Question about 1997 Oldsmobile Cutlass Supreme

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What do i have to remove to get at my 1997 olds cultlass supreme 3.1 engine thermostat

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  • wraith0127 May 11, 2010

    The thermostat for the engine coolant system, right? Just checking.



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  • Oldsmobile Master
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Dpends on how extensive the tool kit you have is.If you remove air filter hose to throttle body you should see a better picture of what is needed.
the cross pipe for exhaust is blocking you from a direct removal of the housing.It is possible to remove it without the headache of removeing the crossover pipe.A swivel and a small 10 mm socket with an extension usually does the trick.You have to keep a close eye on the bolt as it comes out.And you will figire out how to get the lower of the bolts on housing out by just getting the air filter hose out of your way.If you have large hands ,you may have to remove the cross over pipe.I hope this helps you.

Posted on Oct 03, 2009


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How do I remove glove box on 1997 olds cutlass supreme

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Jan 31, 2013 | 1997 Oldsmobile Cutlass Supreme

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I would like to know how to change a thermostat on a 1997 olds cutlass supreme

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Apr 18, 2011 | 1997 Oldsmobile Cutlass Supreme

1 Answer

How to change a thermostat in a 97 oldsmobile cutlass supreme

3800 engine I suppose?
Pull the plastic cover ,at the engine side of the top radiator hose (you can leave the hose connected) remove the two 10 mm bolts and remove the housing. There is no gasket just an o ring.
Be sure the new o ring is on the stat correctly and sit it in the engine,WITH THE BRASS BUTTON SENSOR SIDE DOWN!!
Tighten the two bolts up a little at a time ,evenly,and not like a lug nut , don't forget it's only aluminum.
10 minute job.Be sure the parts store gives you a 190 or 192 degree stat,(a colder one will not let the computer fine tune for mileage)

Apr 07, 2011 | 1997 Oldsmobile Cutlass Supreme

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Where is the thermostat located on a1995 Olds

Follow the top rad hose to the engine, the bit the hose attaches to on the engine is the housing that houses the stat

Nov 21, 2009 | 1995 Oldsmobile Cutlass Supreme

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Jul 08, 2009 | 1997 Oldsmobile Cutlass Supreme

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Car will not start

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Jan 05, 2009 | 1995 Oldsmobile Cutlass Supreme

1 Answer

1989 cultlass supreme won't start after driving a short distance and engine has been turned off for 5 minutes

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