Question about 1997 Pontiac Grand Am

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1997 grand am evaporator core removal

How do you go about taking one out or is there a diagram that can show me how to do this.I just spent over 500$ getting the a/c fixed just for this to go now..

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If you're planning on removing and replacing an a/c component you're going to need an a/c machine to recover the refrigerant with and to check your system for leaks once the component has been replaced. you're better of just taking it to a shop

Posted on Sep 01, 2008


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How To Replace The Heater Core In A 1997 Ford Thunderbird LX

Heater Core Removal
  1. Partially drain the cooling system.
  1. Remove the tube gasket from the heater core tubes.
  1. Remove four heater core access cover retaining screws and remove the access cover from the A/C evaporator housing (19850).
  1. Remove A/C electronic blend door actuator.
  1. Slide heater core (18476) and seals from the A/C evaporator housing.
  1. Install the heater core in the A/C evaporator housing with the tube gasket on the outside of the case.
  1. Install A/C electronic blend door actuator as described.
  1. Position the heater core cover on the A/C evaporator housing. Install the four retaining screws.
  1. Refill the cooling system.


    Item Part Number Description 1 18596 Heater Core Tube Gasket 2 18476 Heater Core 3 18B300 Heater Core Cover 4 390747-S2 Screw (4 Req'd) 5 18N267 Heater Core Cover Seal

    Hope this helps... Cobra

Jun 12, 2010 | 1997 Ford Thunderbird LX

1 Answer

How do i change a leaking evaporator core.

the entire dash, door to door top to bottem has to be removed to be able to take out hvac housing so you can take apart to get at the core [recomend do heater core at same time] the dash comes out as an entire unit guages and all. bolts on ends under plastic covers,on top near winshield under vent trim.,bolts on floor in center below radio and a/c controlls,steering column has to come out. multiple wire connectors etc. its an all day job for a pro so its going to take awhile but its pretty straight forward

May 06, 2010 | 2000 Chrysler Grand Voyager

1 Answer

Leak on my heater i have to remove the core and the evaporator

No just the Radiator and take it to the Rad people for perssure testing first before doing any work on it as if it shows more leaks under pressure than the one you have Dont get it fixed as it will be out again in 3 weeks get it recored and fit a new thermostat the same time..

Oct 06, 2009 | 1997 Toyota Paseo

1 Answer

I am needing to know how to unistall and then install new heater core for a 1997 pontiac grand am

The heater core is a bit tricky and time-consuming, but you can do it if you take your time.

Remove the following:
1. Negative battery cable from the battery (just to be safe)
2. Drain the cooling system. There is a valve at the bottom of the radiator for this purpose.
3. Raise the front of the vehicle.
4. Disconnect the A/C drain tube (it is just a small tube that allows condensation from the evaporator to drain outside of the car)
5. Remove the heater hoses from the heater core. These are only accessible from underneath the car and run through the firewall.
6. Center console
7. The kick panels/under-dashboard sound insulators
8. the filler around the steering column. This just pulls off if I remember correctly
9. floor air outlet duct (also just pulls off if I remember correctly)
10. heater core cover - this is held on with several screws - maybe even a dozen or so. It is much easier to get access if you pull the carpet out of the way first.
11. remove the heater core mounting clips and the heater core.

Installation is the opposite of removal.

Be prepared to have a sore back/ribs after doing this. You'll definitely want a flashlight and maybe a mirror to help you see under the dash board.


Jun 23, 2009 | 1997 Pontiac Grand Am

1 Answer

How do replace a 2000 Jeep Grand Cherokee evaporator? Do I need to take the whole dash apart?

I have read it is quite a job. The heater core in my 97 Grand Cherokee (which is in the same location as the evaporator) is leaking. I think you have to remove the entire dash to get to it.

Apr 15, 2009 | 2000 Jeep Grand Cherokee

1 Answer

1997 Jeep Grand Cherokee

Yes, there is not an access hole that allows any other method. Start by disconnecting heater hoses, then remove dashboard ***'y. Not too bad on Jeeps. Then you may or may not have to remove the whole HVAC box depending on where the lid for the heater core cavity sits. Usually this whole box must come out to get heater tubes thru the firewall. Then you can take the cover plate off, unbolt the tiny screws that hold down the arms, and remove the offending core. Good luck, takes me a day or less, and I've done it for years. Worth the 400-600 plus that shops charge for this if you are not into meticulous work, tiny screws, and lots of crawling around inside a Jeep. Don't worry, you're not alone in this. Only a handful of today's cars can be re-cored without removing the dash, or at least setting it back on the seat (on a blanket) to gain access to the HVAC box. Hope this helps you make your decision. TT

Jan 28, 2009 | 1997 Jeep Grand Cherokee

1 Answer

Replacing evaporator core in 1997 plymouth grand voyager!!!!

Hello. My name is Chuck and I owned a radiator and air conditioning repair shop for 20 years. The answer to your question is the whole dash board assembly. You need to remove everything to gain access to the evap core. I'm sorry to be the bearer of bad news .At my shop everybody wanted their a/c fixed but nobody wanted to pay the price and I can't blame them. I charged 800 to 900 bucks complete for this job and the chrysler dealer charged about 1200 plus for the same work. Good luck.

Jul 07, 2008 | 1997 Plymouth Grand Voyager

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