Step | Action | Value(s) | Yes | No | ||||
|---|---|---|---|---|---|---|---|---|
DEFINITION: The engine temperature lamp comes on and stays on, the temperature gauge shows hot or the coolant overflows from the coolant recovery reservoir onto the ground while the engine is running. | ||||||||
1 | Check for a loss of coolant. Has there been a loss of coolant? | -- | ||||||
2 | Refer to Loss of Coolant . Does the engine still overheat? | -- | System OK | |||||
3 | Use the J 24460-01 in order to check for a loss of system pressure. Refer to Cooling System Leak Testing . Has there been a loss of system pressure? | -- | ||||||
4 | Correct the system pressure. Does the engine still overheat? | -- | System OK | |||||
5 |
Is there low coolant protection? | -37°C (-34°F) | ||||||
6 | Correct as necessary. Does the engine still overheat? | -- | System OK | |||||
7 |
Is the tensioner working properly and is the tension correct? | -- | ||||||
8 | Replace the tensioner as necessary. Refer to Drive Belt Tensioner Replacement in Engine Mechanical - 3.1L. Does the engine still overheat? | -- | System OK | |||||
9 | Check to see if any of the radiator fins are obstructed. Are any of radiator fins obstructed? | -- | ||||||
10 |
Does the engine still overheat? | -- | System OK | |||||
11 | Check to see if any of the cooling system passages are blocked by rust or scale. Are any of the cooling system passages blocked by rust or scale? | -- | ||||||
12 |
Does the engine still overheat? | -- | System OK | |||||
13 | Check for a pinched or kinked coolant recovery reservoir hose. Is the reservoir hose pinched or kinked? | -- | ||||||
14 | Replace or reroute the hose as necessary. Refer to Coolant Recovery Reservoir Replacement . Does the engine still overheat? | -- | System OK | |||||
15 | Check for an inoperative cooling fan. Refer to Electric Cooling Fan Diagnosis . Are there any inoperative cooling fans? | -- | ||||||
16 | Repair or replace the electric cooling fans as necessary. Refer to Engine Cooling Fan Replacement . Does the engine still overheat? | -- | System OK | |||||
17 | Check for a loose, damaged or missing deflector. Are there any loose, damaged or missing deflectors? | -- | ||||||
18 | Replace the deflectors. Does the engine still overheat? | -- | System OK | |||||
19 | Check to see if the thermostat is stuck in the closed position. Is the thermostat stuck in the closed position? | -- | ||||||
20 | Replace the thermostat. Refer to Engine Coolant Thermostat Replacement . Does the engine still overheat? | -- | System OK | |||||
21 | Check for a faulty water pump. Is the water pump faulty? | -- | ||||||
22 | Replace the water pump. Refer to Water Pump Replacement . Does the engine still overheat? | -- | System OK | |||||
23 | Check for an incorrect radiator. Is the proper radiator being used? | -- | -- | |||||
24 | Install the correct radiator. Refer to Radiator Replacement . Does the engine still overheat? | -- | -- | System OK | ||||
