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AC O ring replacement

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AC O ring replacement
Old June 22nd, 2016, 02:59 PM   #1
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AC O ring replacement

Ok what O rings normally fail on the AC system's of the 2nd gen GTS vipers?

Going to replace them this weekend, but I dont have a manual. Anyone have ideas on which ones typically fail, or can scan the pages from the manual for this?

I assume I can prob take off the front tire and access the compressor and the seals there. But its just a guess without pulling it off and seeing for myself.

BTW I am nearly positive its metric size O rings; can anyone confirm?
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Old June 22nd, 2016, 03:23 PM   #2
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Based on reading similar threads such as this, if it's the O-ring I'm thinking of, several members have claimed to remove the front bumper to replace it.
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Old June 22nd, 2016, 03:47 PM   #3
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eh. well ive never done that on our cars, so perfect!! seems like a pain in the rear..
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Old June 22nd, 2016, 04:08 PM   #4
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Actually, I think the O-rings most likely to fail are the two that are on the compressor. The compressor gets hot when running and also its location is near the headers (below and in front). The compressor O-rings are reasonably easy to get to. They are on the lines going into and out of the compressor. On my 2000, you can remove the two lines without removing anything else. Just remember, even though you think you have no refrigerant, there is still probably a bunch under pressure, which will rapidly be expelled when you take the lines off the compressor. Ask me how I know.

I bought a big box of the green AC type O-rings at Harbor Freight for $8.99. Just match up the size to the one you remove.
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Old June 23rd, 2016, 08:59 AM   #5
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roger that, ill check those first. I hope I can reach the place without removing anything. Ill give it a try, just really dont wanna remove the bumper haha
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Old June 23rd, 2016, 09:06 AM   #6
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There are 2 O-rings on the compressor (inlet and outlet). IIRC, they are different sizes so you'll probably just want to remove them and find replacement sizes. I bought an O-ring assortment kit from an auto-parts store...specifically for A/C systems.

There are also 2 O-rings at the condenser inlet and outlet, which is indeed behind the front bumper cover. It's not really that bad of a task to remove...and once you're behind there, it's a good time to do some spring cleaning! Definitely replace the condenser O-rings, because they are prone to leaks.

There are probably 2 more at the evaporator in the airbox, but I didn't even bother with those and my system has held Freon for over 4 years and has been working fine. My issue now though is I'm getting a small leak on the compressor discharge line where the rubber crimps to the hard line. Ordered one from JonB.
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Old June 23rd, 2016, 10:11 AM   #7
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well I need to ask and sorry for sounding like a pest, but does anyone have the procedure for removing the bumper?
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Old June 23rd, 2016, 10:12 AM   #8
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also if the compressor doesnt kick on, is that cause its dead or no coolant? I assume it could be either but I never hear it engage
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Old June 23rd, 2016, 10:16 AM   #9
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well I need to ask and sorry for sounding like a pest, but does anyone have the procedure for removing the bumper?
Courtesy of LiG: Front Fascia Removal - GEN II
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Old June 23rd, 2016, 10:23 AM   #10
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Thank you sir!
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Old June 23rd, 2016, 10:47 AM   #11
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looks pretty easy, just remove the bolts in the wheel well, and start unbolting on top and bottom then pull the plugs haha... just mind the shims so it goes back on correctly.

check!
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Old June 23rd, 2016, 02:32 PM   #12
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looks pretty easy, just remove the bolts in the wheel well, and start unbolting on top and bottom then pull the plugs haha... just mind the shims so it goes back on correctly.

check!
If you remove it, check the bottom of the overflow bottle for signs of damage from the pointy fascia screw that is just underneath it. I ground off the pointy tip on that screw. The fascia is flexible enough that a bump from below can push that screw into the overflow bottle but not damage the fascia. (other than typical scrape marks.)
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Old June 24th, 2016, 09:29 AM   #13
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Took the bumper off last night and changed the O rings. It was actually much easier than I thought it would be. But I replaced the O rings on the condenser, and inline before the dryer. Then I recharged the system and it blows cold now. :/ Now I will just watch it to see if It dies soon if so I know I have another issue. But last night it was working good. Just messing with this P0601 code now hoping it doesn't come back.
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