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Best oil for high mileage AJL 1.8T?

Discussion in 'A4/S4 forum(B5 Chassis)' started by madkebab, Sep 29, 2011.

  1. madkebab
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    madkebab Member

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    [Sep 29, 2011]
    I have just bought a 1.8TQS with 145k on the clock. What oil should I be using a fully synthetic or semi synthetic? I used to use Synta silver on my old 1.8T AEB just wanted to check to see if that was still the best bet.
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  3. jamie226bhp
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    jamie226bhp Member

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    [Sep 29, 2011]
    I run castrol edge 5w 40 which is full synthetic and changed every 4000 miles
    Last edited: Sep 29, 2011
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  4. Jason.s
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    Jason.s Active Member

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    [Sep 29, 2011]
    Would still use 5w40 quantum from maindealer or TPS
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  5. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Sep 29, 2011]
    Yeh stick with a fully synth oil, and change it regularly.
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  6. Oranoco
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    Oranoco Well-Known Member

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    [Sep 29, 2011]
    Vegetable but after 150k I would swap to Olive :jester:
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  7. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Sep 29, 2011]
    Full synth on my low mileage 140k TQS here. Just change more regularily than 10k , 6 k max maybe?

    got her then Si?
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  8. madkebab
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    madkebab Member

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    [Sep 29, 2011]
    Yes mate. Probably bought with my heart rather than my head as there are a few bits that need sorting. These include

    ABS controller
    Thermostat
    Rear wheel bearing
    Oil service

    Will get some pictures up and the full spec when I get a chance. I can't believe it was 8 years ago I joined this site when I bought my first Audi.
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  9. madkebab
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    madkebab Member

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    [Oct 1, 2011]
    well got the oil changed today. Picked up some Quantum Platinum 5W40 from the local VW stealers as the Audi stealer doesnt stock it! Glad I changed the oil immediately as it looked well overdue and they had used a Motorquip filter. The OEM filter was about twice the size. Anyhow pressure came back up instantly and no nasty noisys from the hydraulic tappets so hopefully the engine is free of sludge.

    Next jobs will be the thermostat and rear wheel bearing. Oh and there appears to be some coolant leaking around the oil cooler, is this just the clips going weak over time?
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  10. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Oct 1, 2011]
    keep an eye on the color of the oil. If it starts turning black get it changed and keep doing so until it starts lasting a proper time and staying golden.
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  11. AndyC
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    AndyC Moderator Staff Member Moderator

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    [Oct 1, 2011]
    Agree with above.
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  12. Kingfisher
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    Kingfisher Member

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    [Oct 2, 2011]
    You sure it's the rear wheel bearing?
    I thought this on wife's 80k miles, specialist looked at it and said no..... but the rear lower wishbone bushes were worn, reckon that it needed new and then the noise would go ( also odd wear pattern on tyres).

    Well, had new tyres ( bought Goodyear assymetric2 this time) and immediately the rumbling has stopped . So it's about to get new bushes and an alignment.

    Same with the cooler and traces of coolant ( sort of pinkish ), keeping an eye on it but the oil is fine and I think it's just a slight weep from the hose/clips. It's been like this for several yaers but no real loss of coolant.
    By the way apparently there is an even bigger filter that fits , think it is from the 2.5TDi vans?? 074 115 561 is the part number, must hols at least anothe half a liter of oil !
    Last edited: Oct 2, 2011
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  13. AR-rkon
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    AR-rkon Midlands regional Moderator Regional Rep

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    [Oct 2, 2011]
    awhh come on... surely such a star of engineering deserves extra virgin ?:icon_thumright:
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