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Thread: Oil pressure switch leaking on ford focus.

  1. #1
    Member PolishBiker's Avatar
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    Oil pressure switch leaking on ford focus.

    Hi there : )

    Short story, got home today and saw a small paddle of oil under my car (2003 ford focus hatchback), after taking some parts off i see the oil is coming out of the oil pressure switch that i replaced once already, about 3 years ago.
    I also changed oil a few days ago which seems to be a bit of a weird coincidence.
    Could new oil somehow 'damage' oil pressure switch so it starts leaking or somehow its just a huge coincidence that it started leaking after i change oil and filter?

    Any ideas?

    Thank you/
    Turn off the tap when you brush your teeth!!
    Turning the taps off when you brush your teeth, can save up to 5 liters a minute!

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    Member agrid's Avatar
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    No. Its common, just stick a new switch in.
    -

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    Member Mattis's Avatar
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    Quick google turned up this thread with similar probs: https://www.focusfanatics.com/forum/...aking-oil.html

    Suggestion there is to use some threadlock sealant.

    "At the start of the season, you canít win the championship in the first round, but you can lose it.Ē - Travis Pastrana

    "If your mind can conceive it then
    your hands can achieve it"- Nigel Petrie (Engineeredtoslide.com)

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    Member Stu's Avatar
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    I thin smear of blue Hylomar on the thread (only) of the switch would help seal it as well.
    Spiral out, keep going...


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    Member GsxInShed's Avatar
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    Locktite.

    Carry a spare in the glove box.. change every oil change..along with the headlight bulbs.
    " Imagination is the seed of life..."

  6. #6
    Member PolishBiker's Avatar
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    Actually it turns out its power steering pressure switch, guess they just fail overtime.
    They do not leak from the thread but through the actual hole where the fluid is pushed against when the car is running.
    Unfortunately power steering switch is the more expensive switch, around 180$ vs 30$ for oil pressure switch : (
    Turn off the tap when you brush your teeth!!
    Turning the taps off when you brush your teeth, can save up to 5 liters a minute!

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