Main 12 Causes of Overheating
MAIN 12 CAUSES OF OVERHEATING REFERENCE
| Engine | Step | Inspection item | Equipment | Standard | Reference | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OFF | 1 |
|
|
No blocking | - | ||||||||
| 2 |
|
|
50 - 50% coolant mixture | See "ANTI-FREEZE COOLANT MIXTURE RATIO ". | |||||||||
| 3 |
|
|
Coolant up to MAX level in reservoir tank and radiator filler neck | See "CHECKING RESERVOIR LEVEL ". | |||||||||
| 4 |
|
|
59 - 98 kPa (0.6 - 1.0 kg/cm2 , 9 - 14 psi) (Limit) | See "CHECKING RADIATOR CAP ". | |||||||||
| ON(2) | 5 |
|
|
No leaks | See "CHECKING COOLING SYSTEM FOR LEAKS ". | ||||||||
| ON(2) | 6 |
|
|
Both hoses should be hot | See "THERMOSTAT AND THERMOSTAT HOUSING ". | ||||||||
| ON(1) | 7 |
|
|
Operating | See trouble diagnosis for DTC P1217 ( "DIAGNOSTIC PROCEDURE "). | ||||||||
| OFF | 8 |
|
|
Negative | - | ||||||||
| ON(3) | 9 |
|
|
Gauge less than 3/4 when driving | - | ||||||||
|
|
No overflow during driving and idling | See "CHANGING ENGINE COOLANT ". | ||||||||||
| OFF(4) | 10 |
|
|
Should be initial level in reservoir tank | See "CHECKING RESERVOIR LEVEL ". | ||||||||
| OFF | 11 |
|
|
0.1 mm (0.004 in) Maximum distortion (warping) | See "CYLINDER HEAD ". | ||||||||
| 12 |
|
|
No scuffing on cylinder walls or piston | See "CYLINDER BLOCK ". | |||||||||
| For more information, refer to "OVERHEATING CAUSE ANALYSIS ". | |||||||||||||
|
|||||||||||||