How to add coolant to the radiator – GMC 2007 Canyon User Manual

Page 346

How to Add Coolant to the Radiator

1. 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. 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 337
for more information about the proper coolant
mixture.

4. 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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