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97 olds cutlass supreme thermostat
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mpkell
Novice
Feb 10, 2013, 11:24 AM
Post #1 of 9
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97 olds cutlass supreme thermostat
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How to locate and change 97 olds cutlass supreme thermostat?
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mpkell
Novice
Feb 10, 2013, 11:55 AM
Post #2 of 9
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Re: 97 olds cutlass supreme thermostat
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Where is the thermostat located? The top radiator hose connects to a metal pipe...the view of that part's connection to the engine block is blocked by other engine parts. Is the thermostat located at that connection? If so how is the thermostat exchange accomplished?
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Sidom
Veteran
/ Moderator
Feb 10, 2013, 12:10 PM
Post #3 of 9
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Re: 97 olds cutlass supreme thermostat
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Depends on which engine you have.....
Both are off the top radiator hose......one is easy to get to & the other one totally sucks if you have never done one before
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mpkell
Novice
Feb 10, 2013, 12:20 PM
Post #4 of 9
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Re: 97 olds cutlass supreme thermostat
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3.1
Where is the thermostat located? The top radiator hose connects to a metal pipe...the view of that part's connection to the engine block is blocked by other engine parts. Is the thermostat located at that connection? If so how is the thermostat exchange accomplished?
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Sidom
Veteran
/ Moderator
Feb 10, 2013, 12:28 PM
Post #5 of 9
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Re: 97 olds cutlass supreme thermostat
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Oh man.....You have the one that sux.....
That metal pipe the hose goes to is the Tstat hosing...There is an exhaust crossover pipe that "seems" to block the housing..... You can get the Tstat housing off without removing that pipe....but...it's not easy... The Tstat is off the upper radiator hose
There is a smaller metal tube with 2 hose that go to the throttle body that need to be removed to gain access to the housing. After that you can get in there to remove the 2 13mm bolts that hold the housing on.......It's not easy and a good ratchet wrench definitely helps.....
What problems are you having that makes you think the Tstat needs to be replaced?
(This post was edited by Sidom on Feb 10, 2013, 12:28 PM)
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mpkell
Novice
Feb 10, 2013, 12:36 PM
Post #6 of 9
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Re: 97 olds cutlass supreme thermostat
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Wild erratic temp gauge displays and not much heat to cab from heating system.
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Sidom
Veteran
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Feb 10, 2013, 12:50 PM
Post #7 of 9
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Re: 97 olds cutlass supreme thermostat
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Are you having to add coolant on a regulare basis? and if you are, how much?
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mpkell
Novice
Feb 10, 2013, 12:55 PM
Post #8 of 9
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Re: 97 olds cutlass supreme thermostat
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Yes. Add coolant light comes & goes. Just put a couple quarts or so in.
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Sidom
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Feb 10, 2013, 1:21 PM
Post #9 of 9
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Re: 97 olds cutlass supreme thermostat
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The symptoms you are descibing isn't usually associated with a bad Tstat....Normally with bad Tstats either it will stick closed and overheat rather quickly or stick open and have problems with too cool of engine temps and heater problems but not erratic temp readings...
Since you are losing coolant, you would want to pressure check the system and try to find an external leak.....If no leaks are found then you have to check for an interal leak...and....unfortunately.....some of the signs of an internal coolant leak is....No coolant leaks can be found on the outside, erratic temp readings & intermittent loss of heat inside of the cab
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