Question about 1998 Oldsmobile 88

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My heat in my Oldsmobile 88 keeps cutting off I have plenty of coolent what could that be

Coolent could it be a fuse.... I have never had this problem before it will cut on then turn off but now its not coming on at all

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Could be a bad thermostat. Have a shop check it, or just replace it (they're not all that expensive). I assume you mean the actual heat, nost just the fan (which may be electrically controlled, and could be a fuse problem).

Posted on Nov 25, 2014


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Posted on Jan 02, 2017

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SOURCE: leaking coolent by oil pan

The 3.1 liter V-6 engines in several GM models had problems with the intake manifold gaskets leaking coolant, between the intake manifold and the top of the engine block, due to faulty gaskets. There was a class action suit on this problem, but I don't remember the time parameters. I know it's about 6 or 7 hundred bucks to have it repaired at a GM dealership. Good luck.

Posted on Dec 16, 2008

  • 1 Answer

SOURCE: my 1993 oldsmobile achieva when I slow down sputtthe car cuts off

i have the exact same car. And after a lot of searching, found the EXACT cause for this. Its your TCC switch (torque converter clutch switch). It has somethign to do with your transmission, and kicking the car into overdrive at certain speeds for fuel economy. Anyway, mine would stall out after driving for more than 15- 20 minutes, especially at highway speeds, which when you think about it - is the speed if you had a manual/stick - you would be shifting into the highest gear. Well, this chip or whatever it is basically gets "stuck" in high gear. And when you come to a stop, its like trying to get going in 4th gear on a manual from a dead stop. NOT happening!  I checked with a few people and did some searchign online - and found out all you have to do is unplug the wire leading into your transmission  (not a car guy so I'm not sure exactlyif that's what its plugged to, but on mine ,same model and year as yours, it was blue on the very front on the engine way down dead center almost if you're standing in the front of the car looking down). I believe it was a 4pin connector when you unplug it, but I'd have to go doublecheck. NOthing at all bad happens from donig this - all it does is you lose about 3-5 mpg when you drive. I still get 25-27 mpg. If your car isn't in awesome codition and you dont want the headache of some mechanic taking everything apart to get inside the transmission to replace a dumb chip that just kicks your car into overdrive, I'd go this route. Worked for me.  I have checked all over online - and everyone who had this problem and unplugged it, had no problems ever. NO side effects. One guy says he's run up 100,000 miles since then and still runs like a top! If you need more info or whatever - email me. I dont mind. I'd love to know I'm helping someone out so they dont have to deal with it as long as I did!

Posted on May 21, 2009

  • 371 Answers

SOURCE: Well my car allways over heats and coolent leeks

If it is leaking out of the radiator cap, then that means you need a new radiator cap. Your cooling system in your car is a sealed system. Sounds like your radiator cap is not sealing properly and when the cooling system is not longer sealed then the temperatures cause the coolant to boil whereas coolant not subject to the atmosphere does not boil. Start there.

Good Luck

Posted on Oct 08, 2009

  • 22 Answers

SOURCE: no heat

start with flushing your heater hoses and heater core to make sure that there is not blocks

Posted on Feb 02, 2010

  • 5332 Answers

SOURCE: 95 oldsmobile cutlass cierra v6 ... wont turn over

One Click usually indicates a bad starter. Since the vehicle overheated I would try this first. With the key off and the battery disconnected try turning the engine over by hand. If you can't get the engine to turn by hand than you have bigger problems probably associated with the overheating. If you can turn it over by hand than you need to check the starter. Make sure the small wire on the starter has power anytime the key is in the crank position. Make sure the large wire has power all the time. If both of those are good than you can also try tapping on the starter, key word tapping, with a hammer while a helper holds the key in the crank position. BE PREPAIRED FOR THE STARTER TO ENGAGE AND START THE ENGINE! If the starter works after tapping than replace it. Let me know if you have any questions and I'll do my best to answer them. Thank you for using!

Posted on Jan 21, 2012

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