Diagnosis; Diagnosis Table; Maintenance; Coolant Level Check - Suzuki 2000 Grand Vitara SQ625 Service Manual

6B-6 ENGINE COOLING

DIAGNOSIS TABLE

Condition
Engine overheats

DIAGNOSIS

Possible Cause
_ Loose or broken water pump belt
_ Not enough coolant
_ Faulty thermostat
_ Faulty water pump
_ Dirty or bent radiator fins
_ Coolant leakage on cooling system
_ Defective cooling fan clutch or thermo
switch
_ Plugged radiator
_ Faulty radiator cap

MAINTENANCE

COOLANT LEVEL CHECK

WARNING:
To help avoid danger of being burned:
_ Do not remove reservoir cap while coolant is "boiling",
_ Do not remove radiator cap while engine and radiator are
Scalding fluid and steam can be blown out under pressure
if either cap is taken off too soon.
To check level, lift hood and look at "see-through" coolant reservoir.
It is not necessary to remove radiator cap to check coolant level.
When engine is cool, check coolant level in reservoir.
A normal coolant level should be between "FULL" and "LOW"
marks on reservoir.
If coolant level is below "LOW" mark, remove reservoir cap and add
proper coolant to reservoir to bring coolant level up to "FULL" mark.
Then, reinstall cap.
NOTE:
_ If recommended quality antifreeze is used, there is no need
to add extra inhibitors or additives that claim to improve sys-
tem.
They may be harmful to proper operation of system.
_ When installing reservoir cap, align arrow marks on reser-
1. Reservoir
voir and cap.
2. FULL level mark
3. LOW level mark
4. Arrow mark
and
still hot.
Correction
Adjust or replace.
Check coolant level and add
as necessary.
Replace.
Replace.
Clean or remedy.
Repair.
Check and replace as necessary.
Check and replace radiator
as necessary.
Replace.