Timing Cover: Service and Repair
Engine Front Cover Replacement
Special Tools
EN-46109 - Engine Front Cover Installation Guide Pins
For equivalent regional tools, refer to Special Tools Special Tools.
Removal Procedure
1. Remove the intake manifold. Refer to Intake Manifold Replacement Intake Manifold Replacement.
2. Remove the camshaft covers. Refer to Camshaft Cover Replacement - Left Side Camshaft Cover Replacement - Left Side and Camshaft Cover Replacement - Right Side Camshaft Cover Replacement - Right Side.
3. Drain the engine coolant. Refer to Cooling System Draining and Filling Cooling System Draining and Filling.
4. Disconnect the purge vent hose from the water outlet.
5. Remove the water outlet with the radiator hose and reposition aside. Refer to Water Outlet Replacement Service and Repair.
6. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement Service and Repair.
7. Remove the camshaft position sensors. Refer to Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust , Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake , Camshaft Position Sensor Replacement - Bank 1 (Right Side) Exhaust Camshaft Position Sensor Replacement - Bank 1 (Right Side) Exhaust and Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake.
8. Remove the generator. Refer to Generator Replacement Service and Repair.
9. Remove the water pump pulley only.
10. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement Service and Repair.
11. Remove the camshaft position actuator solenoid valves from the front cover. Refer to Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Intake Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Intake , Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Exhaust Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Exhaust , Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Intake Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Intake , and Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Exhaust Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Exhaust.
Note:
There are a total of 22 M8 bolts that must be removed and 3 optional M12 bolts that may need to be removed before the front cover will separate from the engine block.
12. Remove the engine front cover with the water pump. Refer to Engine Front Cover Removal Engine Front Cover Removal.
13. Disassemble the engine front cover. Refer to Engine Front Cover Disassemble Engine Front Cover Disassemble.
Note:
Do NOT use sharp and/or metal gasket scrapers in order to clean the sealing surfaces.
14. Carefully clean the engine front cover sealing surfaces. Refer to Engine Front Cover Cleaning and Inspection Engine Front Cover Cleaning and Inspection.
Note:
Insert a piece of cardboard between the oil pan front and the oil pump in order to prevent any contaminants from falling into the oil pan.
15. Carefully clean the engine front cover sealing surfaces. Refer to Engine Front Cover Cleaning and Inspection Engine Front Cover Cleaning and Inspection.
16. Use compressed air in order to remove any engine coolant from the engine cooling passages and from the top of the oil pan scraper (windage tray).
Installation Procedure
1. Assemble the engine front cover. Refer to Engine Front Cover Assemble Engine Front Cover Assemble.
2. Use the EN-46109 - pins in order to install the engine front cover. Refer to Engine Front Cover Installation Engine Front Cover Installation.
3. Install the camshaft position actuator solenoid valves to the front cover. Refer to Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Intake Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Intake , Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Exhaust Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Exhaust , Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Intake Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Intake , and Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Exhaust Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Exhaust.
4. Install the camshaft position sensors. Refer to Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust , Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake , Camshaft Position Sensor Replacement - Bank 1 (Right Side) Exhaust Camshaft Position Sensor Replacement - Bank 1 (Right Side) Exhaust and Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake.
5. Install the crankshaft balancer. Refer to Crankshaft Balancer Installation Crankshaft Balancer Installation.
6. Install the generator bracket with the generator and the belt tensioner. Refer to Generator Replacement Service and Repair.
7. Install the water outlet. Refer to Water Outlet Replacement Service and Repair.
8. Install the purge vent hose to the water outlet.
9. Fill the cooling system. Refer to Cooling System Draining and Filling Cooling System Draining and Filling.
10. Install the water pump pulley.
11. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement Service and Repair.
12. Install the camshaft covers. Refer to Camshaft Cover Replacement - Left Side Camshaft Cover Replacement - Left Side and Camshaft Cover Replacement - Right Side Camshaft Cover Replacement - Right Side.
13. Install the intake manifold. Refer to Intake Manifold Replacement Intake Manifold Replacement.
14. Fill the cooling system. Refer to Cooling System Draining and Filling Cooling System Draining and Filling.