhaust camshaft actuator fully fits in the exhaust camshaft.
6. Install the intake camshaft actuator (2) to the camshaft while also installing the actuator at the timing chain.
7. Install the exhaust camshaft actuator (2) to the camshaft while also installing the actuator at the timing chain.
8. Rotate the intake camshaft with a open ended wrench to install the camshaft intake actuator on the marked points.
9. Install the NEW camshaft position intake actuator bolt (1) and hand tighten.
10. Rotate the exhaust camshaft with a open ended wrench (1) to install the camshaft exhaust actuator on the marked points.
11. Install the NEW camshaft position exhaust actuator bolt hand tighten.
12. Remove both EN-48749 - retention tool from the timing chain.
13. Reset and install the timing chain tensioner. Refer to Timing Chain Tensioner Replacement Service and Repair.
14. Rotate the crankshaft clockwise at the crankshaft balancer bolt and install the EN-48953 - locking tool (1) to the camshafts.
15. Install the EN-48953 - locking tool bolts and tighten to 10 Nm (89 lb in).
Caution: Refer to Torque-to-Yield Fastener Caution Torque-to-Yield Fastener Caution.
16. Tighten the intake camshaft actuator bolt a first pass to 30 Nm (22 lb ft).
17. Tighten the intake camshaft actuator bolt a final pass to an additional 100 degrees, using the EN-45059 - meter.
Caution: Refer to Torque-to-Yield Fastener Caution Torque-to-Yield Fastener Caution.
18. Tighten the exhaust camshaft actuator bolt a first pass to 30 Nm (22 lb ft).
19. Tighten the exhaust camshaft actuator bolt a final pass to an additional 100 degrees, using the EN-45059 - meter.
20. Remove the EN-48953 - locking tool.
21. Install the rear bearing block (2) and tighten the 3 rear bearing block bolts (1) to 12 Nm (106 lb in).
22. Rotate the crankshaft clockwise at the crankshaft balancer bolt to 720 degrees and ensure that the marks are still fit. If the marks are not fit, refer to Camshaft Timing Chain, Sprocket, and Tensioner Replacement Camshaft Timing Chain, Sprocket, and Tensioner Replacement.
23. Install the fuel pump. Refer to Fuel Pump Replacement Fuel Pump Replacement.
24. Install the front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement Service and Repair.
25. Install the upper timing chain guide. Refer to Timing Chain Upper Guide Replacement Timing Chain Upper Guide Replacement.
26. Install the spark plugs. Refer to Spark Plug Replacement Service and Repair.
27. Install the camshaft cover. Refer to Camshaft Cover Replacement Service and Repair.
28. Install the dash upper extension panel opening cover. Refer to Dash Upper Extension Panel Opening Cover Replacement Service and Repair.