Robert92867 Posted December 9, 2022 Share Posted December 9, 2022 Due to leaking original Tee fittings (I think they are Parker) I decided to cut in new Utah Pneumatic 1/4" Push to connect DOT fittings. The old tubing (1/4" Parker PTF nylon) was distended so I cut back 5" from both sides of the Tee and tried to couple new Utah Pneumatic 1/4" Dot air fitting nylon saeJ844 tubing. I don't know what the "dot saej844" spec is about, but all the fittings were compliant with it. After 3 days, I give up. All the fitting leak badly, so badly I cannot air up my air springs, hence I can not even move my coach. The air springs are all new, so no leaks there. The original Parker brass push to connect 1/4" fittings are different from the Utah Pneumatic fittings. the ferrule sits deeper and the tube slips in more easily. And they don't leak, even with the new tubing. I wonder if I should be buying a different fitting? If so what? Amazon seems to be flooded with Utah Pneumatic fittings and I am leery of the chinese brands, and know nothing about the plastic composite push to connect fittings. Are there any 1/4" air suspension fitting experts out there who can help me out of my dilemma? Link to comment Share on other sites More sharing options...
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