Radiator Hose: Service and Repair
Radiator Connecting Pipe Removal and Installation
Removal
1. Radiator Cap
1. Wait until the engine is cool, then carefully remove the radiator cap.
2. Vehicle Lift
1. Raise the vehicle on a lift, and make sure it is securely supported.
3. Radiator Coolant - Replacement
1. Loosen the drain plug (A), and drain the coolant.
4. Intake Air Pipe
1. Remove the intake air pipe.
5. EGR Pipe
1. Remove the EGR pipe (A).
6. Thermostat Housing Peripheral Assembly
1. Disconnect the connectors (A).
2. Remove the harness clamps (B).
3. Disconnect the connector (A).
4. Remove the harness clamp (B).
M/T
A/T
5. Remove the harness bracket (A).
6. Disconnect the lower radiator hose (B), the water bypass hose (C), and the heater hose (D).
7. Thermostat Housing
1. Remove the thermostat housing.
8. Radiator Connecting Pipe
1. Remove the connecting pipe (A).
Installation
1. Radiator Connecting Pipe
1. Install the connecting pipe (A) with new O-ring (B).
2. Thermostat Housing
1. Install the thermostat housing (A), using a new gasket (B) and new O-ring (C).
3. Thermostat Housing Peripheral Assembly
M/T
A/T
1. Connect the lower radiator hose (A), the water bypass hose (B), and the heater hose (C).
2. Install the harness bracket (D).
3. Install the harness clamp (A).
4. Connect the connector (B).
5. Install the harness clamps (A).
6. Connect the connectors (B).
4. EGR Pipe
1. Install the EGR pipe (A) with new gaskets (B).
5. Intake Air Pipe
1. Install the intake air pipe.
6. Radiator Coolant - Replacement
1. Pour Honda Long Life Antifreeze/Coolant Type 2 into the radiator up to the base of the filler neck.
NOTE (Except K24Z7 engine):
* Always use Honda Long Life Antifreeze/Coolant Type 2. Using a non-Honda coolant can result in corrosion, causing the cooling system to malfunction or fail.
* Honda Long Life Antifreeze/Coolant Type 2 is a mixture of 50 % antifreeze and 50 % water. Do not add water.
NOTE (K24Z7 engine):
* Always use Honda Long Life Antifreeze/Coolant Type 2. Using a non-Honda coolant can result in corrosion, causing the cooling system to malfunction or fail.
* Honda Long Life Antifreeze/Coolant Type 2 is a mixture of 50 % antifreeze and 50 % water. Do not add water.
* If the vehicle is regularly driven in very low temperatures (under -31 °F,-35 °C) a 60 % concentration of coolant should be used. To accomplish this, pour 1.6 L (0.4 US gal) of Honda Extreme Cold Weather Antifreeze/Coolant Type 2 into the radiator first, then add Honda Long Life Antifreeze/Coolant Type 2 until the radiator is full.
7. Maintenance Minder Reset
1. After doing all procedures, select the individual maintenance item you wish to reset with the HDS (See the Maintenance Minder General Information).