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EnglishSustitución de los Turbos GT20V de VW en Español

VW Audi Group GT20V Supercession (July 01, 2002)


The turbos in this range have chaged on quite few occasions. For servicing use the following guide:

  • 454135-0001 changed to 454135-0002 then to 454135-0006. Use 454135-0006 as a Direct Service Replacement. These are all Step I VNT's with 12 vanes and cannot be interchanged with Step II VNT's.

  • 454135-0003 changed to 454135-0005 then to 454135-0008 then to 454135-0010. Use 454135-0010 as a Direct Service Replacement. These are all Step II VNT's with 13 vanes and cannot be interchanged with Step I VNT's.

    Note:

    GT15V and GT17V VNT's have 9 vanes in Step I and 11 vanes in Step II.
    GT20V VNT's have 12 vanes in step I and 13 vanes in Step II.

    TREVOR CASS
    Product Support Engineer
    Allied Signal Turbocharger Aftermarket

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