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Haldex Gen5 oil change and gauze clean.

Fatbloke Sep 21, 2018

  1. Fatbloke

    Fatbloke Registered User

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    w.h.i.p.p.e.t and N.J.H like this.
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  3. bokoboy

    bokoboy Registered User

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  4. mikemod

    mikemod Registered User

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    The bolts and O rings are £15 from Audi so the rest must be labour :(
     
  5. Jud

    Jud Registered User

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    Just ordered the kit from Crewe Audi to do this myself

    Sent from my SM-G973F using Tapatalk
     
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  6. bokoboy

    bokoboy Registered User

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    Must be an “ engine out” job :astonished::tearsofjoy::tearsofjoy::rage:
     
  7. w.h.i.p.p.e.t

    w.h.i.p.p.e.t Registered User

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    Looks like a pump learn is a 'best practice' procedure. Nice bit of info via the link in the description for the O-Rings. Looks like you need to use VCDS for this though...

    Linkylink - https://www.haldexrepairs.co.uk/generation-5-haldex-fault-finding-repair-guide/
     
  8. mike170

    mike170 Registered User

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    My filter was clogged up, and needed this after finding front wheel spinning under acceleration!

    Got the pump learn done at Indy for £30, only then to find out can be done via odb eleven!


    Sent from my iPhone using Tapatalk
     
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  9. w.h.i.p.p.e.t

    w.h.i.p.p.e.t Registered User

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    Good to know. I'm trying to decide what to go for. I see that the DSG temp checks can be done via odb11 too.

    VCDS looks like it's probably 'better' but then you need a laptop AFAIK.
     
  10. Jud

    Jud Registered User

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    Well kit has arrived from Crewe Audi, guess to fill it I've got a 100ml syringe & some rubber hose..... might wait till it's a little warmer?[​IMG]

    Sent from my SM-G973F using Tapatalk
     
  11. w.h.i.p.p.e.t

    w.h.i.p.p.e.t Registered User

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    So it doesn't it come with the pump-top and tube?
     
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  13. Jud

    Jud Registered User

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    Kit come as pictured

    Sent from my SM-G973F using Tapatalk
     
  14. w.h.i.p.p.e.t

    w.h.i.p.p.e.t Registered User

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    Wow that's a bit tight of them. How much was that? ~£85 ?
     
  15. Jud

    Jud Registered User

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    £65 delivered

    Sent from my SM-G973F using Tapatalk
     
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  16. w.h.i.p.p.e.t

    w.h.i.p.p.e.t Registered User

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    Cheers. Not too bad. I thought the pump parts were ~£45 on their own.

    When are you going to have go at doing this?
     
  17. Fatbloke

    Fatbloke Registered User

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    I think the oil was £38 from Skoda. Would be interesting to see how much they take for the o rings and bolts.
     
  18. Nige Smith

    Nige Smith Registered User

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    Had my S3 into John Mitchell Racing today for my Haldex service & gauze clean! £139 all in. John & Ben really know their stuff & deal with all aspects of VAG tuning & servicing. I would highly recommend them.
     

    Attached Files:

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  19. craigpanthercrystal

    craigpanthercrystal Registered User

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    £139! It takes 15 minutes tops, I thought Audi were steep at £90! I guess if you don't like getting your hands dirty then £139 is worth peace of mind but it is such an easy job DIY.
     
  20. craigpanthercrystal

    craigpanthercrystal Registered User

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    Anyone in Peterborough ill do it with genuine parts and pics with the clean for £90 :) could be a nice earner.
     
  21. Nige Smith

    Nige Smith Registered User

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    p
    Bear in mind that it needs a diagnostic check & reset afterwards to remove the 'learnt behaviour' adopted by the pump. I neither have a ramp or diagnostic equipment to carry out this 'simple' job on my £30k car!
     
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  22. pburv

    pburv Registered User

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    What mileage was on your car when this was done.
     
  23. Nige Smith

    Nige Smith Registered User

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    29K
     
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  24. N.J.H

    N.J.H Registered User

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    Ok so undertook this job today having received the service kit and oil last week. It most certainly isn't a 15 minute job to do properly, but is relatively straightforward and the pump strainer was around 50% blocked so I am very glad I did it myself as Audi would have just changed the oil and omitted the most important part of a Haldex service, which is quite ridiculous.
     
  25. Daz4311

    Daz4311 Registered User

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    What mileage have yoi done???
     
  26. N.J.H

    N.J.H Registered User

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  27. A3_For_Me

    A3_For_Me Registered User

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    Got mine done 23k at A for Audi in Clydebank they took £99 that's oil change and filter clean
     
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  28. craigpanthercrystal

    craigpanthercrystal Registered User

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    Yes it is... That includes cleaning the Gauze, using a torque wrench and using new O rings, Oh and taking pics. probably 30 mins if you need to work with the car on the ground.
     
  29. mike170

    mike170 Registered User

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    Hope they did clean the gauze.....
    I’d be asking for photos or a video to be sure.

    Wouldn’t and don’t trust Audi dealers.


    Sent from my iPhone using Tapatalk
     
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  30. Nige Smith

    Nige Smith Registered User

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    Do you know if they re-coded afterwards?
     
  31. Lehn

    Lehn The van man

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    Nothing needs coding after a haldex oil change :)
     
  32. mike170

    mike170 Registered User

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    It does if filter blocked, and you end up with the front wheels spinning!


    Sent from my iPhone using Tapatalk
     
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  34. Lehn

    Lehn The van man

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    Of course you should clear any error codes or code the module if you change the pump, but under normal conditions an oil change doesn’t need any coding on a gen 5 haldex unit.
     
  35. Nige Smith

    Nige Smith Registered User

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    A diagnostic check is required as the pump has 'learnt behaviour' from when the filter is blocked. If you look somewhere on page 3 of this thread another member mentions it as well. It falls under 'best practise' apparently. John at JRM has over 30 years experience of VAG cars so I'll go with his advice.
     
    w.h.i.p.p.e.t likes this.
  36. Lehn

    Lehn The van man

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    You do know this guy earns money by performing this, right? And this kinda gives it away "ALSO IT DOES NOT WORK CORRECTLY WITH “OBD11” OR CHINA COPY VCDS!". Not a lot of people have a genuine VCDS cable and buying one for just making the oil change would be more expensive than just paying this bloke to do it.

    Of course people can do what they want, but let me put it this way: if the pump is smart enough to figure out that the filter is blocked/partly blocked, why wouldn't it be smart enough to figure out when the filter isn't blocked anymore?

    He actually explains this below:

    "The control unit learns how much power is required to run the pump until the pressure hits a certain threshold, it does this by monitoring how much current is consumed by the pump, when the pump is blocked, or faulty, the control unit learns/adapts some very low values which means when the Haldex controller tried to engage the pump, it does not supply enough power to make it engage. By carrying out the learn function when fitting a new pump, it will learn the correct power values and thus engage the system correctly."

    So the unit should learn that it doesn't need that much current anymore to hit this certain threshold after cleaning the filter. I talked to two of my friends which are mechanics at Audi and YES the adaption should be performed when changing the pump since not all pumps behave the same but Elsawin doesn't say anything about making the adaption when just changing the oil.

    I just post this so people don't spend money on something that might actually not be necessary. I wouldn't even bother to buy the repair kit because it's only a matter of oiling the o-rings and not overtighten the screws.

    I’m just trying to say that some stuff should not be over complicated or made into a business like changing the oil on a haldex unit.

    Just my 5 cent, take it or leave it :)
     
    Last edited: Jan 20, 2020
    w.h.i.p.p.e.t, .Ben., pburv and 4 others like this.
  37. Fatbloke

    Fatbloke Registered User

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    What's the VCDS procedure to get it to re-learn?
     
  38. Lehn

    Lehn The van man

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  39. A19quattro

    A19quattro Registered User

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    Did the Wife's Skoda Yeti a couple of weeks ago, 101,000 miles and first time I have done it, been done before in the history but nothing to say any time recently.
    Was pretty easy and not blocked, just a bit dirty, didn't change the bolts and all came apart and went back together no problem. Done in the drive on a Trolley jack in the frost, in Scotland, pah, Southerners :readit:
    Decided to use the Febi oil rather than genuine, reliably informed before buying it's all the same anyway (where have I heard that before...), however as far as I can see it isn't. Genuine oil I had in the garage from my last A3 change (2005, Older Gen but only one number different in the part numbers) is clearer in colour, Febi is more yellowy. Checked and definitely the correct oil, so will see how it goes no doubt. Any one had any issues storing the oil, my older stuff had gone lumpy, so don't think it's useable, may be the Scottish weather, gets us all eventually :cold: will keep you all posted if it goes wrong any time soon, ;)
     
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  40. A3_For_Me

    A3_For_Me Registered User

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    A for Audi are Audi specialists mate not dealers
     
  41. w.h.i.p.p.e.t

    w.h.i.p.p.e.t Registered User

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    Ah, but does it? :readit::blink:
     
    Last edited: Jan 29, 2020
  42. w.h.i.p.p.e.t

    w.h.i.p.p.e.t Registered User

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    Looks like it's not only possible via VCDS. Handy if someone already has OBD11 :icon thumright:
     
  43. Lehn

    Lehn The van man

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    Don’t know tbh and from my perspective it doesn’t matter anyway. If it learns it learns when its clogged and when it’s not clogged. If it doesn’t yeah :footy:
     
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