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just bought a 93 Oldsmoble Cutlass and have no heat took it to the dealer and was told that it maybe low on freon. I never hear of that. just bought a 93 Oldsmoble Cutlass and have no heat took it to the dealer and was told that it maybe low on freon. I never hear of that.
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Re: I have a 1993 cutless and the heater is not...
Check the blower motor resistor or the fuse for the heater. The blower motor resistor should be right next to the blower motor. I hope this helps. Good luck and best wishes.
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There should be a fuse in the interior fuse panel for the rear window defroster, but the windshield defrost is a mechanical connection from the heater controller. If your heater works out of the vents and the floor position, but not diverting air to the defroster you most likely have an issue with either the cable or the diverter door itself.
Sounds like a blown fuse...Check your fuse block for the rear window defroster...If it is OK, it might be that the leads to the window defroster have been broken by many openings and closings of the rear hatch.
You must remove the entire dash assembly and then cut the AC heater ducting open to gain access, this is not a job for any but the most seasoned home mechanic. Time required is about 14 hours.
You definatly have water inside the car. Pull the carpet back in the front and rear checking for water leaks. The only way frost can develope inside a vehicle is the presents of moisture. The other possibility is your HVAC drain is plugged and water has built up inside the heater motor area. Have the drain checked and cleaned.
If your radiator is hot You may have a stopped up heater unit.You can try flushing the water sys. with half white vinegar ,half water.Some times that helps. If not you may have to replace the heater unit.That is a job.
It more and likely is the servo motor (s) that are the problem, when you turn hot to cold and defrost they cycle the vents in conjuction and are a common failure on this model.
The ones that fail are accessible if you remove the right underscuttle panel and the glovebox.
Black motors with a double wire, usually have a red connector on the end.
JPTCAT
just bought a 93 Oldsmoble Cutlass and have no heat took it to the dealer and was told that it maybe low on freon. I never hear of that.
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