Caution – Buick 2005 Terraza User Manual

Page 322

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2. Then keep turning the pressure cap, but now push

down as you turn it. Remove the pressure cap.

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CAUTION:

You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol
and it will burn if the engine parts are hot
enough. Do not spill coolant on a hot engine.

3. After the engine cools, open the coolant air bleed

valves.

There are two bleed valves. One is located on the
thermostat housing. The other is located on the
thermostat bypass tube.

4. Fill the radiator with the proper DEX-COOL

coolant mixture, up to the base of the filler
neck. See Engine Coolant on page 5-21 for more
information about the proper coolant mixture.

If you see a stream of coolant coming from an
air bleed valve, close the valve. Otherwise, close
the valves after the radiator is filled.

Housing

Bypass Tube

5-30