Quote:
Originally Posted by Diesel911
When I got Air in mine it was that the Fuel Inlet Hoses that attached to the Plastic Filter were so hard and inelastic that they were not sealing and allowing are to pass but in my case only when under the hood temp was hot.
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Yes, old, dry, hard rubber will not seal well against the smooth barb-less plastic prefilter, especially the ones without a brass insert/ support in the barbs. I have seen prefilters made by welding 2 halves together resulting in rough seams on the barbs. Plain garbage! I had to scrape the seams smooth to stop the air leak. Once I bought proper pre-filters with brass insert supports, threw the garbage out.