Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 2010 >> Malibu V6-3.6L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Timing Components >> Timing Cover >> Service and Repair

Timing Cover: Service and Repair




Engine Front Cover Replacement

Special Tools
* EN 46109 Guide Pin Set
* EN-48383 Camshaft Retaining Tools
* EN-48589 Crankshaft Rotational Socket

Removal Procedure

1. Remove the lower intake manifold. Refer to Lower Intake Manifold Replacement (Lower 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. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement (Service and Repair).
5. Remove the water pump. Refer to Water Pump Replacement (Service and Repair).
6. Remove the power steering pump and position aside. Refer to Power Steering Pump Replacement (Power Steering Pump Replacement).
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 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).
9. Remove the generator. Refer to Generator Replacement (Generator Replacement).
10. Remove the water outlet housing. Refer to Engine Coolant Thermostat Replacement (Service and Repair).
11. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement (Service and Repair).
Clean the front cover of the components first before installing a support fixture.
12. Remove the right side engine mount bracket. refer to Engine Mount Bracket Replacement - Right Side (Engine Mount Bracket Replacement - Right Side).
13. Insert a block of hard wood between the frame and the engine. Lower the engine onto the block of wood.





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.

14. Remove the engine front cover. Refer to Engine Front Cover Removal (16. Engine Front Cover Removal).




15. Using the EN-48589, rotate the crankshaft until the left cylinder head camshafts align with the EN-48383 and the right cylinder head camshafts align with the EN-48383.




16. Install the EN-48383 to the right camshafts.




17. Install the EN-48383 to the left camshafts.

Installation Procedure




1. Install engine front cover. refer to Engine Front Cover Installation (122. Engine Front Cover Installation).
2. Install the engine oil pan. Refer to Oil Pan Replacement (Service and Repair).
3. Install the engine coolant thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement (Service and Repair).
4. Reinstall the engine support fixture. Refer to Engine Support Fixture (Engine Support Fixture).
5. Remove the engine mount bracket. Refer to Engine Mount Bracket Replacement - Right Side (Engine Mount Bracket Replacement - Right Side).
6. 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).
7. 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).
8. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement (Service and Repair).
9. Install the power steering pump. Refer to Power Steering Pump Replacement (Power Steering Pump Replacement).
10. Install the water pump. Refer to Water Pump Replacement (Service and Repair).
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 lower intake manifold. Refer to Lower Intake Manifold Replacement (Lower Intake Manifold Replacement).
14. Refill the engine coolant. Refer to Cooling System Draining and Filling (Cooling System Draining and Filling).

pro multis · About Operation CHARM