| Condition | Possible Cause | Action |
|---|---|---|
|
Overheating
|
Inoperative thermostat
|
|
|
Poor water pump performance
|
||
|
Clogged or leaky radiator
|
||
|
Improper engine oil grade
|
||
|
Clogged oil filter or oil strainer
|
||
|
Poor oil pump performance
|
||
|
Faulty A/C condenser fan control system
|
||
|
Faulty radiator cooling fan clutch
|
||
|
Dragging brakes
|
||
|
Slipping clutch
|
||
|
Blown cylinder head gasket
|