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Thread: Braided hose at top of engine?

  1. 08-14-2023, 01:24 PM #1
    FFRWRX
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    Braided hose at top of engine?

    What is this for? Mine is plugged at the end that I'm holding, and then is just visible where the arrow is. From that point it seems to go downwards.

    Screenshot 2023-08-14 at 2.20.24 PM.jpg

    Thank you,

    Rick
    Build page (The Bolton Build): https://thefactoryfiveforum.com/show...ton-Build-818C
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  2. 08-14-2023, 01:35 PM #2
    Ted G
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    My guess would be a vacuum port
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  3. 08-14-2023, 05:13 PM #3
    Hobby Racer
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    Not a vacuum port. Most likely an oil pressure tap. The original WRX owner most likely has an aftermarket oil gauge installed. With the motor off, unscrew the plug and you should see oil drip out.

    Be sure to put it back before starting the engine.
    MK3.1 Roadster completed 2011
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  4. 08-14-2023, 05:54 PM #4
    FFRWRX
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    As long as it is not something stock that I should have connected. I'll try and see when the car is on the lift where it goes.
    Build page (The Bolton Build): https://thefactoryfiveforum.com/show...ton-Build-818C
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  5. 08-14-2023, 07:54 PM #5
    Hobby Racer
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    That is definitely not stock.
    MK3.1 Roadster completed 2011
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  6. 08-15-2023, 06:36 AM #6
    mikeb75
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    Label says "Earls"? It looks like previous owner ran a brake or clutch line to the rear oil galley to tap for oil pressure. Should look like this at the block (minus the sensor):
    18-Install-Accessory-Oil-Galley-Subaru-Adapter__33798.jpg

    The galley plug should be M18-1.5 if you want to blank it off.
    818SC chassis #206 EJ207 2.0L VF37 twin scroll || Cusco type RS 1.5 LSD || Wilwood pedal box (firewall attach) || Wilwood superlite front calipers
    BUILD Phase 1: 6/6/2014 car delivered || 5/24/2015 first start || 6/7/2015 go karted || 4/20/2016 hard-top-topped || 10/25/2016 registered || 11/18/2016 inspected & complete
    BUILD Phase 2: 3/8/2017 EJ207v8 || 5/29/2017 re-first re-start || 7/17/2017 re-assembled with race car bits
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  7. 08-15-2023, 08:50 AM #7
    FFRWRX
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    I'm OK leaving it as-is since it isn't leaking. I can't see where it is going as there are other hoses in the way. The oil pressure tapping makes sense.

    Thanks guy.
    Build page (The Bolton Build): https://thefactoryfiveforum.com/show...ton-Build-818C
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