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  1. #1
    DaveC's Avatar
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    Oil filter cap, do they not fit flush ?

    just done a oil change, noticed when I put the oil filter cap back on that it has a small gap, it does not go all the way down as I was thinking it would. I did not notice this when I removed the old filter. I also tried the cap without O rings and without the filter in place, cap went to same position.

    Is this correct or am I overlooking something ?


  2. #2
    captain obvious Lurker's Avatar
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    nope you are correct, there is a very small gap. Like the size of the blade of a flat blade screw driver.

  3. #3
    DaveC's Avatar
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    That is the way it looks to me. Any idea on what purpose the top O ring serves, it appears that it would not make contact with the housing.

  4. #4
    captain obvious Lurker's Avatar
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    It slides in there just enough to be covered. It basically acts as a backup to the first O-ring.

    If you pry the top off (with a screw driver) you run the risk of damaging that second o-ring because it sits so close to the top.

  5. #5
    DaveC's Avatar
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    OK thanks

  6. #6
    somewhere here is a post on homemade tools to remove lid/cap. this is what I use:
    take a bolt/screw/shouldered bolt, long tex screw that has washer built in, pretty much anything like this that will just fit thru the hole in the top of the cap when you remove the retaining bolt.
    grab the threaded part of screw/bolt/tex screw with vice grips, you`ll need the bolt to be around 2 inches or so. Ok, now insert the head of the bolt/screw/tex into the hole so you can grab the underside of the hole itself in cap with the bolt head and pull up gently using steady force and cap will pop right off!...PR...

  7. #7
    DaveC's Avatar
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    Thanks PR, it came off easy enough it just did not look right when I put it back together.

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