Faulty TURBO ACUATOR blown on Freelander II - anyone else?





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  1. #1
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    Default Faulty TURBO ACUATOR blown on Freelander II - anyone else?

    My FL was towed back to SA from Mozambique this weekend and the diagnosis from the Landrover dealership is an issue with the turbo acuator. Has anyone else had a problem like this after having driven in some beach sand and through very shallow water in their freelander?
    Any specific reason that anyone knows of for this to go on a car with less that 12000 km's on the clock?

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    Hi

    at 12000km it is most likely a warranty related break down. Turbo stepper motors can burn out at higher mileage 50000km+ due to carbon seizure of the VNT actuator mechanism. This can be prevented by using 2sO in 1:200 ratio with every tank.

    Also on FL2, TDV6 and TDV8 do not use 500ppm diesel, only 50ppm (with 2sO).

    The use of 500ppm diesel (without 2sO) can lead to seizure of the VNT mechanism, which in turn will burn out the stepper motor....
    George Bosch
    2003 RangeRover Vogue 3.0 Td6 (Mine) / 2005 LR Disco3 TDV6 S (Swambo's) / 1998 Disco1 Tdi ES (Sold) / And some more serious stuff

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    '98 Defender 90 2.8i aka "saad van die psigopaat"
    Defender - http://www.youtube.com/watch?v=y0YKlc8Cwrs

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    Had my Defender Turbo Actuator Rod replaced and it goes like a bomb now - no more over boosting.

    Regardless, it's under warranty so just smile when you get it back and enjoy the car.
    Andrew

    2010 Mazda BT-50 3.0 CRDi

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    Quote Originally Posted by Andrew5336 View Post
    Had my Defender Turbo Actuator Rod replaced and it goes like a bomb now - no more over boosting.

    Regardless, it's under warranty so just smile when you get it back and enjoy the car.
    it is under warrenty - but am concerned that it was something I did / didn't do that caused it. Anyway - thank goodness for TuffStuff who assisted in getting us and the car home for Landrover to fix!

    "Go beyond", but not beyond RSA in a landrover - they won't help you there

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    Quote Originally Posted by Dawnh100 View Post
    it is under warrenty - but am concerned that it was something I did / didn't do that caused it. Anyway - thank goodness for TuffStuff who assisted in getting us and the car home for Landrover to fix!

    "Go beyond", but not beyond RSA in a landrover - they won't help you there
    Happy that you are all home safely
    I have never seen a wild animal feeling sorry for itself.

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    Quote Originally Posted by SpoegENplak View Post
    This actuator rod seizure is not really a problem in SA except for those whose car is parked unprotected VERY close to the sea.

    We also don't have salt thrown onto our roads in winter to melt the snow and ice.
    George Bosch
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    Quote Originally Posted by hgbosch View Post
    This actuator rod seizure is not really a problem in SA except for those whose car is parked unprotected VERY close to the sea.

    We also don't have salt thrown onto our roads in winter to melt the snow and ice.
    Corrosion can happen anywhere, especially where heat cycles occur like that of the turbo / exhaust manifold and surrounding area.


    Jean

    '98 Defender 90 2.8i aka "saad van die psigopaat"
    Defender - http://www.youtube.com/watch?v=y0YKlc8Cwrs

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    H Jean

    the type of corrosion that leads to seizure of the actuator rod on the VNT turbos overseas, is coupled with a crusty deposit layer of rust and salt which effectively jams the pivot of the actuator rod.

    Hope this helps to understand this issue better.

    I have not yet locally come across a VNT turbo on a TDV6, TD4, TDV8 etc that suffered that jammed pivot. All the ones where the actuator motor burnt out suffered from excessive carbon build up around the actuator ring of the variable vane operation of the exhaust manifold side of the turbo.
    George Bosch
    2003 RangeRover Vogue 3.0 Td6 (Mine) / 2005 LR Disco3 TDV6 S (Swambo's) / 1998 Disco1 Tdi ES (Sold) / And some more serious stuff

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    I hope your FL was a manual as you said it was towed back. If not, I would be very concerned.

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    Quote Originally Posted by Suid-Wes View Post
    I hope your FL was a manual as you said it was towed back. If not, I would be very concerned.
    Well, technically, she was escorted home on a flatbed truck. And is still in hospital! Let's hope that turbo replacement is stellar - it's been in progress for three days

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    Let us know what the outcome is ! Why ??
    2004 Defender TD5
    1992 Defender 3.5V8
    PROJECT OVERHAUL http://4x4community.co.za/forum/show...oject+overhaul


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    Johannes,
    they don't know why. It started with a prediction of bad fuel, then became questions like "did you drive in sand or water" (to which the response is OF COURSE, IT'S a LANDROVER! WHAT ELSE O YOU DO WITH IT IN MOZ?).
    They then had the car for three days worth of testing (compression, other stuff that I don't fully know about) and then came back with it's a diaphram in the actuator (I think) that isn't closing properly. The car only has 12,000km's - so they are replacing whole turbo unit under warrenty. The technician says it's very unusual and they have not had any other problems.

    As for why it's taking three days to fit - well - they are busy Not that I am stressed, have a newer FL as a courtesy car!

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