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Old 09-03-2012, 12:39 PM   #1
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ac help

2001 bulitt.
yesterday ac was fine this morning warm air checked fuses both fine.
when i turn it to ac the rpms drop like normal. help please? i dnt know anything about ac!
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Old 09-03-2012, 03:42 PM   #2
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i need help!
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Old 09-03-2012, 04:12 PM   #3
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Quote:
Originally Posted by 01bullitt
i need help!
Have you hooked any pressure gauges to it to check the pressures
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Old 09-03-2012, 04:26 PM   #4
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no i havnt taking it to shop yet
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Old 09-03-2012, 04:32 PM   #5
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Another thing to look at is the wiring to your ac compressor clutch is anything wrong with it unplugged, or broken wire

---------- Post added at 09:32 PM ---------- Previous post was at 09:30 PM ----------

Also does the clutch engage
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Old 09-03-2012, 06:51 PM   #6
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how do i check or see if clutch engages
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Old 09-03-2012, 07:10 PM   #7
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Start your car and let it idle. Look at the compressor and in the center of the pulley there should be a part that isnt spinning. Turn on the A/C and it should start spinning.
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Old 09-03-2012, 08:17 PM   #8
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thank you for info
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Old 09-03-2012, 08:34 PM   #9
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thank you for info
Let us no what's up
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Old 09-03-2012, 09:01 PM   #10
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If you plan on picking up or borrowing some gauges, don't connect them while the AC is running. Trying to connect to your suction line while it's running might let air in the system. Also, use a dual gauge setup (liquid and suction line connection) as this will allow you to truly see what's going on.
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Old 09-03-2012, 09:12 PM   #11
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Quote:
Originally Posted by Azure
If you plan on picking up or borrowing some gauges, don't connect them while the AC is running. Trying to connect to your suction line while it's running might let air in the system. Also, use a dual gauge setup (liquid and suction line connection) as this will allow you to truly see what's going on.
Yes dual gauge setup does give out the best readings. If the clutch does engage maybe one of your Ac switches went out. One thing is don't add R134a until u know Wats going on. I see this too often where ppl over pressurized their Ac system and end up messing the whole system up.
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Old 09-04-2012, 09:27 AM   #12
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clutch dose not engage
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Old 09-04-2012, 10:16 AM   #13
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If the pressure is to low and the r134a is too low the clutch won't engage. You might to fill it up some. I had the same problem
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Old 09-04-2012, 10:50 AM   #14
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If the pressure is to low and the r134a is too low the clutch won't engage. You might to fill it up some. I had the same problem
+1 Fill it slowly and stop when the compressor engages. Then you can read the pressures and add slowly, allowing the system pressures to steady. That will help keep you from overfilling the system. If you have a chiltons or Haynes, it will tell you what the proper pressures should be. After, you will need to hunt down your leak.
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Old 09-04-2012, 12:57 PM   #15
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should i go to shop have them do the leak presure test they do
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Old 09-04-2012, 01:31 PM   #16
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should i go to shop have them do the leak presure test they do
If you don't have a set of gauges and feel uncomfortable with tinkering with the AC system, you might consider it. You could ask them to just determine if it's a leak or a dead compressor, and nothing else. Maybe that would allow you to gather some funds to finish the job at a later time.
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