Was looking for info on the PD technology. I don't think this is written specifically for the 2004s but hopefully the info is correct. Perhaps those of you in the know out there can confirm
PDF) Techno-economic analysis of an exhaust air heat pump system
Tobias Deuse, MD UCSF Department of Surgery
My Pumpe Duse WVO System Experiment - A Cautionary Tale
Intank Fuel Pump 2001-2007 Harley Davidson Softail Custom / Deluxe / Deuce / Fat Boy / Heritage Classic / Night Train / Springer Classic / Standard /
FPF Fuel Pump for 01-07 Harley Davidson Softail / Deluxe / Fat Boy / Heritage / Night Train / Springer 62897-01 / 62897-01B
VE Bosch, pumpe duse, and common rail fuel injection
VW TDI lifter. Hydraulic lifters convert the shape of the cam into the up and down motion that opens and closes your engines valves. When lifters fail
TDI Pumpe Duse Hydraulic Lifter
1.9 VW TDI with Pumpe Duse
How To Adjust Rough Idle and Camshaft Timing On VW and Audi TDI
Oil Pump 1898777 Caterpillar