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Thread: * DIY Injector cleaning how to * Pic Heavy

  1. #41
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    Wow. I'm getting an extra 3mpg, and that's mixed town and motorway. Definitely worth doing.
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    Audi S3:Blueflame TBE; 3" blueflame downpipe; Forge 007p; jabbasport custom map; Badger 5 TIP v1, various bushes, N249 Bypass, Stack Boost Gauge, Junior GT Brembo brakes, tarox 2 part discs, DS2500's

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  3. #42
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    Bump for the part numbers on the seals. Also anyone know what that ebay seller was that does the injector seals?

    S1LFH, thats a good increase, hows the car drive?
    Driving the most secretive S3 on ASN

  4. #43
    LiveWire's Avatar
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    Quote Originally Posted by Dani_B19 View Post
    Bump for the part numbers on the seals. Also anyone know what that ebay seller was that does the injector seals?

    S1LFH, thats a good increase, hows the car drive?

    A035 906 149 A A0602 O Ring £3.31 each + VAT !!!



    I remember buying some injector O rings for my old GTE, about 65 pence each.
    Last edited by LiveWire; 23rd May 2011 at 19:41.
    52 plate S3 / Ming Blue / 60K / Celtic Tuning Re-Map, Allegedly 278 Bhp-256 lb/ft (not proven/no chance)

  5. #44
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    WTF, how much.

    Is that for the top or bottom ones livewire?
    Driving the most secretive S3 on ASN

  6. #45
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    haha ye I bought 4 before, biggest waste of money ever. Dani, go to a motor factors and just get the same size o rings for peanuts.

    I think top and bottom are the same size on my injectors, not sure on others.

    I got my cleaner on Saturday, its bloody tiny lol. From looking at the pics it looks pretty big lol. Not bothered at all as it does the job intended but I thought it would be much bigger from looking at pics of it lol.
    Last edited by S3 Nattie; 23rd May 2011 at 19:48.
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  7. #46
    LiveWire's Avatar
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    Quote Originally Posted by Dani_B19 View Post
    WTF, how much.

    Is that for the top or bottom ones livewire?
    Same size for top and bottom mate, I was in a rush to get these (11am on a Sat morning) so just bit the bullet and went to the steelers
    52 plate S3 / Ming Blue / 60K / Celtic Tuning Re-Map, Allegedly 278 Bhp-256 lb/ft (not proven/no chance)

  8. #47
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    Wait until you ask for a price of an injector

  9. #48
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    Cheers lads, ill try to find the size of them. Would anyone happen to know the size o ring needed .
    Driving the most secretive S3 on ASN

  10. #49
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    My mates just had one go on his 170 tdi a3, cost £850 to replace it, lmfao, told him he was a right mug for going to the stealers.
    Driving the most secretive S3 on ASN

  11. #50
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    Quote Originally Posted by s3dave View Post
    I thought i would start a new thread for this, so it does not get lost in the other one.....

    This is a guide to ultrasonically clean your injectors, plus fuel pressure regulator... AKA, FPR thats what i will be calling it on this how to, for obvious reasons.
    I have tried to do the how to, so a completely clueless person can understand, so dont think im being patronizing ....lol

    Safety first,,,,you are messing with the fuel system, there is likely to be a little fuel lost in this process, so bear that in mind....

    So to start off this is the fuel rail, where all the attention will be

    By d121m at 2011-05-14
    and the FPR...

    By d121m at 2011-05-14

    Start off by unclipping the electrical wiring loom

    By d121m at 2011-05-14
    There are 3 clips holding the loom to the rail and simply push off
    Next is The FPR pull the hair clip type thing away from the FPR.... Then pull the vacuum pipe of the FPR

    By d121m at 2011-05-14
    Then get a cloth and put it over the FPR then twist and pull at the same time,(be prepared for some fuel spillage) it may be tight and require some patience but it will eventually give in, put it somewhere safe for now.

    By d121m at 2011-05-14

    next is to get the little clips off the top of the injectors that hold each connector on,
    a bit fiddly, i got a small screwdriver and eased them up, make sure you dont drop anything as it will be lost forever.....put all 4 safe and pull the connectors off each injector,

    By d121m at 2011-05-14

    Next is to remove the rail from the manifold...(it is still connected by the fuel pipes no need to touch these)
    there are 2 cap head bolts to undo (again make sure you dont drop them)

    By d121m at 2011-05-14
    and the other one...

    By d121m at 2011-05-14
    After these are removed and kept safe its time to pull the rail up with the injectors,
    once free of the manifold you can get to the injector clips (yes more clips) these simply slide out

    By d121m at 2011-05-14
    a pic of one out....

    By d121m at 2011-05-14
    take all 4 out and keep the safe, then pull the injectors out of the rail, sometimes the O ring keeps in the rail ... just hook it out and put it back on the injector
    once all 4 are out you are ready for the fun part....Bath time...
    injectors before their clean

    By d121m at 2011-05-14

    Next prepare your ultrasonic cleaner....

    By d121m at 2011-05-14

    I used very hot water and a cap full of james sea solution and put the cleaner on max 480 secs
    Get the injectors in along with the FPR and watch the crap come out of them...

    By d121m at 2011-05-14

    By d121m at 2011-05-14
    when it is finished the water looks like this:

    By d121m at 2011-05-14

    Take them all out and shake then let dry for half an hour or so,....Clean injectors!!

    By d121m at 2011-05-14

    Refitting is a reverse of the how to, being careful not to lose anything make sure everthing goes back the way it came off, start the car and check for leaks.....
    My car took a lot of starting (well third attempt) this time round must have got a bit of air in...
    so dont worry if it does not fire up as usual when first started...

    TOOLS NEEDED

    allen keys
    small screwdriver
    small pliers
    ultrasonic cleaner + fluid Ultra 7000 Ultrasonic Cleaner : Ultrasonic Cleaners : Maplin
    *on offer at the moment*
    little vid showing the cleaner doing its magic....

    http://img837.imageshack.us/img837/9379/8jp.mp4
    Hi Dave sorry to hijack, what size is the blue pipe you used on your N249 bypass and FPR is it all 4mm inside diameter or is it larger on the FPR, Is it just standard silicon pipe on the FPR or fuel resistant and is there fuel going through that blue pipe on the top of the FPR or is it just a vacuum pipe, and lastly what type of clips have you used Cheers mate

    Thanks chris
    <img src=http://cdn.as-static.com/vb/images/smilies/scared2.gif border=0 alt= title=Scared2 class=inlineimg />
    Quote Originally Posted by superkarl View Post
    i wear ladies underwear to work.

  12. #51
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    Quote Originally Posted by s3dave View Post
    I thought i would start a new thread for this, so it does not get lost in the other one.....

    This is a guide to ultrasonically clean your injectors, plus fuel pressure regulator... AKA, FPR thats what i will be calling it on this how to, for obvious reasons.
    I have tried to do the how to, so a completely clueless person can understand, so dont think im being patronizing ....lol

    Safety first,,,,you are messing with the fuel system, there is likely to be a little fuel lost in this process, so bear that in mind....

    So to start off this is the fuel rail, where all the attention will be

    By d121m at 2011-05-14
    and the FPR...

    By d121m at 2011-05-14

    Start off by unclipping the electrical wiring loom

    By d121m at 2011-05-14
    There are 3 clips holding the loom to the rail and simply push off
    Next is The FPR pull the hair clip type thing away from the FPR.... Then pull the vacuum pipe of the FPR

    By d121m at 2011-05-14
    Then get a cloth and put it over the FPR then twist and pull at the same time,(be prepared for some fuel spillage) it may be tight and require some patience but it will eventually give in, put it somewhere safe for now.

    By d121m at 2011-05-14

    next is to get the little clips off the top of the injectors that hold each connector on,
    a bit fiddly, i got a small screwdriver and eased them up, make sure you dont drop anything as it will be lost forever.....put all 4 safe and pull the connectors off each injector,

    By d121m at 2011-05-14

    Next is to remove the rail from the manifold...(it is still connected by the fuel pipes no need to touch these)
    there are 2 cap head bolts to undo (again make sure you dont drop them)

    By d121m at 2011-05-14
    and the other one...

    By d121m at 2011-05-14
    After these are removed and kept safe its time to pull the rail up with the injectors,
    once free of the manifold you can get to the injector clips (yes more clips) these simply slide out

    By d121m at 2011-05-14
    a pic of one out....

    By d121m at 2011-05-14
    take all 4 out and keep the safe, then pull the injectors out of the rail, sometimes the O ring keeps in the rail ... just hook it out and put it back on the injector
    once all 4 are out you are ready for the fun part....Bath time...
    injectors before their clean

    By d121m at 2011-05-14

    Next prepare your ultrasonic cleaner....

    By d121m at 2011-05-14

    I used very hot water and a cap full of james sea solution and put the cleaner on max 480 secs
    Get the injectors in along with the FPR and watch the crap come out of them...

    By d121m at 2011-05-14

    By d121m at 2011-05-14
    when it is finished the water looks like this:

    By d121m at 2011-05-14

    Take them all out and shake then let dry for half an hour or so,....Clean injectors!!

    By d121m at 2011-05-14

    Refitting is a reverse of the how to, being careful not to lose anything make sure everthing goes back the way it came off, start the car and check for leaks.....
    My car took a lot of starting (well third attempt) this time round must have got a bit of air in...
    so dont worry if it does not fire up as usual when first started...

    TOOLS NEEDED

    allen keys
    small screwdriver
    small pliers
    ultrasonic cleaner + fluid Ultra 7000 Ultrasonic Cleaner : Ultrasonic Cleaners : Maplin
    *on offer at the moment*
    little vid showing the cleaner doing its magic....

    http://img837.imageshack.us/img837/9379/8jp.mp4
    Hi Dave sorry to hijack, what size is the blue pipe you used on your N249 bypass and FPR is it all 4mm inside diameter or is it larger on the FPR, Is it just standard silicon pipe on the FPR or fuel resistant and is there fuel going through that blue pipe on the top of the FPR or is it just a vacuum pipe, and lastly what type of clips have you used Cheers mate

    Thanks chris
    <img src=http://cdn.as-static.com/vb/images/smilies/scared2.gif border=0 alt= title=Scared2 class=inlineimg />
    Quote Originally Posted by superkarl View Post
    i wear ladies underwear to work.

  13. #52
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    I got 3mm internal fits very snug...you dont really need clips on, i just used the ones that came off...standard silicone no fuel goes in them

  14. #53
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    Cheers Dave I was just confused as that pipe was going into the top of the FPR.
    <img src=http://cdn.as-static.com/vb/images/smilies/scared2.gif border=0 alt= title=Scared2 class=inlineimg />
    Quote Originally Posted by superkarl View Post
    i wear ladies underwear to work.

  15. #54
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    Planning to have a go at this over the weekend. What size allen key(s) do I need s3dave?

  16. #55
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    5.5mm allen key I think I used.

    Ive just done mine, took less than 5 min to get everything off and in the cleaner, also cleaned the rail too while everything was drying. I cleaned mine twice (480 seconds each) and the first time you couldnt even see the injectors once finished but I think that is down to the surface dirty too. The second time the solution was still quite clean when finished. Will give it a drive later and see how it feels. Oh mine started first time like normal.
    For sale

    3" Downpipe and de cat (will be going on ebay soon)
    Autogauge boost gauge
    Chrome Audi Number plate surrounds

    PM for info.

  17. #56
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    Woohoo just done mine not as hard as I thought stated straight away after too, iv also done the N249 bypass so next is the catch can I think
    <img src=http://cdn.as-static.com/vb/images/smilies/scared2.gif border=0 alt= title=Scared2 class=inlineimg />
    Quote Originally Posted by superkarl View Post
    i wear ladies underwear to work.

  18. #57
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    Thanks S3 Nattie.

    Would that be the same size as the bolt thats used for the AIT/IAT sensor (near the throttle body)? I'm about to head out, but haven't got time to check my allen keys first!

    Also, do you need an especially long allen key?

    Sorry for all the questions!

  19. #58
    S3 Nattie's Avatar
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    Was either a 5 or 5.5mm allen key for the 2 bolts and the IAT sensor is probably the same.

    Use a long nose allen key to undo the 2 bolts for the fuel rail.
    For sale

    3" Downpipe and de cat (will be going on ebay soon)
    Autogauge boost gauge
    Chrome Audi Number plate surrounds

    PM for info.

  20. #59
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    Nathhhhhhhhhh when I can pop down to do mine??

  21. #60
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    Bring it round in the week and we will log your car also. I cant tell any difference if im honest. See if my MPG changes once ive driven it enough.

    Ive been using it for cleaning mine and my families jewellery and it work very well for that lol.
    For sale

    3" Downpipe and de cat (will be going on ebay soon)
    Autogauge boost gauge
    Chrome Audi Number plate surrounds

    PM for info.

  22. #61
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    If it works well bro why not lol. Ok I'm free until Thursday, whens a good day for you? Hopefully my MAF has bedded in then, to be honest Since I've fitted it I havnt driven the car hard just because I haven't had enough fuel in it lol!

  23. #62
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    I've done my throttle body as well,I'm doing a good 4 extra miles per gallon.

  24. #63
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    Quote Originally Posted by voorhees View Post
    I've done my throttle body as well,I'm doing a good 4 extra miles per gallon.
    What have you done to your throttle body voorhees? alignment??

  25. #64
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    Hell have took it off and cleaned it.
    Driving the most secretive S3 on ASN

  26. #65
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    Quote Originally Posted by vanilla_ice View Post
    Planning to have a go at this over the weekend. What size allen key(s) do I need s3dave?
    A bit late now SOS but it's 5 mm

  27. #66
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    Quote Originally Posted by jk_s3 View Post
    What have you done to your throttle body voorhees? alignment??
    Quote Originally Posted by Dani_B19 View Post
    He'll have took it off and cleaned it.
    Yes did that,DV service will be next

  28. #67
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    I've got the cleaner but no solution and its eems like online only.

    Has anyone just used washing up liquid? Or this home made solution:
    How to make a Homemade Ultrasonic Cleaning Solution | eHow.com
    Handling mods++. HTA3582 stroker soon-ish. Hiding parts from the mrs since 2011. Build thread

  29. #68
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    Quote Originally Posted by Sam_ View Post
    I've got the cleaner but no solution and its eems like online only.

    Has anyone just used washing up liquid? Or this home made solution:
    How to make a Homemade Ultrasonic Cleaning Solution | eHow.com
    I wouldn't use washing up liquid as I can imagine it getting quite frothy! Water on its own should still clean it quite well as it's the ultrasonic waves that do all the cleaning work. I'm doing my injectors again this week in preperation for the Ring trip.
    8P A3 TDI - 220bhp - 335lbft
    A3 Maintenance Thread
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  30. #69
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    really must get round to doing this on the track car. got the cleaner and solution, but just havn't got round to it! I reckon they'll be pretty dirty after 206 000 miles!
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  31. #70
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    Quote Originally Posted by Prawn View Post
    really must get round to doing this on the track car. got the cleaner and solution, but just havn't got round to it! I reckon they'll be pretty dirty after 206 000 miles!
    Get it done in the next 2 weeks mate, you'll be amazed. It only takes an hour to get all the injectors off, bathed a few times, then all back together.
    8P A3 TDI - 220bhp - 335lbft
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  32. #71
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    Quote Originally Posted by Sam_ View Post
    I've got the cleaner but no solution and its eems like online only.

    Has anyone just used washing up liquid? Or this home made solution:
    How to make a Homemade Ultrasonic Cleaning Solution | eHow.com
    I would use warm water with a spoonful of vinegar,..., like westy says it will break down the crap anyway just do a few cycles..

  33. #72
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    cheers, will give this a go on the weekend and keep you posted.

  34. #73
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    Done this it works a treat

  35. #74
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    Bump, anyone around London with a cleaner? Fancy getting this done!

  36. #75
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    Any chance of getting the photos back up, they seem to have disappeared?
    sportquattro likes this.

 

 
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