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Haldex Gen5 oil change and gauze clean.

Fatbloke Sep 21, 2018

  1. Fatbloke

    Fatbloke Active Member

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    Hi All

    I had my car in at an Independent Specialist today to get the Haldex unit serviced.

    The car is not driven overly hard and spends most of its time motorway cruising. I don't drive it like miss daisy though. It's done just over 25,000 miles now.

    I expected the Haldex gauze filter to have some **** on it but wasn't expecting it to be as bad as it was. I am shocked.

    It was absolutely choked. I am getting it done again in 15,000 miles and will adjust from there depending on how bad it is.

    I cannot believe that Audi do not clean this item as part of a service and at reduced mileages.

    This is a serious design and/or maintenance flaw that will mean many could face excessive out of warranty repair bills.
     

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    Last edited: Sep 21, 2018
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  3. Tictap

    Tictap Member

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    Omg that’s bad, got mine booked in next week 1 year earlier than Audi recommend and specified the filter clean at the same time. Talking to the indie doing it he said most of the guys who go there get theirs changed yearly.
     
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  4. Robert997

    Robert997 New Member

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    That's a worry.Is this typical? How much does the haled service add to the price of a normal service?
     
  5. Fatbloke

    Fatbloke Active Member

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    It is indeed worrying.

    I think Audi take in the region of £140 to change the oil but they do not remove the pump and clean the gauze which was what my gripe was about.

    I got the correct VAG Haldex oil from Skoda for £36 and the indy specialist took £70 to do the work. It took around 650ml of oil.
     
    Last edited: Sep 21, 2018
  6. Robert997

    Robert997 New Member

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    Thanks Fatbloke, I guess I need to find an equally reputable specialist in Birmingham/Solihull now.

    Great advice, appreciated.
     
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  7. Marky-s3

    Marky-s3 Active Member

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    I'll be doing mine on its 2nd year service and around 7k miles just out of curiosity I have done 50+ launches and running over 400 bhp driven hard be good to see what it looks like
     
  8. Fatbloke

    Fatbloke Active Member

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    Mine is the A3 150tdi. Not much power. From what I have read the S3 and especially remapped ones etc seem to be more prone to Haldex issues so worth checking them out.
     
  9. Archie Mccallum

    Archie Mccallum New Member

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    Hi mate, I recently had my a3 remapped. I have the 2.0tdi Quattro 184, remapped to 220/450. I am now getting a booming noise in 5/6th gear around 50mph. I have had it in to a couple a garages an they have no idea. I reckon it has something to do with the remap and haldex unit. I have wrote my own forum but no one has helped me. Have u ever heard of my problem with the booming noise?
     
  10. Svenedin

    Svenedin Well-Known Member Team Navarra Audi S3 quattro S tronic

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    Thanks for posting those photos. It seems ridiculous that Audi do not clean the mesh filter. Just changing the oil is not good enough. It’s like changing the oil in the engine and ignoring the filter. I may look for an independent garage to do mine. I would do it myself but I do not have a safe level area to get the car on axle stands.
     
  11. mikemod

    mikemod Well-Known Member Team Tango Audi S3

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    Funny I've recently noticed a droning noise coming from the rear, happens when you lift off at about 60.
    I thought it was the tyres, as they were well down, but having just changed those yesterday the noise is still there.

    Currently at 25K, time to leave it it for them to have a look, it does sound like it is coming from the rear diff, although hard to say when driving.
     
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  13. Archie Mccallum

    Archie Mccallum New Member

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    Well I've had my rear diff looked at an the guy says it might be the haldex unit itself but he is unsure as he hasn't worked on them before. But been doing research and apparently you get a doughnut shaped bearing behind the haldex and between the rear diff. Meant to take out feedback f4om the diff to the front so you don't get vibrations. Well apparently they seize up. It's going back in next week. So if it helps can update u.
     
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  14. Svenedin

    Svenedin Well-Known Member Team Navarra Audi S3 quattro S tronic

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    @Fatbloke How much did your Indy charge? I’ve been quoted £115 by a local Indy to change the oil and clean the filter. Can be done while I wait.
     
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  15. Svenedin

    Svenedin Well-Known Member Team Navarra Audi S3 quattro S tronic

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    Just saw I hadn’t read the thread properly!
     
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  16. Fatbloke

    Fatbloke Active Member

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    Be good to get an update. May affect others. Perhaps just requires lubrication.
     
  17. aussieR

    aussieR Active Member

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    You're lucky that it didn't starve the pump and cause failure.

    Which happened to my mk7R out of warranty. The annoying thing was I had my haldex serviced early at 30k km snd then issues started at 35k km and failure at 40k km. I had car serviced at independent mechanic that I rated highly. But I'm not sure whether they cleaned filter properly or not. I saw photo of it at 40k km and totally blocked.

    I'd highly recommend yearly or every 2 years haldex service with filter clean, I'd ask shop to take photo before/after to confirm also.
     
  18. banchory

    banchory Member

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    Be worth putting new filter in as well as changing oil?
     
  19. Svenedin

    Svenedin Well-Known Member Team Navarra Audi S3 quattro S tronic

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    The gen 5 filter is a plastic gauze filter so just clean it. Older units did have filters that should be changed. Obviously replace the gauze filter if it is damaged.
     
  20. banchory

    banchory Member

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    Anything else should be changed underneath diff oil gearbox oil? Car is 2015 sq5.
    Thanks
     

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