Coolant Line/Hose: Service and Repair
WATER HOSE AND WATER PIPEREMOVAL AND INSTALLATION [3.8L ENGINE (EXCEPT MIVEC)]
Pre-removal & Post-installation Operation:
Removal Steps 1-9:
REMOVAL SERVICE POINT
[[A]] RADIATOR UPPER HOSE DISCONNECTION
After making mating marks on the radiator hose and hose clamp, disconnect the radiator hose.
INSTALLATION SERVICE POINTS
]]A[[ O-RING INSTALLATION
CAUTION: Do not allow engine oil or other grease to adhere to the O-ring.
Insert the O-ring to the water pipe, and coat the outer portion of the O-ring with water or engine coolant.
]]B[[ ENGINE COOLANT TEMPERATURE SENSOR INSTALLATION
1. Apply the specified sealant to the thread of the engine coolant temperature sensor.
Specified sealant: 3M (TM) AAD Part No.8731 or equivalent
NOTE: Install the engine coolant temperature sensor immediately after applying sealant.
CAUTION: After the installation, until a sufficient period of time (one hour or more) elapses, do not apply the engine oil or water to the sealant application area or start the engine.
2. Tighten the engine coolant temperature sensor to the specified torque.
Tightening torque: 30 ± 9 N-m (22 ± 7 ft-lb)
]]C[[ RADIATOR UPPER HOSE CONNECTION
1. Insert each hose as far as the projection of the thermostat housing.
2. Align the mating marks on the radiator hose and hose clamp, and then connect the radiator hose.
REMOVAL AND INSTALLATION [3.8L ENGINE-MIVEC]
Pre-removal & Post-installation Operation:
Removal Steps 1-13:
REMOVAL SERVICE POINT
[[A]] RADIATOR UPPER HOSE DISCONNECTION
After making mating marks on the radiator hose and hose clamp, disconnect the radiator hose.
INSTALLATION SERVICE POINTS
]]A[[ O-RING INSTALLATION
CAUTION: Do not allow engine oil or other grease to adhere to the O-ring.
Insert the O-ring to the water pipe, and coat the outer portion of the O-ring with water or engine coolant.
]]B[[ ENGINE COOLANT TEMPERATURE SENSOR INSTALLATION
1. Apply the specified sealant to the thread of the engine coolant temperature sensor.
Specified sealant: 3M (TM) AAD Part No.8731 or equivalent
NOTE: Install the engine coolant temperature sensor immediately after applying sealant.
CAUTION: After the installation, until a sufficient period of time (one hour or more) elapses, do not apply the engine oil or water to the sealant application area or start the engine.
2. Tighten the engine coolant temperature sensor to the specified torque.
Tightening torque: 30 ± 9 N-m (22 ± 7 ft-lb)
]]C[[ RADIATOR UPPER HOSE CONNECTION
1. Insert each hose as far as the projection of the thermostat housing.
2. Align the mating marks on the radiator hose and hose clamp, and then connect the radiator hose.
INSPECTION
Water Pipe and Hose Check
Check the water pipe and hose for cracks, damage and clogs. Replace them if necessary.