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Honest John just respnoded with:
Hello James,
This came in from New Zealand.
it is badly translated from the German (Google Translate), but gives an entirely different reason for the failure of your timing chain.
it is an admitted manufacturing fault.
HJ
> Hi,
>
> Wondering if its possible to update your article here:
>
> http://www.telegraph.co.uk/motoring/caradvice/honestjohn/9412266/Probl
> ems-with-VW-Golf-engine-at-64000-miles.html
>
> As VW Germany have admitted to there being an issue with some of the
> TSI engines. Your article notes "I'd say the timing chain problem was
> a consequence of the maintenance regime" yet with the benefit of
> hindsight it seems more likely to me to be a manufacturing fault. Many
> of your readers would be well served to know this. Our local non-VW
> garage has seen a large number of 1.4TSI engine cars in for major work
> due to timing chain wear.
>
> A production error in the chain of suppliers to be the cause of the
> elongated and skipped timing chains at VW TSI engines. This
> declaration gave senior VW engineers when talking to AUTO BILD in
> Wolfsburg. Volkswagen's top-quality cloth Safe Frank stated that the
> chain damage the 1.4 TSI were caused by "to accumulated manufacturing
> tolerances in the timing chain." More precisely: the supplier of the
> chain had his punching tools used across the wear limit, so that they
> no longer accurate enough punched the holes in the link plates and
> tiny burrs on steel remained. "Chips and burrs then ensured for
> abrasive wear entry," said cloth.
>
> Also read: miracle point at TSI engines from VW <***
> src="http://1.1.1.1/bmi/i.auto-bild.de/ir_img/9/8/3/9/8/3/Bietet-VW-bald-mehr-Kulanz-304x202-1f39b6d8e72747b4.jpg"
> alt = "" />
> "We do not have a series problem": Frank Tuch VW <*** id =
> "itxthook0icon" class = "itxtrst itxtrstimg itxthookicon"
> style = "padding-top: 0px important, padding-right: 0px important,
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> 4px important; vertical-align: baseline important; margin:
> 0px important; "! src =
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> (right) explains AUTO BILD CEO Bernd Wieland its position.
>
> Result: the chain wear out. From a series, however, errors could be no
> question, the case numbers were moving in the "low three-digit area" -
> at nearly two million on the streets located 1.4 TSI engines.
> Meanwhile, you've optimized the production at the supplier. Since when
> the chains run flawlessly from the band, did not reveal VW. In
> addition to this manufacturing problem and the driving behavior can be
> crucial: cars that got moved in "Brötchenholerprofil", ie
> predominantly short journeys, are disproportionately affected by
> elongated timing chains. So had many starting procedures or the
> stalling of the engine to a particular burden on the Kette.Welche role
> of the oil in the TSI problem?
>
> Kind regards
> Matt
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