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  1. #1
    Are you VXR enough? ashwrx's Avatar
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    Default Contaminated oil

    Have a Astra vxr nurburgring send Turbo to krs.never heard you could get contaminated oil.so had a google search.anyone else had this
    Burg 666 stage 3

  2. #2
    VXR enough Ant21's Avatar
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    Did they say what it was contaminated with? Fuel or water are the only things I can think of that would be down to an engine fault

  3. #3
    Are you VXR enough? ashwrx's Avatar
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    No they never said
    Burg 666 stage 3

  4. #4
    Are you VXR enough? ashwrx's Avatar
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    and how it will kill your turbo.

    All too often we hear of turbo failure of the K04 turbocharger, as used on the Z20LEx engines in Astra G and H, Zafira A and B, VX220 and all too frequently we hear the turbochargers being blamed as poor quality or ‘rubbish’ units, which is not the case.

    In nearly all cases of turbo failure, the source of the problem is not down to the unit itself but usually due to oil contamination and/or incorrect fitting procedure. It is also important to carry out eliminating the initial cause of failure, if it was a failure caused by something other than old age/wear and tear. Additionally allowing oil to get dirty during use and poor or infrequent oil changes using poor quality oil will also contaminate the turbo causing failure.

    The picture gallery below contains images from of a ‘failed turbo’ that was under 10,000 miles old which was dis-assembled and inspected and a report produced. The cause of the bearing failure in the turbo is down to contaminated dirty oil….. you cannot blame the turbo itself for the failure.

    Here is the report, basically detailing how dirty oil has ‘scrapped’ the turbo:
    Burg 666 stage 3

  5. #5
    VXR Nothing comes close IanJ's Avatar
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    Default

    Quote Originally Posted by ashwrx View Post
    and how it will kill your turbo.

    All too often we hear of turbo failure of the K04 turbocharger, as used on the Z20LEx engines in Astra G and H, Zafira A and B, VX220 and all too frequently we hear the turbochargers being blamed as poor quality or ‘rubbish’ units, which is not the case.

    In nearly all cases of turbo failure, the source of the problem is not down to the unit itself but usually due to oil contamination and/or incorrect fitting procedure. It is also important to carry out eliminating the initial cause of failure, if it was a failure caused by something other than old age/wear and tear. Additionally allowing oil to get dirty during use and poor or infrequent oil changes using poor quality oil will also contaminate the turbo causing failure.

    The picture gallery below contains images from of a ‘failed turbo’ that was under 10,000 miles old which was dis-assembled and inspected and a report produced. The cause of the bearing failure in the turbo is down to contaminated dirty oil….. you cannot blame the turbo itself for the failure.

    Here is the report, basically detailing how dirty oil has ‘scrapped’ the turbo:
    Did you keep on top of the oil changes, especially when the new unit was fitted?

    Astra

  6. #6
    VXR enough Ant21's Avatar
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    Quote Originally Posted by IanJ View Post
    Did you keep on top of the oil changes, especially when the new unit was fitted?
    ^ This.

    Ideally a new turbo should be fitted with fresh oil and filter. Also oil should be kept in decent condition. I personally change mine every 3-5k as it’s cheap enough and prolongs engine life.

  7. #7
    Are you VXR enough? ashwrx's Avatar
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    A just bought the car.a seen a drip off oil round by the turbo.so a took Turbo off a sent it away to krs.he phoned and said the oil was contaminated.
    Burg 666 stage 3

  8. #8
    VXRed blooded tye_time's Avatar
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    Sounds like it hasn't been looked after too well to be honest... Was there any service history with the car, receipts for oil + filters, etc?

  9. #9
    Are you VXR enough? ashwrx's Avatar
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    Yeah had fsh.cars only done 72k.a will change the oil a couple off times when the turbo comes back
    Burg 666 stage 3

  10. #10
    VXRed blooded tye_time's Avatar
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    when was it last serviced before you bought it? Would also be good to know what type of 'contamination' was in the oil.

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