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07-21-2024, 08:01 PM | #1 |
Registered User
Join Date: Jul 2018
Location: Catskill Mountains,NY
Posts: 8,478
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Re: can not locate ac freon leak.
Have you added dye to it . I had a similar issue with my 85 it ended up being the compressor seal
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Mark 72 c20 custom camper Husky edition, 66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark 1969 AMX , 1968 c20 stepside ,85 K20 1977 Suburban sold 68 anniversary. |
07-21-2024, 09:25 PM | #2 |
Born Psycho
Join Date: Feb 2001
Location: brentwood,cal,usa
Posts: 4,881
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Re: can not locate ac freon leak.
at work we always add dye to the system and go over everything we can see with a black light before we release the vehicle back to the customer then we have them come back in a few days and check it again.
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jerry moss 72 cheyenne super K20- tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,tow hooks,bumper guards,toolbox,aux. fuel tank,posi front and rear,plus other goodies!!! SOLD 69 suburban K20-tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,4 inch all spring lift,4 speed, 14 bolt full floater, dana 44 HD,warn winch,posi front and rear,tow hooks,plus other goodies. 73/80 chevy/gmc K20 SB400,turbo 400,205,tilt,a-c,gas hog. 77 K/5 cheyenne blazer-daily driver/beater. SON HAS IT NOW BRENTWOOD,CALIFORNIA |
07-21-2024, 09:33 PM | #3 |
Registered User
Join Date: Dec 2011
Location: Boise, Idaho
Posts: 572
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Re: can not locate ac freon leak.
It has dye and i can not see any traces, The compressor is a new real sanden 4711 sd7
my gauges are Yellow jacket analog, I have had a charge of 100 psi for 4 hours now and still dead on 100, shop has AC and temperature is a steady 72. I ordered a new condenser and evap core but hate to go through the work to not have it solve the problem.. it has all new Galaxy hose (usa) and fittings, My gauge is hooked to the filter.dryer,,, I can only think that when i remove it the schrader valve is leaking and with the gauge it is captured,,, I have soaped it with no bubbles.. I might hook a hose to the shrader and put the other end in a cup of soapy water?? |
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