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Thread: new turbo

  1. #81
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    My turbo whistles so i just live with it.

    When i first got my A3 the turbo whistled & everyone said its was fooked. I spent x amount on a brand new unit & x amount again on fitting. It was fitted & same noise so i know the turbo is ok.
    It can be sat idling & all quiet then the panpipes start. If i blip the throttle it stops again for a bit.
    Driving along it whistles whilst it spinning up & when cold i can hear the DV. I know the turbo is ok so i,m not worried about it.

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  3. #82
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    There should be a little more lag from the K03S due to it been a larger turbo but not kicking in until double that of a k03 is mental. You almost definately have a boost leak, try smothering ALL intake and feed pipes with a mix of fairy liquid and water. If its the pipe clips I reccomend replacing them all with mikalor hose clamps as you can get them much tighter and they tidy things up alot too.

    I would also recomend checking your boost actuator which would also go to explain overboost.

  4. #83
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    The new turbo is all plumbed in and guess what still getting the same whistle, so it's got to be a boost leak, might just buy some new silcone hoses, would that washing up liquid work when its not boosting, would it work just by revving it, just changed the alternator cause that was whining now it wants to whistle, what's it gonna do next

  5. #84
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    was gonna spray around the pipe work with some soapy water today but then thought.... these hoses get air sucked through them not blown through so i wouldnt get any bubbles, it would just suck the water in the air leak, am i right in thinking this??

  6. #85
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    No as it's boosting so it's forcing air through the pipes at a high pressure to fill the cylinders with as much air as possible hence why the pipes expand when boosting. But you may not find out at idle as it may only leak at a certain boost pressure when there is load on the engine as you won't create any boost at idle.
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  7. #86
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    wouldnt that push air back through the airfilter though??? is there a way i can check where the leak is coming from??

  8. #87
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    No as the turbo is sucking the air from the filter to create the boost in the pipework you can do a boost leak test by taking the oil cap off, remove the pancake/hockey puck valve of the intake and blank the pipe then get something that will go over the MAF housing with a tyre valve in it then charge the system through it with a tyre gauge but don't go past 15psi a you may blow seals so it's a good idea to have someone watch your boost gauge whilst you check your pipe work.
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  9. #88
    "Stick a V8 in it!"

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    as i said before, you need to perform a boost leak test.

    Use something like this, with a compressor or airline:

    Turbo Boost Leak Tester - kit for all turbo cars | eBay

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  10. #89
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    I DIY'd my own -



    It was one of the blanking caps of the exhaust extractors at work it had a whole already in it so just pulled a tyre valve through and it's as tight as a nuns **** lol and fits perfectly on the MAF housing with a jubilee and then just found something to bung the intake pipe up. Worked a treat.
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  11. #90
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    gonna take a trip round some hardware stores tomorrow see if i can find something to make this boost leak tester, watched a couple of vids on youtube showing a couple of ways to make them, car went for its mot yesterday an failed on emissions, im hoping its down to the boost leak, emissions are always a ball ache trying to sort out

  12. #91
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    Ye theres a few i found this one useful HOW TO BOOST LEAK TEST on an AUDI A4 1.8T - TurboBoostLeakTesters.com - YouTube

    diameter is about 2.75 inch for the MAF iirc

    Hope you sort it mate.
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  13. #92
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    yea seen that 1, found this as well, this is what im gonna try an make

    Boost Leak Testing 101: Building the tool. - YouTube

  14. #93
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    there's a boost leak test on there done on a TT and they used a bean can, i just tried this an it squashed the can, the only thing i can think of to what they did is drill a hole in both ends, where as i used 1 of them where you have a pull ring to pull the lid off

  15. #94
    "Stick a V8 in it!"

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    What was your CO2 figure on the emissions test?

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  16. #95
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    they didnt give me the emissions sheet

  17. #96
    "Stick a V8 in it!"

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    Thats kinda useless then!

    A lot can be gleaned from the figures on the sheet. A failed cat would give different figures to a faulty lambda sensor or MAF for instance.

    Without that info your just guessing at any number of possible causes.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  18. #97
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    i know im gonna go bk tomorrow an see if i can get it or get another 1 done

  19. #98
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    i went round all the local stores, pochins, B&Q, buildbase, homebase and a couple others and couldnt find anything, gutter down pipe was just the right size but couldnt find anything to cap the end, so went home to make a cup of coffee an when i opened the suger jar i thought if i could get something like this in the right size it would do the job, so shot out down the nearest tic-tac shop an found this













  20. #99
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    found a leak, it was coming from 1 of the injectors, the far bk 1

  21. #100
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    never touched the injectors before, does this mean its just come lose an needs pushing bk in or has a seal gone and i need to replace it, is it hard to remove

  22. #101
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    got my emissions sheet off the mot place
    min max
    fast idle test

    CO level 9.87% fail -- 0.30

    HC level 301ppm fail -- 200

    lambda 0.75 fail 0.97 1.03

    second fast idle test

    CO level 10.41% fail -- 0.30

    HC level 342ppm fail -- 200

    lambda 0.73 fail 0.97 1.03


    natural idle speed

    CO level 3.09 fail -- 0.50



    think i failed my emissions

  23. #102
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    oh and my manifold has got a crack in it now, i did find a secondhand 1 on fleebay but it says its for the apu engine would it still fit the aeb engine
    jamie226bhp likes this.

  24. #103
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    It will fit yes, but its small port. Fine if no future upgrades planned.

    I'd be more worried about the high C02 etc, signs of a worn engine or blocked breather

  25. #104
    "Stick a V8 in it!"

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    At a guess, your lambda sensor is fried.

    That or there is a major leak pre-lambda.

    The HC's are sensible, which means the engine IS burning the fuel, theres just far too much of it.
    Last edited by aragorn; 15th October 2011 at 20:33.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  26. #105
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    need a vagcom really then

  27. #106
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    Vagcom ordered should get that sometime mid week, are them manifolds any good on fleebay? Rang around and most places don't sell them

  28. #107
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    i do get a strong smell of petrol if i give it high rev's, seen this on ebay but not to sure cause of some of the tac you can get on fleebay

    AUDI A4 PASSAT 1.8T K03 K04 STAINLESS STEEL EXHAUST EQUAL MANIFOLD LONGITUDINAL | eBay

  29. #108
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    Id go for an ATP high flow manifold eBay number 200623006159 which is similar to the FT one I have but then you need longer bolts or threaded bar and nuts.

    Here's mine



    I have a my old standard manifold at work ill check for any cracks and you can have it if you cover postage PM me if interested.
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  30. #109
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    sweet cheers bud, pm sent, why is it blanked off where there turbo bolts on

  31. #110
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    That's a from the top view. The port is underneath here's a pic of mine fitted as you can see it's nearly double in size to the oem manifold hence why you have to use threaded bar and nuts as the rear bolt closest to the engine I had to insert the threaded bar from the bottom wind the nut as much as I could up top then align the turbo upto it as the bar won't clear the rocker cover wasnt that bad of a job to do and didn't struggle to say that some ppl have said there a b****** to fit.

    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  32. #111
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    ahh i see now

  33. #112
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    You can use the BEX coded manifold aswell cant you? Thats bigger than the B5 1.8t manifolds so should flow a bit better. Or buy the THS manifold which is based on the ATP item im sure.

    Cactus green 8L S3 - B5 TIP + Jetex, Revised 007p, R32 rear ARB, AP Coilovers, Compbrake rear arms, Full Powerflexed dogbone.

  34. #113
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    sorted out out the vagcom (what a ball ache to install) and its come up with 8 fault codes, here goes

    18010 - P1602 - power supply (B+) terminal 30 low voltage

    16500 - P0116 - engine coolant temp. circ range/performance

    16518 - P0134 - 02 sensor circ. bank 1 - sensor no activerty detected

    17978 - P1570 - control module locked

    16705 - P0321 - ign/distributor eng. speed inp. circ range/performance

    00561 ???? couldnt find this 1

    00670 ???? think this 1 is throttle position sensor

    16705 - P0123 - throttle/pedal pos. sensor A circ high input

    ABS

    00290 ????

    00287 ????

    cant any1 give me any help with these plz

  35. #114
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    00561 is to do with mixture adaptation iirc had this on mine when the gasket blew on the decat when I didn't tighten up the b**** of a nut under the manifold properly. Replaced it when I did the FT conversion and haven't seen it since.

    I'd be clearing the codes going for a 10min drive and then see what pops up.
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  36. #115
    "Stick a V8 in it!"

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    As above you need to clear them, then see what comes back. But the mixture/lambda codes will likely be the cause of your emissions.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  37. #116
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    some1 on here had a link for rosstec page with all the fault codes, really good sit, helps out loads, way better than the 1 for op-com, i know 1 is the boost leak and the cracked manifold and another 1 i think with my old turbo being fuk'd has clogged up my lambda sensor, another 1 is my immobiliser playing up, another being a air leak on 1 of my injectors, need to change both rear ABS sensors.
    not sure about these though 16705, 00561, 00670

    this is the web page

    Category:Fault Codes - Ross-Tech Wiki

  38. #117
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    yea 00561 comes up with boost leak as a possible fault, i found that ive got a hole in my exhaust some where near the cat/flex on my middle pipe, not had a chance to have a look where its coming from

  39. #118
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    Clear the codes away, and then drive the car for 15mins and scan again.

    The ECU will store codes up, and will show them even if they're no longer relevant.

    If you clear them, then any that come back need immediate attention.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  40. #119
    Bradderz_1988's Avatar
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    Clear the codes as you may be pissing in the wind with some fault codes.

    Then see what codes you have to be sure you are checking the right fault codes for your faults !!
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  41. #120
    skinz's Avatar
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    ok i'll give it a run tomorrow an let you know

 

 
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