Coolant Line/Hose: Service and Repair
WATER HOSE AND WATER PIPEREMOVAL AND INSTALLATION [2.4L ENGINE]
WATER HOSE AND WATER PIPE 2.4L ENGINE:
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-RINGS INSTALLATION
CAUTION: Do not let the O-ring get contaminated with grease or engine oil.
Fit an O-ring into the groove of the water inlet pipe and apply water or coolant to the circumference of the O-ring or the inside of the mounting surface of the water pump or thermostat case for insertion.
]]B[[ THERMOSTAT CASE/WATER OUTLET FITTING INSTALLATION
1. Use a gasket scraper or wire brush to completely eliminate all gasket material on the gasket mounting surface.
2. Apply a bead of the sealant to the cylinder head mating surface of the thermostat case as shown.
Specified Sealant: 3M(TM) AAD Part No. 8672, 3M(TM) AAD Part No. 8679/8678 or equivalent
3. Apply sealant to the thread of the thermostat case bolts as shown.
Specified Sealant: 3M(TM) AAD Part No. 8730, 8731 or equivalent
4. With the sealant still wet (within 15 minutes after the sealant is applied), install the thermostat case. Do not apply the sealant in an area more than the required.
]]C[[ RADIATOR UPPER HOSE CONNECTION
1. Insert each hose as far as the projection of the water outlet fitting.
2. Align the mating marks on the radiator hose and hose clamp, and then connect the radiator hose.
REMOVAL AND INSTALLATION <3.8L ENGINE (EXCEPT MIVEC)>
WATER HOSE AND WATER PIPE 3.8L ENGINE (EXCEPT MIVEC):
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
Apply the specified sealant to the thread of the engine coolant temperature sensor, and then tighten it to the specified torque.
Specified Sealant: 3M(TM) AAD Part No. 8731 or equivalent
]]C[[ RADIATOR UPPER HOSE CONNECTION
1. Insert each hose as far as the projection of the water outlet fitting.
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>
WATER HOSE AND WATER PIPE 3.8L ENGINE - MIVEC:
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
Apply the specified sealant to the thread of the engine coolant temperature sensor, and then tighten it to the specified torque.
Specified Sealant: 3M(TM) AAD Part No. 8731 or equivalent
]]C[[ RADIATOR UPPER HOSE CONNECTION
1. Insert each hose as far as the projection of the water outlet fitting.
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.