Timing Cover: Service and Repair
Valve Timing Covers
Removing
- Disconnect the negative battery cable.
- Remove the accessory drive belt. Refer to => [ Accessory Drive Belt ] Accessory Drive Belt.
- Drain the cooling system. Refer to => [ Cooling System Draining and Filling ] Cooling System Draining and Filling.
- Raise and suitably support the vehicle.
- Drain the engine oil. Refer to => [ Engine Oil and Filter Change ] Engine Oil and Filter Change.
- Remove the right front wheel.
- Remove the oil pan. Refer to => [ Oil Pan ] Removal and Replacement.
- Remove the oil pick up tube bolt (1) and tube (2).
- Remove the Air Conditioning (A/C) compressor bolts (3) and nuts (4).
- Remove the A/C compressor (1) with the lines attached, and set aside.
- Remove the crankshaft vibration damper. Refer to => [ Vibration Damper ] Service and Repair.
- Remove the lower radiator hose.
- Remove the heater hose from the timing chain cover housing or water pump inlet tube (if engine oil cooler equipped).
- Remove the right side engine mount. Refer to => [ Right Powertrain Mount and Bracket ] Right Powertrain Mount and Bracket.
- Remove the camshaft position sensor from timing chain cover.
- Remove the water pump for cover removal clearance. Refer to => [ Water Pump ] Water Pump.
- Remove the timing chain cover bolts. Remove the timing chain cover.
Installing
- Be sure the mating surfaces of the chain case cover and cylinder block are clean and free from burrs. Crankshaft oil seal must be removed to insure correct oil pump engagement.
• Do not use sealer on cover gasket.
- Position the new gasket on the timing cover. Adhere the new gasket to chain case cover, making sure that the lower edge of the gasket is flush to 0.5 mm (0.020 in) passed the lower edge of the cover.
- Rotate the crankshaft so that the oil pump drive flats are in the vertical position.
Make sure the oil pump is engaged on the crankshaft correctly or severe damage may result.
- Position the oil pump inner rotor so that the mating flats are in the same position as the crankshaft drive flats.
- Install the timing cover.
- Install the timing chain cover bolts. Tighten the M8 bolts to 27 Nm (20 ft lbs) and M10 bolts to 54 Nm (40 ft lbs).
- Install the crankshaft front oil seal. Refer to => [ Front Cover Oil Seal ] Front Cover Oil Seal
- Install the water pump and pulley. Refer to => [ Water Pump ] Water Pump
- Install the crankshaft vibration damper. Refer to => [ Vibration Damper ] Service and Repair.
- Install the right side engine mount. Refer to => [ Rear Powertrain Mount and Bracket ] Rear Powertrain Mount and Bracket.
- Install the camshaft position sensor.
- Connect the heater return hose at rear of timing chain cover or at water pump inlet tube (if engine oil cooler equipped).
- Connect the lower radiator hose.
- Install the A/C compressor (1).
- Install the A/C compressor bolts (3) and nuts (4). Tighten the nuts to 23 Nm (17 ft lbs) and the bolts to 40 Nm (30 ft lbs).
- Install a new O-ring (3) onto the oil pump pick up tube (2) and install the tube. Tighten the bolt (1) to 28 Nm (21 ft lbs).
- Install the oil pan. Refer to => [ Oil Pan ] Removal and Replacement.
- Fill the crankcase with engine oil to proper level.
- Fill the cooling system. Refer to => [ Cooling System Draining and Filling ] Cooling System Draining and Filling.
- Install the accessory drive belt. Refer to => [ Accessory Drive Belt ] Accessory Drive Belt.
- Connect the negative battery cable.