Recent content by petrD

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    QPV 4.7S: variators rattle - even after cam caps modification?

    And sorry, I should've followed on this topic with some update: When we dismantled everything, the O rings were not in best condition (check valves, seal rings on camshafts..), as well as chain tensioners. Seems seals could contribute to this issue (their lifetime is not endless..) So...
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    QPV 4.7S: variators rattle - even after cam caps modification?

    When I was looking for this modification, I got some quotes from UK, Germany and that shop in US (TEM). I was told it is not only about the check valve, but mod the oil channels as well...can't say anything here - luckily, I did not need it as my caps were already modified in the past (most...
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    QPV 4.7S: variators rattle - even after cam caps modification?

    Hi Michael, am based in Czech Republic. Unfortunately the support is not so great...I visited official dealer for prepurchase inspection and later fix. New knock sensors were needed (bloody rodent visited the engine bay) - engine cut the rpm at 6.5k, not revving to red line, they even did not...
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    QPV 4.7S: variators rattle - even after cam caps modification?

    Hi To All, another newbie on this forum - Am the happy owner of Mas QPV 4.7S for about half a year (MY2008, now 75k km on the clock). Shortly after I purchased the car (70k km at that time), the engine started to rattle - typical sound of variators...It got worse, even when the outside...