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Main 12 Causes of Overheating
ENGINE INSPECTION ITEM REFERENCE
| Engine |
Step |
Inspection item |
Equipment |
Standard |
Reference page |
| OFF |
1 |
- Blocked radiator
- Blocked condenser
- Blocked radiator grille
- Blocked bumper
|
|
No blocking |
- |
| 2 |
|
|
50 - 50% coolant mixture |
"ANTI-FREEZE COOLANT MIXTURE RATIO
" |
| 3 |
|
|
Coolant up to MAX level in reservoir tank and radiator filler neck |
"ENGINE COOLANT
" |
| 4 |
|
|
59 - 98 kPa (0.6 - 1.0 kg/cm2
, 9 - 14 psi) (Limit) |
"RADIATOR
" |
| ON |
5 |
|
|
No leaks |
"ENGINE COOLANT
" |
| ON |
6 |
|
- Touch the upper and lower radiator hoses
|
Both hoses should be hot |
"THERMOSTAT AND THERMOSTAT HOUSING
" |
| ON |
7 |
|
|
Operating |
See trouble diagnosis for DTC P1217 (
DTC P1217 ENGINE OVER TEMPERATURE ). |
| OFF |
8 |
|
- Color checker chemical tester 4 Gas analyzer
|
Negative |
- |
| ON |
9 |
- Coolant temperature gauge
|
|
Gauge less than 3/4 when driving |
- |
- Coolant overflow to reservoir tank
|
|
No overflow during driving and idling |
"ENGINE COOLANT
" |
| OFF |
10 |
- Coolant return from reservoir tank to radiator
|
|
Should be initial level in reservoir tank |
"ENGINE COOLANT
" |
| OFF |
11 |
|
- Straight gauge feeler gauge
|
0.1 mm (0.004 in) Maximum distortion (warping) |
"CYLINDER HEAD
" |
| 12 |
- Cylinder block and pistons
|
|
No scuffing on cylinder walls or piston |
"CYLINDER BLOCK
" |
| |
| |
| |
| |