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I need to know how to fix a thermostat in a 1993 grand am gt.

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Thermo's are not the kind of parts that you can fix. If something is wrong with them, you don't risk your engine. Throw it away and get a new one. Any other case and you're risking eventually a new engine because of possible overheating, due to defective thermostat.

Posted on Aug 19, 2010


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2003 Pontiac Gran Prix GT 3.8L Thermostat replacement

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Instructions to fix a thermostat on 1993 Mercury Grand Marquis

Thermostat should be at the base of the upper hose where it connects to the intake manifold.

You should see two bolts securing the housing to the intake. You will need to drain some coolant from the system first via the radiator drain before you remove the housing.

When reinstalling the housing, be VERY careful to not over tighten the bolts as they will strip/break way easier than you want to know.

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I have a 2004 Grand am gt and have noticed that the Temperature Gauge gets to Normal Temp and then slowly moves slightly (about two tick marks) to the right then it returns back to normal. It does this...

well not usally it sounds like the thermostat is sticking i had this promblem on my 01 grand am it was themostat sticking i fixed that by replacing thermostat it worked fine for a year then started to do it again finally noticed that my antifrezze was dirty and i needed a flush have you flushed or changed yours best bet flush the antifreeze then replace thermostat

May 05, 2010 | 2004 Pontiac Grand Am

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Car still overheats after replacing the water pump

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Oct 26, 2009 | 1993 Pontiac Grand Am

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On the 6-cyl 3.4L, it's under the throttle body. Just follow the large hose from the top left side (driver's side) back to the engine.

Jun 21, 2008 | 1999 Pontiac Grand Am GT

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