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Does anyone know the correct o ring size for the ac condenser lower line?

T

tom5170

New member
I put in a new condenser and tightened the fittings down tight. I replaced the o rings with ones from auto zone in a pack.

The new o rings appear to be thinner by a mm or 2. Today I was recharging and the lower line blew refrigerant all over after it reached a certain pressure.

I also had a hard time getting that line to line up properly with the condenser because the condenser was a bit different so I bent the condenser line a bit to make it line up to the line.
 


Generally in my everyday job as a tech, if the oring goes on the line, replace with same size. I dont trust the oring packs with parts unless I match them up. NAPA has a great visual book that allows you to lay old orings on it and match them up. Larger oring assortments sometimes have enough of proper size. A GM dealer may be able to sell you the appropriate oring by position.
 
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