How To Add Coolant To The Radiator - GMC 2005 Canyon Owner's Manual

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How to Add Coolant to the Radiator

1. You can remove the radiator pressure cap when

the cooling system, including the upper radiator

hose, is no longer hot. Turn the pressure cap slowly

counterclockwise about one full turn.

If you hear a hiss, wait for that to stop. A hiss

means there is still some pressure left.

2. Then keep turning the cap to remove it.

3. Fill the radiator with the proper DEX-COOL

coolant mixture, up to the base of the ﬁller

neck. See Engine Coolant on page 5-25 for more

information about the proper coolant mixture.

4. Then ﬁll the coolant recovery tank to the

FULL COLD mark.

5. Reinstall the cap on the coolant recovery tank, but

leave the radiator pressure cap off.

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