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Old 07-03-2006, 09:11 PM
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Join Date: May 2005
Posts: 12
Smile Replacing A/c Expansion Valve On 1995 S320 W140

I want to replace the expansion valve on my 1995 S320. Can someone please give me the instructions how to do it. Where to locate it, remove it and replace it? Is there link with pictures to show?

I have problem with with my A/C that it does not blow cool air even completely recharged. I took to the A/C shop. They evacuated and recharged and it is still no cool air. They run pressure check and found there is blockage in the system. They wrote up an estimate to replace the compressor, expansion valve and drier for about $1,800 in cost. I ask them why replacing the compressor, they said it may be contaminated.

If you know how to fix this problem, please help me out. I really need to save some money.

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Old 07-03-2006, 11:51 PM
Registered User
Join Date: Oct 2004
Location: Baton Rouge La
Posts: 2,630
scroll down.... replacing yours should be like the one i am doing on a 1989 124

challenging, but do-able.... of course i am not done yet.

i would say do the expansion valve and drier.... those parts don't exceed 60 dollars or so...

1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k

1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it

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