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Oldsmobile Forum: 1995 Oldsmobile 98 (Hot.......A/C Disabled)
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Old August 10th, 2010
fla813 fla813 is offline
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1995 Oldsmobile 98 (Hot.......A/C Disabled)

Just bought my 95 oldsmobile 98. Great Car. Everything works, except A/C. Bought some freon and charged system. Air came out of top and bottom, but not the middle vent. Came straight to this forum. Suggestion was a vacuum line, Bingo!(Driver side Firewall). Air came out of all vents. Very happy, then within 48 hours car started shutting off. Got that dreaded "Hot.....A/C Disabled" in the information display. Disconnected vacuum line and have not turned A/C back on. Seems to be running fine. Drove 45 miles to and from no problems. Baffled new olds 98 owner?

P.S.: Fan does not blow very strong. When it was on, it would blow to about the steering wheel(on High), but was weak at that point.
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Old August 11th, 2010
fla813 fla813 is offline
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1995 oldsmobile 98 owner (Hot........A/C Disabled)

Well, I jumped the gun. With the vacuum line disconnected and not using the A/C, I thought my problem was fixed, WRONG! It cut off again this morning while I was pulling into work. The check Engine light does not come on. I've called around a couple of garages and they said they will test it, but if the check Engine light is not coming on, then it will be difficult to find the problem. I love this car, but i am very frustrated that no one knows what its wrong. This make and model of car has been around awhile, someone should have figured something out by now, you would think.
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Old September 10th, 2010
95nientyeight 95nientyeight is offline
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Well that is not a good news, since I have the same problem after fixing many parts over last 6 months. That does no good. Only hope mechanic says to do is change the head gasket worth $700. Once the Hot ac disable message appears, I can almost 99% can tell the car becomes a junk.

I don't want to put out off but that is the truth in my case. Better off getting a non GM car.
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Old October 10th, 2010
wrd2103 wrd2103 is offline
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I had the same message about a week after I got mine in August of this year. I replaced the crank shaft sensor and the problem is fixed. Give that a shot.
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Old August 30th, 2019
redrum55 redrum55 is offline
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I know this is an old thread. But i changed my crank shaft sensor and it seemed to work but after a few days it happened again. Anyone else know what can possibly be the issue. Owned it for over 10 years no check engine light on. I also changed the coolant temp sensor. Most top end gaskets , fuel filter , tune up done less than 1500 miles ago. It has 89k miles 3rd owner.
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