ENGINE COOLANT LEAK CHECK
| WARNING | When pressure testing the cooling system, slowly release cooling system pressure to avoid getting burned by hot coolant. |
| CAUTION | Be sure to completely clean away any moisture from the places checked. When the tester is taken out, be careful not to spill any coolant. Be careful when installing and removing the tester and when testing not to deform the filler neck of the radiator. |
- Check that the coolant level is up to the filler neck. Install a radiator tester and apply 160 kPa (23 psi) pressure, and then check for leakage from the radiator hose or connections.
- If there is leakage, repair or replace the appropriate part.
RADIATOR CAP PRESSURE CHECK
Note. Be sure that the cap is clean before testing. Rust or other foreign material on the cap seal will cause an improper reading.
- Use a cap adapter to attach the cap to the tester.
- Increase the pressure until the indicator of the gauge stops moving. Minimum limit: 83 kPa (12 psi) Standard value: 93 - 123 kPa (14 - 18 psi)
- Replace the radiator cap if the reading does not remain at or above the limit.
FAN CONTROL RELAY CONTINUITY CHECK
| BATTERY VOLTAGE | TERMINAL NO. TO BE CONNECTED TO TESTER | CONTINUITY TEST RESULTS |
|---|---|---|
| Not applied | 4 - 2 | Open circuit |
| Connect terminal No.3 and battery (-) terminal. Connect terminal No.1 and battery (+) terminal. | 4 - 2 | Less than 2 ohms |
FAN CONTROL RELAY BATTERY VOLTAGE AND CONTINUITY TEST RESULTS
Scheme 29
RADIATOR FAN RELAY CHECK
| BATTERY VOLTAGE | TERMINAL NO. TO BE CONNECTED TO TESTER | CONTINUITY TEST RESULTS |
|---|---|---|
| Not applied | 2 - 4 | Less than 2 ohms |
| 2 - 5 | Open circuit | |
| Connect terminal No.3 and battery (-) terminal. Connect terminal No.1 and battery (+) terminal. | 2 - 5 | Less than 2 ohms |
RADIATOR FAN RELAY BATTERY VOLTAGE AND CONTINUITY TEST RESULTS
Scheme 30
Scheme 31
- Remove the radiator fan motor connector.
- Check to see that the fan motor of the radiator turns when applying battery power between the connector terminals of the radiator fan motor. Also check to see that there is no abnormal sound coming from the radiator fan motor at this time.
- If the radiator fan motor is defective, replace it.
Scheme 32
Scheme 33
<< A >> RADIATOR UPPER HOSE/RADIATOR LOWER HOSE DISCONNECTION
Make mating marks on the radiator hose and the hose clamp. Disconnect the radiator hose.
Scheme 34
<< A >> RADIATOR LOWER HOSE DISCONNECTION
Make mating marks on the radiator hose and the hose clamp. Disconnect the radiator hose.
<< A >> RADIATOR UPPER HOSE DISCONNECTION
After making mating marks on the radiator hose and hose clamp, disconnect the radiator hose.
>> C << RADIATOR UPPER HOSE CONNECTION
- Insert each hose as far as the projection of the water outlet fitting.
- Align the mating marks on the radiator hose and hose clamp, and then connect the radiator hose.
Scheme 35
After making mating marks on the radiator hose and hose clamp, disconnect the radiator hose.
- Insert each hose as far as the projection of the water outlet fitting.
- Align the mating marks on the radiator hose and hose clamp, and then connect the radiator hose.
Water Pipe and Hose Check
Check the water pipe and hose for cracks, damage and clogs. Replace them if necessary.
< 2.4L ENGINE >
| ITEM | SPECIFIED SEALANT |
|---|---|
| Cylinder block drain plug | 3M™ AAD Part No.8731 or equivalent |
| Thermostat case | 3M™ AAD Part No.8672, 3M™ AAD Part No.8679/8678 or equivalent |
| Water outlet fitting | |
| Thermostat case bolt | 3M™ AAD Part No. 8730, 8731 or equivalent |
SEALANTS SPECIFICATIONS
< 3.8L ENGINE >
| ITEM | SPECIFIED SEALANT |
|---|---|
| Cylinder block drain plug | 3M™ AAD Part No.8731 or equivalent |
| Engine coolant temperature sensor |
SEALANTS SPECIFICATIONS