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Old 07-22-2018, 01:47 PM   #1
Packard
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Default Leaky a/c low side valve core Need to know where ?

I need my valve core replaced . Does anyone have or know any at autozone that work on a 1995 sl1 sohc. I need to know if there are any at autozone
advance auto or napa that I could use to fix mine.

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Old 07-22-2018, 01:59 PM   #2
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Default Re: Leaky a/c low side valve core Need to know where ?

Yes. Saw online AAP today.

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Old 07-22-2018, 04:57 PM   #3
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Default Re: Leaky a/c low side valve core Need to know where ?

You can pay for this service or if you can borrow the tool from Autozone (if they have it), diy with instructions or google for procedures from youtube.
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File Type: jpg ac valve core tool.jpg (25.7 KB, 10 views)

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Old 07-22-2018, 09:19 PM   #4
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Default Re: Leaky a/c low side valve core Need to know where ?

You're looking for the value stems? I bought a kit like this years ago. It's a lifetime supply if you don't work on cars that often.

https://www.amazon.com/39PCS-Conditi...dp/B01LCJ2QQS/

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Old 07-22-2018, 10:30 PM   #5
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Default Re: Leaky a/c low side valve core Need to know where ?

Question I have are the ones used are they big bore gm type or are they the standard r134a like in picture?
Has anyone taken them out to see if they look skinny or large bore like in picture.

i have a alldatadiy but it dont list any part number so i can crossference it. So im guess they change dependent on the hose manufacturer . So im unsure the size of the core. If if its ac delco which is mostly what I try to use for my replacement parts .

question
is big bore like a high side only port and low side both different core valves . I was wondering if the low is a skinny regular r134a .
These forums have been super great . I love the response and help i get .
So if anyone has done any core replacement on these Id like to know if im dealing with gm big bores on both or regular 134a valve core size . If u look closey there is a large difference.

Last edited by Packard; 07-22-2018 at 10:41 PM..

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Old 07-22-2018, 11:00 PM   #6
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Default Re: Leaky a/c low side valve core Need to know where ?

There's a big hint if you compare your valve cores with the ones in those pictures. All but the standard shiny chrome one (left side) has a spring just below the tip that's seen when looking down service valves. Look at yours. If it doesn't have a spring just below the tip then its most likely the smallest one that's chrome plated. That's similar to tire valves but with a different seal (looks translucent). S-series cars use what may be considered a small ac system using standard valve cores. The others are for large ac systems taking a few pounds of refrigerant where more flow is needed when moving refrigerant from 30 lb canisters into a system. Small valves won't allow fast fluid flow. For cars, the standard valve core is almost universal for many cars, trucks and suvs.

Be aware - the valve core tool in the box of valves is for removing/replacing valve cores on an empty system. If your system has refrigerant in it, it's not the correct tool. If you remove any valve core, you risk an immediate release of refrigerant, oil and dye at whatever pressure the system has relative to ambient temperatures. If its 75F, pressures will be around 75 psi. 95F, 95 psi. The tool that allows removal and replacement without spewing out refrigerant at high pressure works with refrigerant in the system.

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Old 07-24-2018, 01:55 AM   #7
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Default Re: Leaky a/c low side valve core Need to know where ?

I got mine at napa for my 96

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Old 07-26-2018, 08:47 AM   #8
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Default Re: Leaky a/c low side valve core Need to know where ?

Bought mine at Autozone a month or two ago. There was only one option on the shelf, was a pack of 2 valve cores in blister pack, along two black, plastic caps. Was $3.99 on the rack with all the cans of R134a

I'll try to see if I still have the package and remember to post the part number tonight

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Old 07-26-2018, 09:40 PM   #9
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Default Re: Leaky a/c low side valve core Need to know where ?

The brand is "Sure-Bilt", part number LX-14.
Clear plastic blister pack with white cardboard backer.

Labelled, "R-134a high and low side service port repair kit"

UPC code shows 52948-81599

High and low side valve cores are the same size.

Looks very similar to this one at Advance Auto
https://shop.advanceautoparts.com/p/...r-14/9220019-P

This looks to be a similar kit
https://www.amazon.com/Interdynamics.../dp/B002G1PBW8

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Last edited by alordofchaos; 07-26-2018 at 09:48 PM..

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Old 07-26-2018, 09:56 PM   #10
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Default Re: Leaky a/c low side valve core Need to know where ?

Missed the edit window

The tool that fdryer posted a pic of in post 3 is Mastercool 81490, in case your store does not have one in its loaner tool program. Got mine off ebay for $35 shipped, very handy.

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