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A/C leak repair tools/supplies list #4686092
03/06/18 11:10 AM
03/06/18 11:10 AM
Joined: Apr 2013
Posts: 19
Georgia !
topsy Offline OP
topsy  Offline OP
Joined: Apr 2013
Posts: 19
Georgia !
Working on a 2005 F-150, 50,000 miles, it has a slow A/C leak. Putting together a list of tools and supplies to do the job.

Manifold gauge set
Vacuum pump
dye
planning to add about an ounce of oil, PAG 46
Can or 2 of R134a

Does this look complete?

Re: A/C leak repair tools/supplies list [Re: topsy] #4686093
03/06/18 11:13 AM
03/06/18 11:13 AM
Joined: Dec 2005
Posts: 9,891
Upper Midwest
kschachn Online content
kschachn  Online Content
Joined: Dec 2005
Posts: 9,891
Upper Midwest
Do you know what's leaking?


1994 BMW 530i, 228K
1996 Honda Accord, 263K
1999 Toyota Sienna, 400K
2000 Toyota ECHO, 271K
Re: A/C leak repair tools/supplies list [Re: topsy] #4686094
03/06/18 11:17 AM
03/06/18 11:17 AM
Joined: Aug 2017
Posts: 558
MN
14Accent Offline
14Accent  Offline
Joined: Aug 2017
Posts: 558
MN
Is the system empty? How do you plan on recovering it? If you know it's empty, just replace the part that's leaking and take it to a pro to have them evac and recharge it. It's like $120 at most places, sometimes $99. You'll spend more than that in tools just to do the job at home.


2013 Chevrolet Volt - Saves enough in fuel to pay for itself!

2003 Cadillac Seville STS - The winter "beater", it uses the Volt's fuel
Re: A/C leak repair tools/supplies list [Re: topsy] #4686118
03/06/18 11:45 AM
03/06/18 11:45 AM
Joined: Apr 2013
Posts: 19
Georgia !
topsy Offline OP
topsy  Offline OP
Joined: Apr 2013
Posts: 19
Georgia !
No, I don't know what's leaking, that's the purpose of the dye.

I don't know if it's empty or not, will find out when I get the gauges.

Last edited by topsy; 03/06/18 11:45 AM.
Re: A/C leak repair tools/supplies list [Re: topsy] #4686121
03/06/18 11:46 AM
03/06/18 11:46 AM
Joined: Sep 2007
Posts: 968
TX, USA
JMJNet Offline
JMJNet  Offline
Joined: Sep 2007
Posts: 968
TX, USA
It is probably cheaper to get a leak checker? Check all the joint and also the valve?


  • 2017 Toyota Sienna
  • 1995 GMC Suburban 6.5L Turbo Diesel


Re: A/C leak repair tools/supplies list [Re: JMJNet] #4686130
03/06/18 11:51 AM
03/06/18 11:51 AM
Joined: Apr 2013
Posts: 19
Georgia !
topsy Offline OP
topsy  Offline OP
Joined: Apr 2013
Posts: 19
Georgia !
From investigating dye vs detector, the cheap detecters are hit/miss, hate to rely on cheap tools. The dye isn't very expensive, I decided to go that route.

Re: A/C leak repair tools/supplies list [Re: topsy] #4686141
03/06/18 12:00 PM
03/06/18 12:00 PM
Joined: Dec 2005
Posts: 9,891
Upper Midwest
kschachn Online content
kschachn  Online Content
Joined: Dec 2005
Posts: 9,891
Upper Midwest
Originally Posted By: topsy
From investigating dye vs detector, the cheap detectors are hit/miss, hate to rely on cheap tools. The dye isn't very expensive, I decided to go that route.

I have a detector (two of them actually) and yes they are not as easy to use as it seems. Generally for leaks I just look for an oil stain on some part, if it is the condenser then dirt will stick to the area that is leaking. On hoses it is usually at the crimped connection and you can see it there, same for the compressor (look around the shaft seal).

If it is the evaporator that is one place that a detector can come in handy, you check near the condensate drain outlet. But typically if you don't see any obvious leaks anywhere visible then the most likely suspect is the evaporator. Those sometimes get clogged with leaves and dirt which when mixed with the condensate it can corrode the aluminum pretty bad.


1994 BMW 530i, 228K
1996 Honda Accord, 263K
1999 Toyota Sienna, 400K
2000 Toyota ECHO, 271K
Re: A/C leak repair tools/supplies list [Re: topsy] #4686156
03/06/18 12:09 PM
03/06/18 12:09 PM
Joined: Sep 2015
Posts: 1,524
USA
mk378 Online content
mk378  Online Content
Joined: Sep 2015
Posts: 1,524
USA
Many cars are charged with dye at the factory. Take one of the service caps off and see if there is dye. A "blacklight" CFL bulb can be used to make dye leaks easier to find.

Re: A/C leak repair tools/supplies list [Re: mk378] #4686180
03/06/18 12:25 PM
03/06/18 12:25 PM
Joined: Apr 2013
Posts: 19
Georgia !
topsy Offline OP
topsy  Offline OP
Joined: Apr 2013
Posts: 19
Georgia !
In
Originally Posted By: mk378
Many cars are charged with dye at the factory. Take one of the service caps off and see if there is dye. A "blacklight" CFL bulb can be used to make dye leaks easier to find.


Interesting, I'm going to investigate this

Re: A/C leak repair tools/supplies list [Re: topsy] #4686196
03/06/18 12:44 PM
03/06/18 12:44 PM
Joined: May 2012
Posts: 4,454
Baltimore, Maryland, USA
zzyzzx Offline
zzyzzx  Offline
Joined: May 2012
Posts: 4,454
Baltimore, Maryland, USA
Get a good blacklight. Most cars I have seen do come with dye from the factory.

Good luck finding the leak! I've always found it to be extremely difficult to find any A/C leaks. No oil, no dye, noting on the detector!

Re: A/C leak repair tools/supplies list [Re: zzyzzx] #4686250
03/06/18 01:32 PM
03/06/18 01:32 PM
Joined: Mar 2014
Posts: 3,255
NJ
Leo99 Offline
Leo99  Offline
Joined: Mar 2014
Posts: 3,255
NJ
Originally Posted By: zzyzzx
Get a good blacklight. Most cars I have seen do come with dye from the factory.

Good luck finding the leak! I've always found it to be extremely difficult to find any A/C leaks. No oil, no dye, noting on the detector!


My Rav4 has an A/C leak. I've used dye, special flash light, yellow glasses and can't find it. Maybe the OP will get lucky but I've had no luck with it.


Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 359,000 miles
2015 Camry 59,000 miles
Re: A/C leak repair tools/supplies list [Re: topsy] #4686315
03/06/18 02:38 PM
03/06/18 02:38 PM
Joined: Jun 2003
Posts: 17,348
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline
Joined: Jun 2003
Posts: 17,348
Deplorable in apple valley, ca
That truck has dye from the factory. Remove the 8mm bolt that holds the front hub on and look there for dye. Also the high pressure hose for wetness.


02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: A/C leak repair tools/supplies list [Re: topsy] #4686546
03/06/18 06:24 PM
03/06/18 06:24 PM
Joined: Dec 2006
Posts: 911
midwest
JamesBond Offline
JamesBond  Offline
Joined: Dec 2006
Posts: 911
midwest
I replaced the schreader valves and the fill caps, when I did mine. I used the Slime brand tool to remove them. You will also need vacuum pump oil. I got a loaner vacuum pump from autozone that was brand new. You will also need a can tap and a digital kitchen scale to weigh your refrigerant cans.


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