NO.17 COOLING SYSTEM CONCERNS-OVERHEATING [MZI-3.7]
NO.17 COOLING SYSTEM CONCERNS-OVERHEATING (MZI-3.7) DETECTION CONDITIONS
AND POSSIBLE CAUSES
DIAGNOSTIC PROCEDURE
NO.17 COOLING SYSTEM CONCERNS-OVERHEATING (MZI-3.7) DIAGNOSTIC PROCEDURE
3
{
If malfunction remains, inspect related Service Bulletins and/or On-line Repair
Information and perform repair or diagnosis.
z
If vehicle is repaired, troubleshooting completed.
z
If vehicle is not repaired or additional diagnostic information is not available,
replace the PCM.
(See
PCM REMOVAL/INSTALLATION [MZI-3.7]
.)
17
COOLING SYSTEM CONCERNS-OVERHEATING
DESCRIPTION
Engine runs at higher than normal temperature/overheats.
POSSIBLE CAUSE
z
Improper coolant level
z
Blown fuses
z
Coolant leakage
z
Excessive A/C system pressure
z
A/C system operation is improper
z
Improper water/anti-freeze mixture
z
Fans reverse rotation
z
Poor radiator condition
z
Thermostat malfunction
z
Radiator hoses damage
z
Improper or damaged radiator cap
z
Cooling fan is inoperative.
z
Coolant overflow system malfunction
z
Improper tension of drive belt
z
Drive belt damage
STEP
INSPECTION
RESULTS
ACTION
Inspect the following:
z
Engine coolant level
z
Coolant leakage
z
Water and anti-freeze mixture
z
Radiator condition
Yes
Go to the next step.
2008 Mazda CX-9 Grand Touring
2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:10:05 AM
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© 2005 Mitchell Repair Information Company, LLC.
