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How to replace heater core 1994 cadilliac Deville

How to fix heater system in cadilliac 1994 Deville

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Posted on Jan 02, 2017

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SOURCE: 1994 Cadillac deville, no heat. blower works,

may i ask do you have good antifreeze in it for the minus temp

Posted on Dec 08, 2009

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SOURCE: How to remove and replace a heater core for a 1998

if I remember correctly the engine has to be removed.

Posted on Nov 05, 2009

  • 10 Answers

SOURCE: how to replace heater core

Send your email address to rdrake9145@aol.com, and i will send you detailed instructions in Abode PDF format,

Posted on Feb 14, 2010

  • 1 Answer

SOURCE: how long does it takes to replace a heater core

i was surrounded by smoke in the inside of the car while i was driving the car started to overheat and antifreeze poured into the inside passeger side of my car is it the heater core and is it exspensive?

Posted on Feb 15, 2010

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3 Answers

How come when I start up my 1999 Cadillac deville I smell antifreeze real strong through the vents ? Is something wrong?


The heater core may be leaking / faulty - not familiar with Cadillacs, but normally it is located inside the car, behind the dashboard (glovebox) on the passenger side (near the blower motor). This may be something for a mechanic to diagnose if you are not familiar with automotive heating/cooling systems.

Mar 02, 2017 | 1999 Cadillac DeVille

1 Answer

HEATER CORE LEAKING


You ahve a few options for this. You can have the heater core bypassed all together, but you will not have any heat. You can have it replaced, a bit on the expensive side, or you can get Bar's heater core leak repair from your local auto parts store. With the heater core leak repair you will have a little heat, but not as much as replacing the entire core. Make sure the Bar's is the aluminum flake.

Jan 07, 2013 | 1994 Cadillac DeVille

1 Answer

My heater doesn't work. The blower comes on but no heat. Regardless of the setting (60-90 degrees) only cold air. Defrost works to clear windows but no heat.


Most likely your heater core has been clogged up with years of contaminants. The fix here is to pull the heater core, have it flushed or replaced, and put it back.

Dec 25, 2010 | 1994 Cadillac DeVille

1 Answer

Heater core leaking car get hot fast.


two solutions

1.) replace the heater core
about a 2.5 hour job

2.) disconnect the heater core hoses under the hood and tee them together
about 5 minutes
down side is you wont have heat inside the car anymore

May 05, 2010 | 1994 Cadillac DeVille

1 Answer

How to change a fuel pump for a 1994 cadilliac deville


Your pump is located inside the fuel tank and requires a great deal of experience to exchange. There are numerous tips and tricks that keep you from pulling your hair out. They are far too many to list here. Thank you, Dana

Feb 16, 2010 | 1994 Cadillac DeVille

1 Answer

When i drive my father in laws 94 cadillac deville for about 20 mins. fog starts coming out of the defroster how do i fix this


You probably also have a sweet smell when the fog comes out. This means the heater core is leaking and needs to be replaced. Hope this helps.

Feb 03, 2010 | 1994 Cadillac DeVille

1 Answer

I HAVE A 1994 CADILLAC STS AND NEEDING TO REPLACE A HEATER CORE. HOW DO I DO IT MYSELF?


This can be a very difficult repair. If you pay someone to do it, the labor costs are very high due to the amount of labor necessary to even access the heater core. I cannot tell you step by step how to do this. I can however tell you that you will have to remove enough of the dash to allow access to the core. Go slow, be careful and do not break any of the parts. Use common sense to figure out how the parts come apart. Look for screws and clips. Some plastic parts just snap together. Take digital photos as you go along to help you in reassembly. It is just a matter of getting to the core and removing it. Of course you will need to drain and flush the cooling system, replace the thermostat, and add a fresh 50/50 mix of DexCool & Distilled water after installing the new core. Be sure and set the heat to high when pouring in the fresh coolant. Bleed all air from the system.

Sep 09, 2009 | 1994 Cadillac DeVille

1 Answer

1994 Cadilliac Sedan DeVille


sounds like a bad mass air flow sensor. this sensor is located on the duct that connects to where the air filter goes, it should have one or two wires coming from it. Unfortunitly they are rather expensive so you will want to have someone with a computer hook up to your car and tell you what the exact problem is before you just go and poke around replacing expensive parts that do not need to be replaced.

Dec 29, 2008 | 1994 Cadillac DeVille

3 Answers

1994 cadillac deville concours


On my car, which is the same as yours, it is located on the manifold top back left. Pictures in the book just show it on top.

Oct 14, 2008 | 1994 Cadillac DeVille

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