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Oil overfill/oil pressure warning ????

colinst205wrc Nov 6, 2013

  1. colinst205wrc

    colinst205wrc New Member

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    Posted this on the B6 forum only to be informed I have a B7 so re submitting here. Thanks all.

    I have a 2.0L TDI 2005 so think its a B6 (Now known to be B7). The engine code is BLB so hope this helps.

    I noticed a couple of days ago the engine seemed noisy on start up in the morning. Once warm it was fine. So I checked the oil and it was down to the minimum on the dipstick. I got a 1L of oil and put it in. I didn't think that 1L would take it from min to overfilled so didn't check just drove home. as it was late on Sunday evening the roads were empty and the car was fine. The following morning after driving for just a min or two the oil pressure light came on. This came on a couple of times and went off and once I reached the motorway all was fine and didn't come on again. On the way home this was repeated. Once home I checked the levels and the oil was past the max. It was up to the flat bit of the dipstick past the bobbles so I think this is overfilled. I took the car today to get an oil change as it was due in 1500 miles and I still have the same issue.
    I have noticed if I keep the revs above 1800-2000 then I have no issues. Once below about 1800 the oil pressure warning comes on. The car starts, idles and accelerates fine. The turbo spins up fine and I have suffered no loss of power at all.
    Having read a lot of info now about the oil pump being chain driven and this causing issues I don't know what to try next. It seems it all started when I added the extra litre of oil.
    The car is at 143k and I have the oil change done regularly and the car hasn't skipped a beat in the year I have owned it.
    What peoples thoughts?

    Thanks in advance for your help.
     
  2. ruairi83

    ruairi83 Well-Known Member Team Sepang quattro Audi A4 Black Edition

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    Read the sticky thread on the oil balance shaft failure thread
     
  3. B5NUT

    B5NUT Well-Known Member VCDS Map User quattro Audi A6 Audi Avant Owner Group S-line owners group

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    Unfortunately your problem has nothing to do with slightly overfilling the engine. The BLB engine has a design flaw with the chain driven oil pump, which needs to be converted to gear driven, the cost is around £800 to £1,000 for the conversion. I would not drive the car in it's current condition, as if the pump completely fails your looking at a new engine & turbo. As above read this thread http://www.audi-sport.net/vb/audi-s...7-2-0-tdi-oil-pump-balance-shaft-failure.html
     
    Last edited: Nov 6, 2013
  4. jdp1962

    jdp1962 Grumpy Old Moderator Staff Member Moderator Team V6 TFSI Owners Group Gold Supporter Team Tornado Audi S4 quattro Black Edition s tronic

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    Which colour oil light has come on, orange or red?

    if it's red, stop driving it immediately.
     
  5. colinst205wrc

    colinst205wrc New Member

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    Thanks all, I really did hope it was going to be something to do with the addition of the oil. I am not driving it anymore and will have it looked at to assess the damage and get a quote. Fingers crossed.
     
  6. Paul B7

    Paul B7 Active Member

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    Always remember, ""RED is DEAD " and NEVER ,EVER run an engine with the red light on. This means low to nil oil pressure and WILL result in a dead engine and turbo.
    Good luck with your car, let's hope you have caught it just I time.


    Paul B7
     

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