Mechanics

CAR RUNS FOR A WHILE AND THEN OVER HEATS

2004 Suzuki Forenza

The car will run fine on the highway for 30 mins, then when I exit it will start to over heat. I turn on the defroster and it returns to normal operating temp. The thermistat is new. Could it be a clogged rad?
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Arthur45
April 25, 2012.



Is the cooling fan working properly and coolant level okay if so could be the water pump impeller

Rasmataz
Apr 25, 2012.