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Old 01-07-2013, 06:48 AM   #1
Metalhorse
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Question Replacing A/C evaporator core

I am wondering if anyone has any experience replacing their A/C evaporator?

I own a 1996 318ti. I live in Australia, so my 318ti is right-hand drive. We've been having 40 degree celcius days in Sydney, and my black ti with black leather seats has become a sweltering hot box.

I had the air conditioning system inspected, evacuated and re-gassed 3 weeks ago and at first it worked fantastically. However, it has slowly gotten less and less effective, so I took it back to the shop for another inspection. The mechanic seems confident the leak is coming from the evaporator core (which from my Bentley manual I understand is located within the heater box behind the dash). Using a black light he could see dye leaking from the area above the front of the gearbox (I think there's a drain hose coming out from the heater box there?).

We discussed the possibility of using a stop leak compound, but the guy said that from his experience, I'd be unlikely to get more than 6 months out of it.

I'm looking into replacing the evaporator core, and a new core doesn't seem too expensive. Of course, I intend to replace the O rings and the receiver/drier at the same time. I imagine the amount of time and effort involved would be pretty substantial. I would love to hear from anyone who's had some experience with this. Any hints/tips/cautions would be greatly appreciated!
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Old 01-11-2013, 09:31 AM   #2
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I guess the lack of replies answers my question... seemingly no-one on here has tried this before.

Maybe if I end up doing it myself, I'll post a few pics.
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Old 04-18-2013, 02:52 PM   #3
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please do, I am in the same boat
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Old 05-07-2013, 08:59 PM   #4
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yes its leaking and my super seal, failed four times.
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