Replacing A/C o rings
Thread Starter
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Mountain Pass
Joined: Jan 2005
Posts: 222
Likes: 4
From: Richmond, Va
Replacing A/C o rings
My camper's A/C (87 E350) is leaking, and I assume it is due to bad o rings in the plumbing. One of my winter projects is to replace the o rings, but I honestly don't know how. I've searched for a step by step, but can't find one. Can anyone give me a quick down and dirty ?
Forgot to mention, it was converted to 134a several years ago, but apparently they didn't change the o rings.
Forgot to mention, it was converted to 134a several years ago, but apparently they didn't change the o rings.
Senior User
Joined: Sep 2003
Posts: 394
Likes: 0
You need these
The spring lock fitting tools They disconnect the snap together fittings.
Your local autoparts store sell them.
Fitting with Regular Hex nut fittings, use wrenches....
You'll see the orings, remove and replace. Lubricate them before reassembly.
evac and charge to 80% of the R12 charge weight.
The spring lock fitting tools They disconnect the snap together fittings.
Your local autoparts store sell them.
Fitting with Regular Hex nut fittings, use wrenches....
You'll see the orings, remove and replace. Lubricate them before reassembly.
evac and charge to 80% of the R12 charge weight.
Freshman User
Joined: Oct 2011
Posts: 48
Likes: 0
I'd recommend that you get the springlock coupling disconnect tools from Harbor Freight..... I think I paid about six dollars for mine, and they work for disconnecting the spring lock couplings on fuel lines as well.....
Also, does anyone have the spec on how much r12 is supposed to be charged into the system by weight??
Also, does anyone have the spec on how much r12 is supposed to be charged into the system by weight??
Thread Starter
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Mountain Pass
Joined: Jan 2005
Posts: 222
Likes: 4
From: Richmond, Va
Thanks guys !!!!
I want to fix this in the spring. I think there are only 2 of those spring lock connections (that's all I can see). The biggest problem I got is being able to vacuum out the system before recharging it. I might buy one of those cheap systems to do it, if I can't find somebody that already has one. The cheapest price I got for a shop to fix it is $500.
I want to fix this in the spring. I think there are only 2 of those spring lock connections (that's all I can see). The biggest problem I got is being able to vacuum out the system before recharging it. I might buy one of those cheap systems to do it, if I can't find somebody that already has one. The cheapest price I got for a shop to fix it is $500.
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