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Oil Filter Cover Bolt

Discussion in 'XJ Technical Chat' started by NxlKing2304, Apr 7, 2021.

  1. NxlKing2304

    NxlKing2304 New Member

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    What is the spring and ball bearing inside the oil filter bolt for? Has anybody messed with this by removing entirely or adding washers?
     
  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    it is the relief valve it bypasses the filter when the filter is clogged.
    clean the bolt when changing oil with spray cleaner
    do not modify
     
  3. NxlKing2304

    NxlKing2304 New Member

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    Thank you sir!
     

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