Question Regarding Tranny Cooler And Radiator/line Fittings With O-rings

mlb585

New Member
May 22, 2010
23
1
1
Hi everyone. I'm adding a tranny cooler to my '04 GT and I have the necessary fittings for both the transmission line and radiator to make an easy install. However, the fittings also came with an o-ring...are these fittings supposed to have a o-ring installed in the female end to prevent leaking? Are you suppose to use teflon tape/thread sealer just to be safe to avoid leaks? Any help on this would be greatly appreciated.
 
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