air not working - AC Auto Repair Help Forum


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Auto Repair Home>> Automotive Repair>> AC Auto Repair Help Forum

amoscradersr
New User

Jun 23, 2013, 2:25 PM

Post #1 of 6 (1921 views)

air not working

i have an 07 international truck. i have changed the compressor, dryer and the expansion valve, before i changed it the compressor came on but didnt cool. after i changed everything i drew a vacuum ,went to put the freon and it wonted go in. i jumped the compressor it took one and a half can.the gauge showed to be the right amount but not cooling at all, the compressor will not run on its own

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 23, 2013, 2:30 PM

Post #2 of 6 (1907 views)

Re: air not working

Quote

.the gauge showed to be the right amount but not cooling at all,

The pressures cannot tell you how much refrigerant you have in the system. The only way you can know is by completely evacuating the system and recharging with the exact weight required. Everybody thinks AC is simple to diagnose and it couldn't be further from the truth.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jun 24, 2013, 5:10 AM

Post #3 of 6 (1858 views)

Re: air not working

If you put a vacuum on the system, and you couldn't get refrigerant to go into the system, either you didn't pull a vacuum on the system or you have faulty equipment. If you didn't pull vacuum, you have air and refrigerant mixed in the system now. I suggest you take it to a shop that has the proper equipment to charge it up for you. As HT stated AC systems are charged by refrigerant weight and not pressures.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jun 26, 2013, 4:51 AM

Post #4 of 6 (1809 views)

Re: air not working

amoscradersr : You mentioned "cans" so that and calling it "freon" means you shouldn't be touching this without some help and you are here so that's what I suggest - get help,

T

amoscradersr
New User

Jun 26, 2013, 5:37 PM

Post #5 of 6 (1794 views)

Re: air not working

this goes to all .just wonted everyone to know air is working. the expansion valve was no good

Double J
Veteran / Moderator
Double J profile image

Jun 27, 2013, 1:35 AM

Post #6 of 6 (1778 views)

Re: air not working

Thanks for the follow up, glad you got it fixed.
Closing this now to prevent spammers.

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