Ford's answers to the NHTSA 6.7 Investigation

NewsW wrote:
Update on the update:

Several manufacturers stepped up to the plate and "voluntarily" extended the warranty on the HPFP to 10 years or 120,00 miles.

BMW, VW to start:

http://www.bimmerfest.com/forums/showthread.php?t=430408

Note BMW called it a EMISSION part --- which is my view all along.


VW issued an extended warranty for a few model years:

http://forums.tdiclub.com/showthread.php?t=308323&page=275



I am sure Ford will soon follow.


http://myfastgti.com/volkswagen/threads/15194-Warranty-Extention-Intake-Camshaft-Camshaft-Follower-amp-High-Pressure-Fuel-Pump



Interesting... comments about Bosch and how much of their correspondence got redacted:

[URL]


Additional bits:

http://forums.tdiclub.com/showpost.php?p=3961352&postcount=4045


Their analysis of the issues.. told 2nd hand here:

Wow. Overall, it does not look good for VW. It looks to me like fuel is implicated in less than half of the supplied narratives and spreadsheets.

Early on, it looks like significant effort went into reducing the number of residual particles left behind from manufacturing.



"For half a year now there has have been no malfunctions ... with the CP4.2 V6-TDI. For the CP4.1 ... there have, however, been some issues"

"The tappet anti-rotation lock is currently a priority again ... still not convinced since, according to Bosch, the tappet rotator is only the end damage of a seizing/blocked roller"

"I came across a presentation from the year 2006, in which a significant cause for tappet turning and drive damage in the CP4 is known: the interaction between roller and roller suppport. For years later, this same fact is being pointed out as the solution to all our problems. What prevented us from implementing this finding earlier?"