Other features included low-friction bearings for the camshaft and balancer shafts, piston rings that have less pre-tension, a two-stage oil pump with volumetric flow control.
Škoda Volkswagen Essentially, this ubiquitous engine has the same bottom end (cylinder block/crankcase, crankshaft) as the earlier 1.9 R4 TDI which uses a VP37 VerteilerPumpe distributor injection pump.
However, a new cylinder head is fitted to this "PD" engine, to accommodate "Pumpe Düse" Unit Injectors.
TDV denotes that a diesel particulate filter is present on the Audi in question but the vehicle was produced just prior to (or during) the legislation process regarding DPFs.
It is the first four-cylinder 16-valve double overhead camshaft (DOHC) Turbocharged Direct Injection (TDI) engine made by Volkswagen Group.
This is a stroke-reduced version of the 3.0 V6 TDI CR VW EA 897 is a diesel engine series of Volkswagen AG, which was developed by Audi.
[24] This Audi engine is an entirely redeveloped and bored-out evolution of the superseded 4.0 V8 TDI CR, now with 90 mm (3.54 in) cylinder spacing between bore centres, and again with roller chain drive for the overhead camshafts and ancillaries.
[28] The following table contains a selection of current and historical Volkswagen Group compression-ignition diesel engines for comparison of performance and operating characteristics: (435) present