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#1
05-27-2006, 09:06 PM
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When I open the A/C system, how long is too long?
Okay, bought the comressor, and expansion valve, and a receiver, an o-ring kit, have the freeze 12 from DG, and PSYCHED up about getting greasy this weekend. Then, I found out the Army Base Hobby Shop isn't open until next weds (96 hours from now). If I crack into the a/c, blow things out, new o-rings, reassemble, is it gng to hurt anything to have air in the system and no vaccum for almost 4 days? Should I wait till monday to crack it open (2days)?
System is currently R-12, all original so far. If the Hobby Shop has a reasonable price for R12 and it holds vaccum, I may fill with R-12. 
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#2
05-27-2006, 09:11 PM
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Where's the dryer at on your list?
__________________
I'm not a doctor, but I'll have a look.  '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#3
05-27-2006, 09:13 PM
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Quote:
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#5
05-27-2006, 09:23 PM
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Ah okay, didn't see it.
__________________
I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#7
05-27-2006, 10:41 PM
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Just don't open the drier until you are ready to hook up the vacuum pump.
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#8
05-27-2006, 11:05 PM
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I had this exact question, so I appreciate the answers also. And the question.....
__________________
Jimmy L. '05 Acura TL 6MT  2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China"  Scar engine installed'81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John
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#9
05-28-2006, 02:24 PM
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Install the drier dead last before you seal up the system. Opening up the system and exposing the drier for very long will ruin the desicant. Make sure you pull a vacuum on it for about 1 hour and let it sit another to make sure there is no leaks.
__________________
1981 300D 147k 1998 VW Jetta Tdi 320k 2001 Dodge Ram 2500 141k 1979 300D 234k (sold) 1984 300D "Astor" 262k(sold) Mercedes How-To and Repair Pictorials I love the smell of diesel smoke in my hair 
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