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#31
08-24-2012, 09:54 AM
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And my dealer, by my house, the rate is 145 an hour. My indy, is 75. The dealer needs those labor rates to keep the whole building working. And indy doesn't have so much overhead.
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2006 4.8is, Black on White. SOLD Sniff Sniff. 2017 F85 x5m, Black on Red. BEAST MODE "The older we grow the greater becomes our wonder at how much ignorance one can contain without bursting one's clothes." - Mark Twain Unlock OBC post 5 
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#32
07-10-2021, 08:24 PM
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Noob question here. If I emptied the AC system and replaced the AC condenser (under the dash), do I need to add any refrigerant oil?
If I do, where do I add it?
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#33
07-10-2021, 08:34 PM
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Quote:
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2003 E53 4.6is, titanium silver, black Nappa interior
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#34
07-10-2021, 10:04 PM
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No leak, believe it or not just preventative maintenance!
Was changing front carpet so changed it as well.
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#35
07-10-2021, 10:04 PM
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Just don't know if I need to add oil and where to
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#36
07-10-2021, 10:26 PM
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Quote:
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2003 E53 4.6is, titanium silver, black Nappa interior
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#37
07-10-2021, 10:48 PM
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Anytime you have the system open you have to have it evacuated afterwards to get any moisture out and in my case the condenser had to be changed as there is 30% chance that the oil in the system will slug it..
Sent from my SM-A730F using Tapatalk
__________________
"When the Team Chief said.... You're trapped in a hole with nothing but a goat and a slinky, what do you do? Stubby said, I'm not sure but it won't end well for the goat...." ~(Overheard) Last day, Phase 3, Q Course
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#38
07-10-2021, 11:14 PM
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The reason for oil slugging is guys adding oil with the recharge without measuring the oil in the compressor. The oil level in the compressor needs to measured and then oil to be added calculated from that. Adding the standard amount for the component replaced(2 oz. for evaporator for example) is close enough only if there is the right amount of oil in the system to begin with.
__________________
1988 325is (purchased new) sold 2004 X5 3.0 2005 X3 2.5 2008 X5 3.0 (new to me)
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#39
07-11-2021, 04:01 AM
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Thanks I understand I need to find an AC specialist to evacuate moisture and then measure oil in the compressor and add the proper amount. Looks like you gotta do it right not to screw it up. Hopefully the specialist doing it will know what he's doing!
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#40
07-11-2021, 09:09 AM
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To test a system, have someone remove all the R134 safely. Next, replace the valve stem cores! A $2 part will ruin a system. It's the weakest point. Over time, the valve stem ports will leak. I've repaired so many systems by replacing the core stems. Most of them were quoted entire A/C system rebuilds. Only have a few did need rebuilding only because of compressor failure. Once all the R134 is out, put vacuum on the system. Vacuum from 45 min to 1:30 min. Close the hose valves and turn off the vacuum. Don't remove the vacuum/pump hose. It should hold vacuum down to 26 Hg. If vacuum goes above 24 Hg, I start looking for a leak. If it holds below 24 Hg for 30 min or more, I charge it up.
You can buy a cheap pump at Harbor Freight or Craigslist. Hoses are cheap too. Anyone can test the system. Replacing parts takes more skill and time. I learned from a seasoned mechanic. It's the one skill he taught me that has save me the most money.
__________________
'06 X5 3.0i - bought @143,123 miles (12/26/20)
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