Question about 1993 Cadillac DeVille

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My 1993 Cadillac Deville ac heater fan will not go off

I can tun the car off and the fan still runs

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  • Cadillac Master
  • 2,620 Answers

Faulty coolant temperature sensor.

Posted on Nov 01, 2012

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: just brought used 94 cadillac deville ac works great but no heat

need to turn air compressor back on

Posted on May 10, 2009

stormbrewin
  • 426 Answers

SOURCE: changing the thermostat 2000 cadillac deville

The pressure they work within is usualy information on your radiator cap or owners hand book.Your thermostat should be a 180 degree but can vary The 180 is in reference to the heat required to open them so water can flow through and be kept at a more or less constant 180.There are other temp ranges for a wide variety of applications and 180 is the standard one for most vehiclesThe radiaor and water system is pressurised to lower the boiling point of the water The higher the pressure the lower the boiling point

Posted on Feb 15, 2009

SUPERMAN_B_1
  • 294 Answers

SOURCE: fuel filter replacement 1993 Cadillac Deville

hello. it should be located under your car on a line that's coming off your fuel tank and yes you can do this your self very easy to do ,you'll need a few box/open ended wrenches that's it you'll need to check the fitting or the nut on each side of the filter to see what the sizes are,befor removing the filter you'll want to take off your gas cap and remove your neg battery cable ,not when you find the filter it'll have nut on each side all you have to do it loosen them but make sure that you don't break the fuel line or kink it and after you have both sides loose then just finish turning them off and there you go the filter is off, nope no removing the gas tank some newer models you do and the filter is attached to your fuel pump and don't need replaced but for your car and year you wont need to remove the tank. good luck

Posted on Mar 25, 2009

  • 279 Answers

SOURCE: 88 cadillac deville, ac blower fan wont shut off,

Ralph,
Most common cause of this is the blower fan (proper name for the fan you refer to) continuing to run is a shorted out Electronic Climate Control Module. This solid state device replaces the older style fan speed resistor block (at about 4 times the price) This unit is found on the top of the HVAC box under the hood. (HVAC means heating, ventilation and air conditioning) The HVAC box is found on the passenger side of the firewall. Look behind the A/C's accumulator. It will have an electrical wiring plug on top of it. It will be fastened to the HVAC box with a few 7mm hex head screws. Very easy to change.
FYI, do yourself a favor and replace the blower fan motor at the same time. The Electronic Climate Control Module usually fails because the motor is drawing to many amps of current. This is because it's bushings are worn out or the brushes are worn out.
This is very common on Cadillacs and Buicks.
Charlie
PS Not sure why car won't start. Either you drained the battery or blew a fuse which controls starting the engine. Need more info regarding the "no start" condition.

Posted on Jun 14, 2009

Kravcar
  • 192 Answers

SOURCE: HOW DO YOU CAHNGE THE THERMOSTAT ON 2002 CADILLAC DEVILLE

The most common overheating problem with the Northstar engine is a blocked purge line. It's job is to purge air out of the cooling system.
There is a small diameter hose coming from near the top of the coolant tank,this is the purge line.
With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating.If the hose is clear, check for blockage at the nipple on the tank.Or trace the hose back until you find the blockage.The hose goes in to the engine to a crossover and comes out the other side to near the thermostat housing,the blockage may be there.

Posted on Feb 27, 2010

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I have a 1993 cadillac deville and the heat is not working properly it blows out air but cool air instead of hot


The most common cause of this is that the air temperature control door (called a blend door) is stuck or the tiny electric drive motor that moves it is defective. You will need a good shop that fixes AC/Heater issues to diagnose this, I am just guessing based on past experiences with GM (Olds and Cady) cars. A picture of the little drive motor is below, the door it moves connects to the hole that has white.
26331561-nhsvqpd10x5cpzd2oub1zine-2-0.jpg

Oct 28, 2016 | 1993 Cadillac DeVille

1 Answer

I have a 93 Cadillac Deville when I turn on the heat it blows a 10 amp fuse and the transmission stops changing gears. What is wrong?


4504204 A/c blows fuses - Document Download

thebestsolutions.top/F/cars/t4504204-c_blows_fuses
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Blower Motor Problems ' Auto Repair Help - YouTube

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Jan 10, 2016 | 1993 Cadillac DeVille

1 Answer

1993 Deville, no fuel data, or gauge, no ac/heater control, no radio


check all your fuses first, if they are all good, check for bad ground in dash panel

Apr 13, 2014 | 1993 Cadillac DeVille

1 Answer

Cadillac problems electric motor runs while parked


if its under the hood then it is your cooling fans

Dec 11, 2013 | 1998 Cadillac DeVille

1 Answer

AC blower will not turn off on 1999 Cadillac Deville?


Are you sure it is the AC blower? a lot of modern cars have a temperature controlled radiator fan, this can run when the engine is very hot , even when the keys are removed. It is a safety feature to protect your engine.

Mar 24, 2013 | 1999 Cadillac DeVille

1 Answer

1997 Cadillac deville overheats when airconditioner runs.Thermostat changed. Only does it when air is ran


are both fans running/working u have a fan for the vehicle it self and for ac/heat check to make sure ur fans r both working

Oct 21, 2009 | 1996 Cadillac DeVille

1 Answer

MY AC/HEATER DOES NOTHING WHEN YOU TURN IT ON. IT DOESNT BLOW AT ALL.


While parked with the hood raised, start the engine and turn on your a/c. Check to make sure your cooling fans are running. If they are, I would look into the blower motor for the passenger compartment blower. This is what causes the air to enter the vehicle. You could have a damper door that is not allowing it to blow into the passenger compartment as well.

Jul 12, 2009 | 1993 Cadillac DeVille

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