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If the thermostat is faulty and always open, the engine will not heat up to operating temperature.

If it is stuck closed, your engine will overheat.

Check to see if the hose is leaking around the clamps at each end. Tighten the clamps. If the hose has a hole or break, it will be spraying coolant everywhere. Drain the system, replace the hose and refill the cooling system.

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โˆ™ 2015-07-15 19:25:07
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Q: How do you know if the thermostat is bad or if a hose is leaking in a 96 Grand Am?
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