1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

S3 Fuel Pump Into A3 Fuel Pump Housing, Help Please!

Discussion in 'A3/S3 Forum (8L Chassis)' started by VAG-Slag, Aug 17, 2014.

  1. VAG-Slag

    VAG-Slag Well-Known Member

    Joined:
    Jul 11, 2011
    Messages:
    1,689
    Likes Received:
    394
    I've just removed my fuel pump to fit the S3 pump I have bit I've noticed the S3 pump has an extra inlet/outlet that isn't on the original pump... I'm guessing its the fuel return?

    Do I just take this hose:
    [​IMG]

    And stick it on this bit of the new pump:
    [​IMG]

    Or do I need a S3 housing?...

    Thanks
     
    #1 VAG-Slag, Aug 17, 2014
    Last edited: Aug 18, 2014
  2. Advert Guest Advertisement


  3. Machine212

    Machine212 Active Member

    Joined:
    Oct 29, 2013
    Messages:
    120
    Likes Received:
    30
    S3 has two fuel pumps, pretty sure the extra pipe is where it receives fuel from the other pump. Should be fine without it.
     
    #2 Machine212, Aug 17, 2014
    Last edited: Aug 17, 2014
  4. snowy

    snowy Active Member

    Joined:
    Jan 12, 2011
    Messages:
    382
    Likes Received:
    91
    thats an outlet to feed the 2nd pump, not a return
    the 2nd pump is a venturi pressure driven type thing
    just point the s3 2nd outlet back into tank
    as in an lcr
     
  5. Machine212

    Machine212 Active Member

    Joined:
    Oct 29, 2013
    Messages:
    120
    Likes Received:
    30
    Ah thats it, got it the other way round. Doesn't receive fuel, sends it to the other pump.
     
  6. VAG-Slag

    VAG-Slag Well-Known Member

    Joined:
    Jul 11, 2011
    Messages:
    1,689
    Likes Received:
    394
    Cool, cheers for your help fallas... I've had a little fiddle and bodged this together:
    [​IMG]

    Will that do the job? . .

    p.s that pipe ends pretty much as soon as it's out of shot
     
  7. Machine212

    Machine212 Active Member

    Joined:
    Oct 29, 2013
    Messages:
    120
    Likes Received:
    30
    I would guess so! Heres a picture of mine i did not too long ago. This is an S3 one though.

    10492167_10152139339216836_6345511765001876305_n.jpg
     
  8. badger5

    badger5 www.badger5.co.uk
    Site Sponsor

    Joined:
    May 28, 2004
    Messages:
    9,166
    Likes Received:
    1,790
    you block the additional outlet up.
    sytec pump would have been simpler
     
  9. snowy

    snowy Active Member

    Joined:
    Jan 12, 2011
    Messages:
    382
    Likes Received:
    91
    For ref, a pic of the LCR swirl pot - the secondary feed is the black line fed into the bottom of the swirl pot


    [​IMG]
     
  10. badger5

    badger5 www.badger5.co.uk
    Site Sponsor

    Joined:
    May 28, 2004
    Messages:
    9,166
    Likes Received:
    1,790
    thats a non VDO pump pictured btw.. VDO is the most commonly fitted.. and does'nt look like your pictured one
     
  11. snowy

    snowy Active Member

    Joined:
    Jan 12, 2011
    Messages:
    382
    Likes Received:
    91
    The pic is merely to illustrate how VAG themselves designed a swirl pot to fit a dual outlet pump into a single pump application
     
  12. badger5

    badger5 www.badger5.co.uk
    Site Sponsor

    Joined:
    May 28, 2004
    Messages:
    9,166
    Likes Received:
    1,790
    I see now... but the op's pump was VDO and does'nt have this type
     
  13. VAG-Slag

    VAG-Slag Well-Known Member

    Joined:
    Jul 11, 2011
    Messages:
    1,689
    Likes Received:
    394
    Cheers for the heads up Bill, I'll block the end of that hose off before putting it back in the tank then... Was gonna give you a call to talk about other fuel pump option soon anyway!
     

Share This Page