1990 Nissan truck over heating

1990 NISSAN TRUCK
135,000 MILES • 4 CYL • 2WD • AUTOMATIC
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1990 Nissan pickup truck mileage: 135,000. Have over heating problem, replaced water pump, radiator, thermostat, and rebuild head, flush engine. Over heating while driving and while idle.
Nov 9, 2010 at 6:28 PM
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If you were losing coolant this would cause the overheating. If the coolant level stays full, then, perhaps your fan clutch is not working properly.
Nov 9, 2010 at 6:29 PM