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> Evaperator Replacement Instructions
jimsvovlo
post Nov 27 2005, 05:41 PM
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In the middle of tearing apart my volvo to replace the evaporator. How do I dsconnect the A/C lines from the evaporator under the hood. I see a black ring around the attach point, any secret to getting that thing apart?
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Tech
post Nov 27 2005, 07:17 PM
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You need a special tool to get the A/C lines loose from the evaperator.
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jimsvovlo
post Nov 28 2005, 12:56 PM
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Tech,

Got the special tool ($10 for 4 sizes at autozone) and everything is back together. Im down to refilling the system. I have a can of dryer, a can of sealant and a can of freon. Do I really need to vacuum the system? If so, how do I do that and what tools are needed? If not I'm going to follow the directions on the DIY kit I bought and go from there. Any other recommendations? Thanks
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jimsvovlo
post Nov 28 2005, 07:02 PM
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Also, what tool do I need to use to get the connections back on?
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Tech
post Nov 28 2005, 07:54 PM
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Nothing to go back on they will just snap back on.
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jimsvovlo
post Nov 28 2005, 09:21 PM
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One side snapped on the other side just slides back and forth without locking. Should I try clamping it down with a pair of plyers or does it have to be replaced?
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jimsvovlo
post Nov 29 2005, 10:01 PM
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Got everything put together, 4 0z of oil, vacummed the system, 4 0z of oil, and recharged. It's blowing super cold air again and no leaks.

One last question. My SRS light is now on - I've checked all the connections. Anything else I can do? No codes in the OBD - kinda at a loss for ideas on this one. Tech, thanks for the great instructions on the evaporator replacement - I would not have attempted this fix without it.

Jim
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ampangbear
post Dec 1 2005, 06:46 AM
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I think you may need to get the dealer to reset the SRS.

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Tech
post Dec 4 2005, 10:12 AM
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You have the passenger side airbag plugged in?

Also if you turned the key on before you had everything plugged in it would have set a code. You will have to find a scanner that reads SRS codes.

The average scanner won't read SRS codes.
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bro_hof
post Apr 6 2006, 10:59 AM
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Hey guys, what is the name of the special tool you are referring to that removes the AC lines from the evaporator. Is it an Orifice Removal Tool?
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Tech
post Apr 8 2006, 05:44 PM
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No it is not. I think the specific name is A/C line quick disconnect tools.
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blakbyrd
post Jan 11 2008, 01:00 PM
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QUOTE(keybuster @ Aug 26 2005, 09:42 PM)
hey guys i am going to attempt the evap. replacement on labor day,  i figure that i could use the extra day. Are there any sugestions, i am a locksmith at a, famous for basketball, southern new england university, previous to this 18 years in this  field i was a motorcycle mech. I feel that i can replace the evap. but i dont know how to clear and recharge the system afterwords. any tips or links would be greatly appreciated!!!! :liebe011:  :liebe011:  :liebe011:
[right][snapback]14208[/snapback][/right]

Just a note regarding recharging my 95 850. As best I have been able to find out, this system requires being recharged under a vaccuum. Simply using a recharge bottle from Advance, AutoZone, etc does not work. At least in my case it wouldnt work, and that was just trying to add some freon to get the pressure back right. Under a completely discharged system, I cannot imagine it working without doing so with the proper equipment under a vaccuum.

I tried doing so multiple times on my own, but as soon as I took it to an A/C place that could do so under a vaccuum properly, it worked great and blew at a cold 33 degrees (actually too cold i think as it would keep freezing up, and an apparent leak made it quick working again as soon as its pressure dropped below the acceptable amount).

In any case, recharging under a vaccuum is required from what I can tell, which I think is not something most DIYers can do (or I just dont know how to do so).
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y0itzflip
post May 26 2008, 12:52 PM
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lets say i think i have a clogged or leaking hose evap (the notorious water leaking on pass side), would i have to do allt ehse steps?
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Tech
post May 26 2008, 06:37 PM
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No you can fold down the carpet behind the radio area of the dash on the side. Thne there is a plastic cover. Closest to the dash pull the panel towards the dash and slide towards the back of the car and remove it.
Then you can see the drain hose.
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y0itzflip
post May 26 2008, 08:28 PM
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thank you! i will go try that now and let you know the results!
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y0itzflip
post May 26 2008, 08:58 PM
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is it a black hose that leads into the floorboard? seems like its fine.

i notice that i notice the water drip out around the pass side when i turn left. sometimes i can hear the water dripping somewhere in the dash, then i turn left and it all comes out on the pass side.
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ampangbear
post May 26 2008, 10:20 PM
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If you can HEAR the water dripping, then sounds like your heating coil is busted.







Sorry, that was just a guess-talk.


This post has been edited by ampangbear: May 26 2008, 10:21 PM
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Tech
post May 27 2008, 07:17 PM
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Did you remove the hose and blow into it?
If it is clogged you will need to blow into it to try to unclog it.
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ampangbear
post May 27 2008, 07:49 PM
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Tech, what about the use of the 'cleaning chemicals' for those places? Some say it erodes the material.

What say you?

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y0itzflip
post May 29 2008, 09:43 AM
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no i havent removed it, but i will try...i just know if im at a stand still and i have the ac on, i can hear water but see no leak...i turn left and woooooooooooooooooooooooooooosh water dripping down the pass side
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