[Vwdiesel] Bad experience on TDI clubbrian gochnauer brian at gochnauer.netSat Apr 4 12:39:05 PDT 2009
btw, The BEW valve cover is supposedly NOT reuseable and costs $80-110+ because of on integrated seal. personally, I might make an effort to reuse. On 4/4/09, brian gochnauer <brian at gochnauer.net> wrote: > > Good info ( i have a '04) > Noticed that is seems VW narrowed the lobes (width) on the camshaft to get > the 'extra' PD lobe on the cam, > raising the pressure all the lobes have to endure. > Of coarse, even BMW has had issues with the camshafts, > back in the late '80s that didn't get 'hardened' correctly > causing soft lobes to eat lifters in 30k miles. > > On 4/4/09, dieseltdi at verizon.net <dieseltdi at verizon.net> wrote: >> >> >> Since so many have asked: >> There "appears" to be a problem with the PD (unit injector) TDI made >> from 04-07. Some, and no one can seem to quantify how many, of these >> engines are suffering from premature failure of the cam, cam bearings, >> and lifters. Actually only about 1/2 of them go bad but that is a >> different story. The cause may be: poor quality of the metal in the >> cam (manufacturing flaw), asymmetrical pressure on the cam and lifters >> due to the lobes on the cam that fire the injectors (design flaw), or >> possibly use of the improper oil by the owner or even by VW >> dealerships (stupidity flaw) (VW recommends oil that meets a 505.01 >> standard and you won't believe the arguments over this!), Now, I >> personally have no problems yet but when I get time I do intend to >> pull the valve cover and have a look see. But, to save time, I have >> listed below the 3 questions I asked on the TDI Club forum and the >> answer I finally got. The answers are in the form of posts on the >> forum so simply click on them to find out. BTW I think we got two >> different posts mixed up, I don't find my Jetta "gutless and low >> powered, just the opposite, especially since it is chipped to produce >> 125 hp. Hayden >> >> >> 1) What symptoms are exhibited by a PD engine, during normal >> operation, that would lead one to believe that the excessive wear >> problem has occurred? >> http://forums.tdiclub.com/showpost.php?p=2414784&postcount=72 >> >> 2) If I remove the valve cover, what can I expect to see if the >> excessive cam wear has occurred? >> http://forums.tdiclub.com/showpost.php?p=2313139&postcount=1 >> >> 3) What parts are necessary for repair and who can supply those parts? >> http://forums.tdiclub.com/showpost.php?p=1998933&postcount=2 >> >> >> Hope this may help. >> >> >> " Those who are willing to sacrifice Liberty for Security, deserve >> neither Liberty nor Security." Ben Franklin >> >> >> Visit my website at: http://mysite.verizon.net/resosxp8/mydieselpages/ >> Proud owner of: >> 2007 Jeep Grand Cherokee CRD, K&N Filter >> 2004 Jetta GL PD TDI, Inmotion Tuning Stage 1 Tuning, K&N Filter, >> ScanGauge II >> 1968 Beetle, my latest project, watch for details >> And many, many, many VWs; from a 1946 Beetle (13 Beetles total), to >> Vans (5 - 3 splitties, 2 bay window (both were campers), 1 Vanagon >> Westy, Rabbits (3), Karmen Ghia (1), Jettas (7), Passats (2), Dasher >> (1), New Beetle (1), and Rabbit Pickups (3) most now gone but not >> forgotten. >> >> >> >> >> >> >> >> >> _______________________________________________ >> Vwdiesel mailing list >> Vwdiesel at vwfans.com >> http://www.audifans.com/mailman/listinfo/vwdiesel >> > >
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