Question about 1996 Volkswagen Jetta

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Jetta heater core problem

As far as the heater core goes can you give me a detailed description of how to do this? I have the core but no idea how to take this thing apart

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  • oj82wer Jan 23, 2009

    same problem

  • Anonymous Jan 26, 2009

    I have a leaking heater core on my 1996 Jetta. Is there another way to access the box without removing the dash? What about through the firewall?


  • Ionascu14 Feb 09, 2009

    Yep! Same problem with my '96 Jetta. I just started removing dashboard components and whatever else is in the way. To me this looks like about a weeks worth of work to be done. I can only work on it for about 3 hours each evening. I still didn't figure out what bolts hold the dash in place. This is a big job!!!


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Normally we remove the dash. Do you have air conditionning as an option because the A/C lines run into the same box and you can't remove them without emptying the lines properly.

Posted on Oct 31, 2008

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I changed the thermostat but it still does not heat up what else could be wrong

Heater needs Heater Core, Heater control valve, air diverter inside the car and hot water in the heater core. If you just change the thermostat you must have had a reason. If the car was running hot it could be a radiator clog. If the core is clogged no heat. If the heater core was drained when you changed the Tstat there may be air in it - if so no heat. If the control valve (on the heater hose) does not shift- no heat. If the diverter door in under the dash does not direct the fan air through the heater core- no heat.

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You will need to get a service manual as it is too complicated a job to advise here.

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What do i have to take apart to get to my heater core?

Its behind the dash Usually a fairly big job Follow the 2 hoses in the engine compartment that go into the firewall Thatll at least tell you where it is located on the other side Btw...if its just clogged..have you tried disconnevting those 2 hoses and running some CLR into it, letting it sit and then flushing it Just an idea It works well

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How do you get a dodge 1500 2003 heater core out?

Well if your 1500 is any thing like my 03 2500 hemi 4+4 then you need about six hours of free time. The heater core is behind the passenger side dash area you have to first begin to take the front dash all the way apart and I mean all instrument cluster drop steering wheel from middle support bracket after that you will disconnect the ac lines into firewall this is not easy task but can be done with specialty ac tool then in both sides passenger four bolts on each side take those the whole dash can then be pulled back far enough to take two hoses of heater core and in engine compartment four bolts hold it in then follow steps to install

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I am looking for a complete diagram on how to replace a heater core with detailed description of how to replace one.

This can be a very involved procedure in some cars due to the location of the heater core, often buried under the dashboard.
I'd recommend spending (investing) ~$20 to buy a service manual which should contain pictures and hints on how to do that and most other things on your car.
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I have a 1999 chevy silverado and I need to change heater core

Not a whole lot different. Just need to keep removing plastic down at the heater until you get to the heater core. Then disconnect it on the firewall side.

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Oct 12, 2009 | 1999 Lincoln Continental

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I just had my a/c evaporator core and heater core replaced two weeks ago. The heater worked fine at the time. I just thought it was a good idea to change since they were changing a/c core, but now my heat...

My sympathy goes to the shop. If they forgot to re-attach something it may be unreachable and they may need to take it apart again. They must guarantee the work and make good on it.
If they try and give you any BS about something else failing so they can charge you again, request to have the part returned to you have an independent party check it and if it is good or has been tampered with can go from there.
good luck

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How difficult is it to replace a heater core in a 1993 audi 90 quattro? can znyone give me an idea on how to remove the dash?

when u do this take your time, don't force anything, if it wouldn't come out then u missed a retainer somewhere, also the heater core requires taking apart the air ducting, and make sure everything is hooked back up, take allot of picture's before hand to document where everything goes, the manuals are for professional factory tech's and they assume allot of basic knowledge, in other words they don't spell out every little detail.

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