If the coolant inside the coolant surge tank is boiling,
don’t do anything else until it cools down.
NOTICE:
When the engine is
cold, the coolant level
should be at or above
the FILL COLD mark.
If it isn’t, you may
have a leak in the
radiator hoses, heater
hoses, radiator, water
pump or somewhere
else in the
Engine damage from running your engine
without coolant isn’t covered by your warranty.
See “Overheated Engine Protection Operating
Mode” in the Index.
NOTICE:
When adding coolant, it is important that you use
only DEX-COOL (silicate-free) coolant.
cooling system.
If coolant other than DEX-COOL is added to
the system, premature engine, heater core or
radiator corrosion may result. In addition, the
engine coolant will require change sooner -- at
30,000 miles (50 000 km) or 24 months,
CAUTION:
Heater and radiator hoses, and other engine parts,
can be very hot. Don’t touch them. If you do, you
can be burned.
whichever occurs first. Damage caused by
the use of coolant other than DEX-
COOL is
not covered by your new vehicle warranty.
Don’t run the engine if there is a leak. If you run
the engine, it could lose all coolant. That could
cause an engine fire, and you could be burned.
Get any leak fixed before you drive the vehicle.
If there seems to be no leak, start the engine again. See if
the engine cooling fan speed increases when idle speed is
doubled by pushing the accelerator pedal down. If it
doesn’t, your vehicle needs service. Turn off the engine.
5-12
| Categories | GMC Manuals, GMC Yukon Manuals |
|---|---|
| Model Year | 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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