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1999 BMW 528 not cold

Tiny
FORERUNNER
  • MEMBER
  • 1999 BMW 528
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 75,000 MILES
Recently my ac was working fine, but now just blows air and not cold even though I lower tempereture.
All belts are running and wondered if it needs freeon recharging?
If it is can I do it myself?

Mike
updated 3-9-09
In addition to my question I also want to add that there is a check engine light that comes on every now & then. Could this be related ac problem?
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Monday, March 9th, 2009 AT 2:05 AM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You can do it yourself by using the R-134a canister w/gauge
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Monday, March 9th, 2009 AT 2:14 AM
Tiny
DOCHAGERTY
  • MECHANIC
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Probably not. The fact that the system is low means there is a leak. The leak detection and recharging equipment is quite expensive. Overcharging is dangerous and possible if you just add refrigerant without knowing what is in the system. I would take this into consideration. ♥
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Monday, March 9th, 2009 AT 2:18 AM
Tiny
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To add on top off Doc on this

The fact that the system is low means there is a leak. You'll be also losing the PAG oil and can cause the compressor to lock-up

You need a manifold gauges to read the high and low pressures
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Monday, March 9th, 2009 AT 3:22 AM

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