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 AC Leaking - Strong smell after charging.
#1074068
09/02/14 09:04 PM
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Joined: Jul 2011
Posts: 72
OP
Getting the Wheeling Fever
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I noticed that my once cold a/c needed a charge. After charging it up, it got cold. Then I went to drive it and it had a strong smell like spray paint coming out of the vents. Then the cold was gone.
Any ideas as to what happened?
Ken
95 Montero SR
95 Montero SR
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Re: AC Leaking - Strong smell after charging.
[Re: KWitcher]
#1074069
09/03/14 08:55 AM
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Joined: Apr 2006
Posts: 1,193
Body Damage is Cool
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your expansion valve is leaking
it dosent have to be surrounded by water to be an island
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Re: AC Leaking - Strong smell after charging.
[Re: mxmikie]
#1074070
09/03/14 05:16 PM
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Joined: Mar 2005
Posts: 1,006
Body Damage is Cool
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That or the evaporator or a connection in there.
KWitcher, it's a hard place to diagnose where the leak is because you can't really get in there without removing stuff. You could try dye then remove covers and use UV light to possibly see dye leakage.
If it's a 95 and never serviced it probably could use expansion valve and o-rings. Since it has leaked out you could also use compressed air and soap solution to look for bubbles. After fix you'll need to pull a vacuum for at least an hour.
92 Montero LS 3.0L V6 Auto, Stock, Original owner, 185,800K miles
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Re: AC Leaking - Strong smell after charging.
[Re: pcc]
#1074071
09/03/14 05:31 PM
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Joined: Jul 2011
Posts: 72
OP
Getting the Wheeling Fever
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Anyone know where the Expansion Valve is located?
95 Montero SR
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Re: AC Leaking - Strong smell after charging.
[Re: KWitcher]
#1074072
09/03/14 06:11 PM
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Joined: Dec 2006
Posts: 163
Wheeler
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It's in the part of the system that is under the dashboard.
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Re: AC Leaking - Strong smell after charging.
[Re: cheesegrater]
#1074073
09/03/14 06:29 PM
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Joined: Jul 2011
Posts: 72
OP
Getting the Wheeling Fever
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I looked through the Service Manual but didn't see anything about the expansion valve in the AC/Heating chapter? Anyone know where I can find some "how to replace" instructions? It's hot in NC and I want my AC back. <img src="/forums/images/graemlins/frown.gif" alt="" />
Ken
95 Montero SR
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Re: AC Leaking - Strong smell after charging.
[Re: KWitcher]
#1074074
09/03/14 07:03 PM
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Joined: Mar 2005
Posts: 1,006
Body Damage is Cool
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It's hot in NC and I want my AC back. Winter's just around the corner, then you'll have plenty of time to fix.
92 Montero LS 3.0L V6 Auto, Stock, Original owner, 185,800K miles
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Re: AC Leaking - Strong smell after charging.
[Re: pcc]
#1074075
09/03/14 09:34 PM
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Joined: Jan 2001
Posts: 13,649
Web Wheeler
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92-95 manual, page 55-34 et seq, gives the evap removal instructions. The expansion valve is item 7. It doesn't look too hard, unless getting the low/hi pressure line connection loose is a bugger. Remove the glove box door, the speaker garnish to the right of it, and unclamp the evap from the heater box and fan box and it's out.
Not responsible for advice not taken...
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