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#1 |
Registered User
Join Date: Feb 2006
Location: nashville
Posts: 217
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Lookin for gauge that works with vaccum pump
bought a vaccum pump to suck my ac, so that I could check for leaks, but no one has r134 line with gauage that will screw onto the end of it, any one know where i can get one. Any help would be great
Paaw
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1997 pontiac grand prix gt (daily driver) for now; 2004 dodge ram quad cab (wife's truck) 4.7; 2000 pontiac booneville (wife daily driver) 1972 chevy cheyenne 350 bored 40 over 700r trans 373 gears ( posi) soon to be daily driver; 2002 gsxr750 sold ![]() |
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#2 |
Registered User
Join Date: May 2006
Location: at work
Posts: 2,552
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Re: Lookin for gauge that works with vaccum pump
confused...are you running 134 now or r12?
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R.I.P. Killer 71 10/26/07 |
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#3 |
Registered User
Join Date: Feb 2006
Location: nashville
Posts: 217
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Re: Lookin for gauge that works with vaccum pump
tryin to run 134, but the system has to be vaccumed pumped first
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1997 pontiac grand prix gt (daily driver) for now; 2004 dodge ram quad cab (wife's truck) 4.7; 2000 pontiac booneville (wife daily driver) 1972 chevy cheyenne 350 bored 40 over 700r trans 373 gears ( posi) soon to be daily driver; 2002 gsxr750 sold ![]() |
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#4 | |
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Join Date: Feb 2007
Location: chandler
Posts: 331
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Re: Lookin for gauge that works with vaccum pump
well you're supposed hook up the vac pump to the ac service gauges. you don't hook it up directly. i may be misunderstanding your question tho. can you more specific? you check leaks with dye and once you have charged it with refrigerant
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#5 |
Registered User
Join Date: May 2006
Location: at work
Posts: 2,552
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Re: Lookin for gauge that works with vaccum pump
don't mean to sound like a smart a$$ but you evacuate the system before you put the vaccum pump on it and I agree with combustion on how to hook it up! Are we misunderstanding you?
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R.I.P. Killer 71 10/26/07 |
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#6 |
Registered User
Join Date: Feb 2006
Location: nashville
Posts: 217
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Re: Lookin for gauge that works with vaccum pump
OK this is what i have a vaccum pump and this hose you have to pump it down for 20 minutes and make sure the gauage does not go back towards zero if it does you have a leak, but my hose does not have a gauge on it that is what i need
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1997 pontiac grand prix gt (daily driver) for now; 2004 dodge ram quad cab (wife's truck) 4.7; 2000 pontiac booneville (wife daily driver) 1972 chevy cheyenne 350 bored 40 over 700r trans 373 gears ( posi) soon to be daily driver; 2002 gsxr750 sold ![]() |
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#7 |
Registered User
Join Date: Feb 2006
Location: nashville
Posts: 217
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Re: Lookin for gauge that works with vaccum pump
autozone used to sell the lines with the gauge in it that would screw on to this, but the have went to the plastic one piece type, so hac advance, and orelly
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1997 pontiac grand prix gt (daily driver) for now; 2004 dodge ram quad cab (wife's truck) 4.7; 2000 pontiac booneville (wife daily driver) 1972 chevy cheyenne 350 bored 40 over 700r trans 373 gears ( posi) soon to be daily driver; 2002 gsxr750 sold ![]() |
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#8 |
Registered User
Join Date: Sep 2005
Location: Smith Mountain Lake Virginia
Posts: 1,537
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Re: Lookin for gauge that works with vaccum pump
I think the vacuum pump is WAY better for discovering if you HAVE leaks (no lost gas, just using mother nature), especially if you have more than one. It'll lose vacuum alot faster than it'll blow out the gas. FINDING the leak is a different matter though...
Do you have a Granger near you? I seem to remember getting ac stuff there.... suffering from crs again....
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"A cat will almost always blink when hit between the eyes with a ball peen hammer" (you don't always have to state the obvious) Wear your PPE! You can eat with false teeth but you can't see with a false eye. 1959 Studebaker Silverhawk 350/400 1972 C10 L6 3OTT 2005 F350 - Built - whew! Last edited by Luvlegs; 08-07-2007 at 08:38 AM. |
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#9 |
Registered User
Join Date: Mar 2006
Location: Hermitage, TN
Posts: 9
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Re: Lookin for gauge that works with vaccum pump
Get a set of AC gauges, as suggested above. AZ, Advance, HF, etc. have them. One line from the gauges will go to the compressor discharge (High) side and one to the compressor suction (Low) side. The center port on the gauge manifold can then be connected to the vacuum pump. Pull the system down as low as you can with the vacuum pump, then close the valves and watch the pressure for at least 30 minutes. If it will hold vacuum for at least that length of time, you shouldn't have any leaks anywhere. If any solvents were used to clean the system, I like to go through this several times to get the solvents to completely flash off so there is no residue in the system. After that, you can add oil if necessary (such as completely flushing the system and replacing the receiver) and charge the system.
engineerdad |
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#10 |
Registered User
Join Date: Feb 2006
Location: nashville
Posts: 217
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Re: Lookin for gauge that works with vaccum pump
Found what I needed, went by a buddy house and he had one. If any body knows who still sell these kind plese let me know, casue autozone, etc has the kind with plastic pieces on both ends. Now i can see if I have a leak, cause it is hot here.
chico
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1997 pontiac grand prix gt (daily driver) for now; 2004 dodge ram quad cab (wife's truck) 4.7; 2000 pontiac booneville (wife daily driver) 1972 chevy cheyenne 350 bored 40 over 700r trans 373 gears ( posi) soon to be daily driver; 2002 gsxr750 sold ![]() |
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