Question about 1992 Oldsmobile Cutlass Ciera

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How do you change the heater core and how much of the dash do you have to take off in order to get the heater core

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  • yadayada
    yadayada May 11, 2010

    U will need to remove then entire dash Assembly from the car to access the heater core.


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Hmmmm think this is the same i have done b4 u change frm under the hood pass side not a bad job bout 45mins cant b-done frm inside the car due to AC coils

Posted on Apr 18, 2009

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1 Answer

How do I change my heater core in my 1996 ford ranger

The heater core is located in the heater box, under the passenger side of the dash. Most FORD heater boxes are snap-clipped together, and if you remove the rear panel from the heater box, you will see the heater looks like a smaller radiator...twist the heater hose off of the heater core (x2) from the engine side and gently remove the heater core from under the dash. When replacing the new heater core, be very careful re-installing new hoses to the is a fragile thin metal that can leak almost instantly if tweaked too roughly...replace all parts in reverse order of removal.

Feb 01, 2015 | Ford Ranger Cars & Trucks

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Heater core

Remove the dash, remove all fasteners and seperate the heater core housing, remove the core. Install in reverse order. Its a tough job for a novice, i suggest let a shop do it.

Dec 06, 2013 | 1993 Pontiac Bonneville

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How do i change the heater core?

Some heater cores are quite complex in removing. They are sometimes buried behind the dash board. Often other parts of the dash will also have to come out (Glove compartment) to reach it. You have to locate and remove the heater box under the dash (usually on the passenger side) after disconnecting the heater hoses under the hood by the firewall. The heater box will have a wire harness and/or cables connected to it that will have to be disconnected before the box will drop out. Once the heater box is out...remove the cover and heater core and reinstall in the reverse order that it was removed.

Feb 15, 2011 | 1992 Buick Regal

1 Answer

How do I get to the heater core on a 250 ford econoline

In order to change the heater core on most trucks you have to remove the Air Handling Unit (evaporator case) from under the dash. In most cases you have to remove the entire dash in order to get the case out. (the case is the big black thing under the instrument panel, mostly on the passenger side.) Im order to get the case out you have to remove the nuts from the bolts that go through the fire wall. Next you have to pump down the AC system and unhook the evap. core at the TXV (near firewall). The next step is to remove the heater core lines at the firewall. (ALL 3 of these are done in the engine caompartment.) Now is where you would remove the instrument panel, and the AC system duct work. After all that you should be able to get the Air Handling Unit out. once the caseis out you have to take out the screws that hold the center seam together, and whatever else may be in the way (actuator linkages, wireharnesses, etc, etc.) Once you have "split" the case you should simply be able to pull the heater core out and put in the new. Reverse the process to put back together. Hope this helps.

Jan 01, 2011 | 1993 Ford Econoline

2 Answers

How do i change heater core in 1999 dodge caravan?

Big job.
Remove the dash. The heater-core is behind the center console.

Oct 25, 2009 | 1999 Dodge Grand Caravan

2 Answers

Im trying to find the heating core

under the dash in front of the center console look up. remove the black cover on heater box it will be their.

Mar 24, 2009 | 1996 Pontiac Grand Am

2 Answers


Drain the coolant. Remove the dashboard first, then a bunch of air ducts, then the heater core cover. Remove the heater hoses in the rear of the motor, and finally the heater core.

Feb 21, 2009 | 2004 Chevrolet Impala

2 Answers

Heater core

It is not easy. you have to remove the old heater core under the dashboard.First you remove the hoses at the firewall going into the cab.You have to drain the coolant and be careful not to spill it when the core is removed. Then you remove the core which is attached with some small bolts and screws. It is uncomfortable to say the least. But it can be done . Did you try to flush out the old heater core ? Sometimes you can flush out the heater core by removing the hoses from the heater core attachment lines . Not the ones to the firewall. See which one is the inlet and the outlet. Run a hose with a good amount of preassure not a lot. you don't want to rupture the core. Run the water into the inlet and it will come out the outlet hose. Flush it to remove all debris until all you see is clear water coming out.Then reverse the hoses and place the hose on the outlet and it will come out the inlet. If the core is leaking you will see a wet spot in the carpet under the dash. Then the heater core has to be replaced.

Jan 11, 2009 | 1998 Ford Explorer

2 Answers

Replace heater core on 1992 buick roadmaster

It appears I was incorrect about removing the dash assembly, here are the instructions from a Buick owners club.

Under the passenger dash is an access panel that will allow you to remove the heater core, it really isn't that hard, there are lots of little dash screws and panel screws to remove before you get where you need to be but at least it is roomy. The AC evaporator is located by the heater core. I will give you a tip. I changed mine last year and the heater core that I ordered for my 92 Roadmaster was not correct, when I took my old one out and matched it in a book at the local part store, the heater core for my vehicle was listed as a 96 Caprice???? The car has been in my family since it was purchased new and the heater core had never been changed!!!! Explain that one!Oh yeah, one more tip, if your heater core is leaking, this access panel lowers towards you, if there is nasty sweet smelling water in there it will pour all over you, be careful! Caprice parts are the same as a Roadmaster,so if you ever need anything just look up caprices

Dec 16, 2008 | Buick Roadmaster Cars & Trucks

1 Answer

Heater core leak ??

Yes it is a heater core leak, here is how to change it.

Remove battery cables. you have to remove the upper dash pad on this paticular year model. with a 10 mm socket and a 1/2 inch extension remove the 5 retaining bolts. remove the blower assembly under the passenger side of dash. remove passenger side seat and center counsole. drain radiator. disconnect hoses from now exposed heater core. turn it 180 degrees and slide out. Replace in reverse order.

Nov 24, 2008 | 1995 Isuzu Trooper

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