Coolant Line/Hose: Service and Repair

COOLING WATER PIPES OR HOSES
[G16 and J20 engines]
REMOVAL
1. Drain cooling system.
2. To remove these pipes or hoses, loosen screw on each pipe or hose clip and pull hose end off.

INSTALLATION
Install removed parts in reverse order of removal procedure, noting the following.
^ Tighten each clamp bolt securely.





^ When installing water outlet pipe to cylinder head, apply sealant to pipe bolt thread and then tighten it (J20 engine only).
Sealant "A": 99000-31110 (SUZUKI BOND No.1215.)
^ Refill cooling system with proper coolant, referring to description on "COOLANT" and steps 8. to 10. of "COOLING SYSTEM FLUSH AND REFILL" located under Cooling System.
^ Check each part for leakage.

[H25 engine]
REMOVAL
1. Disconnect negative cable at battery.
2. Drain coolant.





3. Remove radiator inlet, outlet hoses and radiator outlet pipe.





4. Remove throttle body and intake manifold. Refer to Fuel Delivery and Air Induction.
5. Disconnect coolant temperature sensor (ECT sensor) coupler.
6. Disconnect heater inlet hose from water outlet cap.





7. Remove water outlet cap from cylinder heads.
8. Remove water outlet pipe from thermostat case.
9. Remove thermostat case from cylinder block.

INSTALLATION





Install removed parts in reverse order of removal procedure, noting the following.
1. Install thermostat case to cylinder block with new O-ring.
2. Install water outlet pipe to thermostat case with new O-rings.
3. Install water outlet cap to cylinder heads with new gaskets.





4. Connect heater hose to water outlet cap.
5. Connect ECT sensor coupler.





6. Install throttle body and intake manifold. Refer to Fuel Delivery and Air Induction.
7. Install radiator outlet pipe to thermostat case with new O-ring.
8. Install radiator inlet and outlet hoses.
9. Refill cooling system with proper coolant, referring to description on "COOLANT" and steps 8. to 10. of "COOLING SYSTEM FLUSH AND REFILL" located under Cooling System.