Timing chain tensioner failure... not massively common yet (seen 12 through research on golf mk 6 forum and couple of others, but is known defect and has a tsb)
Complete engine failure, 6k Bill for new engine of my fr tsi 59 plate, 33k miles.
basically tensioner pin releases/snaps from force of starter motor and let's the chain slip at start up so cams out of line, clink,clink,chat,chat bent valves, piston damage = New engine. May get some dealer contribution if you complain enough (so far 30%) if in warranty then should be sorted. Can happen at any mileage (some 10k,some50k) on all 2008-2013 2.0tsi in any vw,seat,Audi.
Copied from
http://www.golfmk6.com/forums/showthread.php?t=47128&page=9
Service Bulletin No.: TB-15-12-01
Component(s): ENGINE NHTSA ID Number: 10045560All Products Associated with this Service Bulletin
Vehicle MakeModelModel Year(s)VOLKSWAGENBEETLE2008-2010,2012VOLKSWAGENCC2009-2013VOLKSWAGENEOS2008-2012VOLKSWAGENGOLF2008-2012VOLKSWAGENGTI2008-2012VOLKSWAGENJETTA2008-2012VOLKSWAGENPASSAT2008-2012VOLKSWAGENR322008-2011VOLKSWAGENRABBIT2008-2010VOLKSWAGENROUTAN2009-2012VOLKSWAGENTIGUAN2008-2012VOLKSWAGENTOUAREG2008-2013VOLKSWAGENTOUAREG HYBRID2011
Details
0 Associated Documents Manufacturer: Volkswagen of America, Inc.SUMMARY:
VOLKSWAGEN: ALL MODELS EXPERIENCE THE TIMING CHAIN SLIPPING, RATTLING NOISES OF THE ENGINE AFTER STARTING, AND ENGINE FAILS TO START. 2008-13 ALL MODELS. *PE