Question about 1991 Cadillac DeVille

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My heating coil is broke were is it located i have a 1991 coupdev

My heating coil is broke were is it located i have a 1991 coup deville?

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I don't have a manual but they are usually under the dash on the right side,,,,,look under hood for heater hoses going into the firewall that will be the heater core

Posted on Jul 07, 2010


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98 caddy deville nothstar v8 how to replace heater coil have no heat and I'm loosing water somewhere

the heater core in a 1998 Cadillac is very tricky to replace.
start with getting a pressure test to determine where the exact location of the leak is, it may not be the heater core.
if you do decide to pull the dash apart to change the core make sure the battery is disconnected for at least an hour to allow the airbag system to discharge.

Oct 11, 2012 | 1998 Cadillac DeVille

1 Answer

1991 caddillac coupe deville wont crank with key lights all work just wont engage starter

Could be the key switch, neutral safety switch, starter, or wiring problem.

Jul 15, 2012 | Cadillac Cars & Trucks

1 Answer

Where is the fuel pump locate on 1991

The fuel pump on that vehicle is located inside of the fuel tank.

Jul 31, 2010 | 1991 Cadillac DeVille

1 Answer

I need to locate the orifice tube in the a/c system in my 1991 cadillac deville

need to see a pic. on the orfice tube location on a 99 sabel

May 21, 2010 | 1991 Cadillac DeVille

1 Answer

1991 cadillac will not stay started

It could be the ignition module located inside the distributor.

Apr 23, 2010 | 1991 Cadillac DeVille

2 Answers

Where is the thermostat located on a 1977 cadillac coup deville?

its under where the top raidiator hose connects to the engine 2 bolts 1 bracket and take the top hose off

Jan 21, 2010 | 1976 Cadillac Deville

1 Answer

Accessing the door speaker in a 1991 coupe deville.

You have to remove the two screws that hold the armrest to the door inorder to get to the speaker. You also hve to remove the screws that hold the rest of the door panel inorder to take it off...

May 30, 2009 | 1991 Cadillac DeVille

3 Answers

1991 cadillac deville NO HEAT

I had the same problem in my 1991 caddy, and turned out to be the blend door. It is located in back of the glove compartment. There are two kinds, the automatic blend doors and the manuel ones. Since the temperature is automatic and programmed to stay where it is set, it would be an "automatic blend door". Not a hard fix...

Oct 18, 2008 | 1991 Cadillac DeVille

1 Answer

Key switch is bad. car won't start. mechanic cant fix it. what do I do? 92 coupe deville

Reprogram your ignition swith this can be done by an auto locksmith or cadillac dealer

Aug 23, 2008 | 1991 Cadillac DeVille

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