Question about 1993 Oldsmobile Cutlass Supreme

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Heater wont warm up on 93 cutlass supreme

Already changed thermostat but still blows cold air

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  • Oldsmobile Master
  • 21,873 Answers

If the heater hoses are getting hot, and the radiator is full of coolant, it could be a faulty blend door under the dash.

Posted on Jan 04, 2013

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Posted on Jan 02, 2017

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SOURCE: overheating 94 cutlass supreme

after replacing the thermostat and when you refilled th radiator did you make sure you got all the air out of the cooling system? if so my guess would be you got a head gasket problem.In the long run take it to a shop ,have them check it out and giveyou a estimate.

Posted on Feb 23, 2009

autodr
  • 260 Answers

SOURCE: Olds silhouette heater blows cold air

as long as the engine temperature is normal, i would suspect a clogged heater core, the dex-cool antifreeze is notorious for building up deposits in cooling system. have heater core flushed first to see if it makes any difference

Posted on Nov 16, 2008

  • 1 Answer

SOURCE: Heater blows cold air unless accelerating

See my posted question under 2001 Mercury Villager: "HEAT BLOWS COLD WHEN CAR IS IDLING" I got an answer from chuck943 about air pockets and it was very helpful.

Posted on Feb 25, 2009

csmock132
  • 4669 Answers

SOURCE: air will not get hot

Try flushing the heater core with a garden hose.

Posted on Mar 14, 2009

  • 1 Answer

SOURCE: how to change horn in 1996 cutlass suprem

Unhook the battery cable for a couple of minutes and see if light comes back on after re-attaching.

Posted on Jun 08, 2009

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1 Answer

Motor over heats and heater blows cold air


there could be a couple things going on here -- the water pump could be bad and needs to be replaced,, and/or the thermostat is bad and needs to be replaced.

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Feb 06, 2011 | 1995 Oldsmobile Cutlass Supreme

1 Answer

My is heat is not work?My car is blowing cold air instead of hot air, I have a brand new heater core,the thermostat is not sticking,I got anti-freeze in it,It's getting cold in I need heat.Please help me


first feel the heater core hoses see if both are hot if so then your problem is in the blend air door must be stuck on cold. is your blower motor blowing cold air if not your blower motor might be the problem. the blend air door is down by the blower motor.

Nov 17, 2010 | 1995 Oldsmobile Cutlass Supreme

1 Answer

I have a 1993 Olds Cutlass Supreme. The Defrost works and it blows air out of the floor vents. It does not blow warm or cold air out of the dash vents???????


the heater control panel possibly bad. the panel where your heater is at. on the dash,actually where you're turning the directiona for floor and dash, or it could have a bad connection on switch behind the panel.have you spilled liquid on dash in the past? if so you may be able to pull the panel and clean it in order for it to work again. hope this helps!!!

Aug 18, 2010 | 1997 Oldsmobile Cutlass Supreme

1 Answer

No heat heater core is warm fan blows cold


Have you check the vent shut off valve. It's behind the glove box and you may have to manually open it to get heat or air.

Jan 29, 2010 | 1994 Oldsmobile Cutlass Supreme

1 Answer

The heater blows warm not hot and sometimes cool


1. Most likely an open (or missing) thermostat. (install new thermostat)
2. Could also be the heater core is clogged. (flush cooling system and fill with proper antifreeze.

Oct 11, 2009 | 1997 Oldsmobile Cutlass Supreme

1 Answer

Temperture gage reads hot heater blows cold air


. make sure valve on hose to heater from radiator is all the way open.

Mar 01, 2009 | 1995 Oldsmobile Cutlass Supreme

1 Answer

Overheating 94 cutlass supreme


after replacing the thermostat and when you refilled th radiator did you make sure you got all the air out of the cooling system? if so my guess would be you got a head gasket problem.In the long run take it to a shop ,have them check it out and giveyou a estimate.

Jan 31, 2009 | 1994 Oldsmobile Cutlass Supreme

1 Answer

Engine overheating-----1994 Olds Cutlass Supreme 3.4 liter v/6


There seems to be an air pocket or no antifreeze in engine block. Try this method disconnect upper radiator hose and pour water directly into hose down into engine block until it full. when its filled reconnect hose and fill up radiator. as the vehicle warms up open bleeder valve on the thermostat housing and release air from system. open slowly and BE VERY CAREFUL WATER WILL BE HOT, bleed until you get a steady stream opening and cosing valve. However if all of this don't work. You may have a bad pump. Good Luck

Dec 27, 2008 | 1994 Oldsmobile Cutlass Supreme

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