Question about 1995 Pontiac Grand Am

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Cooling system airlocked - 1995 Pontiac Grand Am

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Airlocked? Often by pulling a line of an air buble will be relased. moving hoses so they can fill with water and the air can pass works too. You did not mention the engine you have. Mine is the 2.3, when I drained, flushed and refilled the system had no major problems. there is a air bleed line from the water outlet (under ps pump, left side of engine) to the plastic bottle, right front. the restriction is in the niple at the pastic bottle is it pluged preventing the air to bleed? I always drill a 1/16 hole in the flange of a new thermostat when replacing it, that helps the air to escape and the system to better fill. The thermostat is on the return to the engine, water pump inlet, under the exhaust manifold (not a great design)

Posted on Nov 22, 2010


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