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
  • 426 Answers

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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1 Answer

How do I remove glove box on 1997 olds cutlass supreme


check the fusebox under your hood for the horn relay,should be a black box close to your battery that has fuses in it

Jan 31, 2013 | 1997 Oldsmobile Cutlass Supreme

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Where is the thermostat located on a 1993 olds cutless supreme 3.1 liter engine How to install a new one


if you follow the upper radiator hose to where it connects to the engine. drain anti freeze a
little(to get below hose,remove hose from thermostat housing,remove 2 bolts & remove housing
the thermostat will pull out.make sure you install the same way(spring end toward engine)
if new thermo has a small hole in it(some do)make sure its up 12 o'clock position.
reconnect & refill system.there are air bleeders in system 1 at thermo housing & possibly
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good luck

Jun 17, 2011 | 1993 Oldsmobile Cutlass Supreme

2 Answers

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


follow your top radiator hose to engine. the hose is connected to a housing ,loosen the hose the, housing has two bolts loosen them thermostat inside housing scrape off any old gasket material from housing and engine block .put new gasket with sealer good luck

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

1 Answer

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

1 Answer

Need location for thermostat for 1997 olds cutlass supreme


follow the upper radiator hose to engine, the stat is located at the end of that hose under the large nipple the hose is attached to.

Jul 08, 2009 | 1997 Oldsmobile Cutlass Supreme

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Car will not start


i am having same issue with a 1994 oldsmobile cultlass supreme and i was told bye 4 different ase mechanic that the ignition swith in steering column is bad.the wires are hair fine and when you start the car the wires turn breaking them.i am going to replace the ones in my daughters car and pray for the best.jgoofy4life@yahoo.com

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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