Question about 1993 Oldsmobile Cutlass Supreme

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How do you change antifreeze in a 1993 oldsmobile cutlass and replace the heating core?

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The radiator should have a drain plug on the lowesr point if not the plug may be on the engine block

Posted on Oct 01, 2009

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CUTLASS CIERA 1993 NOT TURNING OVER DUE TO DEAD BATTERIE


Replace your battery with a new one. Take your old one out and take it to an auto parts store. They will give you a core credit for your old battery.

Jun 11, 2014 | 1993 Oldsmobile Cutlass Ciera

1 Answer

Heat wont work in my 93 cutlass supreme, blower works, just no heat.


Make sure there is antifreeze in the radiator and then try replacing you heater core.

Dec 29, 2010 | 1993 Oldsmobile Cutlass Supreme

1 Answer

WHAT TYPE OF MOTOR OIL DO I USE AND HOW MANY QUARTS FOR 1993 OLDS CUTLASS SUPREME 3.4L


1993 OLDSMOBILE CUTLASS 3.4L 6-cyl Engine Code [X] DOHC

5W30 for all temperatures, 10W30 for above 0*F.

Capacity is 5 qts. without filter change. Add extra oil when replacing filter.
I suggest adding in increments of 1/4 qt. (4oz.)at a time until "full" is indicated on the dipstick.

Sep 30, 2010 | 1993 Oldsmobile Cutlass Supreme

2 Answers

94 cutlass supreme is overheating,all fluids are fine. I did have someone tell me i need 3 motor mounts replaced. could this be an issue of the car overheating?


Over heating can be caused by a faulty thermostat and or weak water pump and dirty radiator and old antifreeze or the radiator fan now working when at idle but should not over heat when driving. Service the cooling system if it has never been serviced before. Replace the thermostat, buy some radiator flush to clean out the radiator and heater core. Just follow the instruction and replace the antifreeze and make sure it's a 50/50 mix water/antifreeze. If you not sure how to mix it 50/50 you can buy them 50/50 premixed. Water boils at 100'C so you need antifreeze mixed with it but antifreeze does not have the same heat transfer as water so you cannot run 100% antifreeze cause it does not transfer heat fast enough and you over heat. Good luck and hope this helps. Keep me posted, Be glad to help, once you service the cooling system and your still over heating, then we look at the water pump.

Jun 16, 2009 | 1994 Oldsmobile Cutlass Supreme

1 Answer

No heat coming from heater


heater core is shot most of them are located under the dash board, look to make sure or call a garage they can tell u were its at

Feb 28, 2009 | 1993 Oldsmobile Cutlass Supreme

1 Answer

I have a 92 oldsmobile cutlass which I have changed the thermostat on but still have very little heat what could the problem be?


Hello, It sounds as if your cutlass has a stopped up heater core, not completely but highly restricted. Remove both hoses and see if you can take a water hose and flush it out. Thank you

Feb 22, 2009 | 1993 Oldsmobile Cutlass Ciera

1 Answer

Anti freeze is deposited on my windshield when heat is turned on


You may have a leak in the heater core or the hoses to the heater core located under the dash. check to see if there is any moisture under your dash in the carpeting.fix the leak, and you will fix the cause of antifreeze on the windshield.

Feb 03, 2009 | 1991 Oldsmobile Cutlass Ciera

1 Answer

The engine is over heating


are you loosing antifreeze and then overheating
these cars had intake gasket problems and would leak antifreeze into the intake and some times into the oil.

Sep 10, 2008 | 1996 Oldsmobile Cutlass Ciera

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