Coolant Line/Hose: Service and Repair

WATER HOSE AND WATER PIPE

REMOVAL AND INSTALLATION [2.4L ENGINE]

Pre-removal & Post-installation Operation:

Removal Steps 1-13:

REMOVAL SERVICE POINT

[A] RADIATOR UPPER HOSE DISCONNECTION





Make mating marks on the radiator upper hose and the hose clip as shown to install them in the original position. Disconnect the radiator upper 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 or water outlet fitting as shown.
Specified sealant: 3M(TM) AAD Part No.8672, 3M(TM) AAD Part No.8679/8678 or equivalent

NOTE: Install the thermostat case or water outlet fitting immediately after applying sealant.





3. Apply sealant to the thread of the thermostat case mounting bolt as shown.
Specified sealant: 3M(TM) AAD Part No.8730, 8731 or equivalent

NOTE: Install the thermostat case mounting bolt 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.

4. Tighten the mounting bolts to the specified torque.
Tightening torque:
[Thermostat case] 24 ± 4 Nm (18 ± 3 ft-lb.)
[Water outlet fitting] 13 ± 2 Nm (111 ± 22 in-lb.)

[C] RADIATOR UPPER HOSE CONNECTION





1. Insert radiator upper hose as far as the protrusion of the water outlet fitting.
2. Align the mating marks on the radiator upper hose and hose clip, and then connect the radiator upper hose.

INSPECTION

Water Pipe and Hose Check
Check the water pipe and hose for cracks, damage and clogs. Replace them if necessary.