| Engine overheats |
- 1.
Check the coolant level .
- 2.
Check for any engine coolant leakage (from gaskets, hoses, O-rings, etc.).
- 3.
Check for dirt, leaves, or insects on the radiator and the A/C condenser.
- 4.
Check for deteriorated coolant.
- 5.
Check for a damaged or deformed fan shrouds.
- 6.
Check the fan motors are operating properly (air should be blowing toward the engine).
- 7.
Inspect the fan motors or fan relays .
- 8.
Check the radiator cap .
- 9.
Check the thermostat
.
- 10.
Inspect the water pump .
- 11.
Check for clogged radiator.
- 12.
Check for plugged or deteriorated radiator hoses.
- 13.
Check for a plugged heater core or hoses.
- 14.
Check for a damaged cylinder head gasket.
|
Check the radiator and A/C condenser fans are operating properly |
| The radiator fan does not run at high speed |
Radiator fan high speed circuit troubleshooting - Refer to: Radiator and A/C Condenser Fan Low Speed Circuit Troubleshooting Radiator Fan High Speed Circuit Troubleshooting
. |
Check the connectors are properly connected and the terminals are making good contact |
| Both the radiator fan and the A/C condenser fan do not run at low speed |
Radiator and A/C condenser fans low speed circuit troubleshooting - Refer to: A/C Condenser Fan High Speed Circuit TroubleshootingRadiator and A/C Condenser Fan Low Speed Circuit Troubleshooting
. |
Check the connectors are properly connected and the terminals are making good contact |
| The A/C condenser fan does not run at high speed |
A/C condenser fan high speed circuit troubleshooting - Refer to: A/C Condenser Fan High Speed Circuit TroubleshootingRadiator and A/C Condenser Fan Low Speed Circuit Troubleshooting
. |
Check the connectors are properly connected and the terminals are making good contact |