Symptoms
|
Possible Causes
|
Remedy
|
Coolant leakage
|
| •
|
From the thermostat gasket
|
|
Check the mounting bolts
|
| •
|
Check the torque of the mounting bolts
|
|
| •
|
Retighten the bolts and check leakage again.
|
|
Check the gasket for damage
|
| •
|
Check gasket or seal for damage
|
|
| •
|
Replace gaskets and reuse the thermostat.
|
|
Cooled excessively
|
| •
|
Low heater performance (cool air blowed-out)
|
| •
|
Thermogauge indicates 'LOW'
|
|
Visually check after removing the radiator cap.
|
| •
|
Insufficient coolant or leakage.
|
|
| •
|
After refilling coolant, recheck.
|
|
GDS check&Starting engine
|
| •
|
Check connection of the fan clutch or the
fan motor.
|
※ If the fan clutch is always connected, there will be
a noise at idle.
|
| •
|
Check the engine coolant sensor, wiring and
connectors.
|
| •
|
Replace the componants.
|
|
Remove the thermostat and inspect
|
| •
|
Check if there are dusts or chips in the
thermostat valve.
|
| •
|
Check adherence of the thermostat.
|
|
| •
|
Clean the thermostat valve and reuse the
thermostat.
|
| •
|
Replace the thermostat, if it doesn't work
properly.
|
|
Heated excessively
|
| •
|
Thermogauge indicates 'HI'
|
|
Visually check after removing the radiator cap.
|
| •
|
Insufficient coolant or leakage.
※ Be careful when removing a radiator cap
of the overheated vehicle.
|
| •
|
Check air in cooling system.
|
|
| •
|
After refilling coolant, recheck.
|
| •
|
Check the cylinder head gaskets for damage
and the tightening torque of the mounting bolts.
|
|
GDS check&Starting engine
|
| •
|
Check the fan motor performance as temperature
varies.
|
| •
|
Check if the fan clutch slips.
|
| •
|
Check the water pump adherence or impeller
damaged.
|
|
| •
|
Check the engine coolant sensor, wiring and
connectors.
|
| •
|
Check the fan motor, the relay and the connector.
|
| •
|
Replace the fan clutch, if it doesn't work
properly.
|
| •
|
Replace the water pump, if it doesn't work
properly.
|
|
Immerse the thermostat in boiling water and inspection.
|
| •
|
After removing the thermostat, check it works
properly.
|
※ Check the thermostat opens at the valve opening temperature.
|
| •
|
Replace the thermostat, if it doesn't work
properly.
|
|
See also:
Low tire pressure telltale
When the tire pressure monitoring system warning indicator is illuminated, one
or more of your tires is significantly under-inflated.
If the telltale illuminates, immediately reduce your speed, a ...
Inspection
Connecting Rod And Crankshaft
1.
Check the connecting rod end play.
Using feeler gauge, measure the end play while moving
the connecting rod back and f ...
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the cluster fascia panel (A) after disconnecting the trip
switch connector(B).
...
Hyundai Accent: Thermostat. Troubleshooting
Installation
