bleeding the A/C - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-17-2004, 01:36 PM   #11
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no worries.. I have it dumped into another tank ( which holds the contaminated freon with air ) and when it gets full I take it into the shop for them to recycle it.. don't know how the hell they do it.. but nah.. like you said.. they must do it legally or risk those major fines )
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Old 05-17-2004, 09:15 PM   #12
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Good show.
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Old 05-18-2004, 11:33 AM   #13
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thanx Bonnie Canuck.. quick question for you though.. since I use a compressor when I try to vacuum the air out of the system ( it gets stored in its own tank than bled into a propane tank ). I only use it for 10+ minutes, but heard you're suppose to have it going for 30-45min But the compressor they use are kinda like the air compressor you buy for your car.. it'* slow but draws out more near the end.. but if I rigged up my tire compressor to do that.. I'm worried that it will collapse the tubing on the A/C rad from creating too much vacuum. Any suggestion as to how much should be drawn out? Also think I will change the evaporator core as I heard that theres where most of the moisture would be gathered in the system.
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Old 05-18-2004, 06:59 PM   #14
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Can you meter the pressure while putting a vacuum on it?
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Old 05-18-2004, 11:48 PM   #15
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Quote:
Originally Posted by fuddyduddy121
Can you meter the pressure while putting a vacuum on it?
errr.. don't think so.. but maybe will look into jerry riggin it up that it might.. wat am I lookin for if I could meter it?
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Old 05-19-2004, 12:52 AM   #16
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You need a gauge that measures vacuum... A/C gauges should do that.
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Old 05-19-2004, 01:35 PM   #17
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okay.. so I will have to rig it up later to read vacuum.. what should it read?
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Old 05-20-2004, 12:42 AM   #18
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Quote:
Originally Posted by fuddyduddy121
You have to pull quite a bit of vacuum. 28-29 inches, or 711-737 mm.
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Old 05-20-2004, 10:57 AM   #19
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Quote:
Originally Posted by Drifter420
no worries.. I have it dumped into another tank ( which holds the contaminated freon with air ) and when it gets full I take it into the shop for them to recycle it..
Let me get this straight: You have a '97 model that uses R12 , not R134a?
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Old 05-20-2004, 11:29 AM   #20
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Quote:
Originally Posted by acg_ssei
Quote:
Originally Posted by Drifter420
no worries.. I have it dumped into another tank ( which holds the contaminated freon with air ) and when it gets full I take it into the shop for them to recycle it..
Let me get this straight: You have a '97 model that uses R12 , not R134a?
Don't have R12.. it'* 134.. it'* just so hard to find this stuff here to buy.. and most shop won't sell it to you Crappy tire don't carry it.

I'm sorry.. it'* illegal to buy R12.. but not R134.. just its virtually impossible to find it.
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