What does the 'PD' stand for in Golf TDi PD130, PD150 etc..?

Virdi · 29 Oct 2007 at 13:08

What does the 'PD' stand for in Golf TDi PD130, PD150 etc..?

Thanks

paradigm · 29 Oct 2007 at 13:12

Pumpe-Deuse

Virdi · 29 Oct 2007 at 13:14

paradigm said:
Pumpe-Deuse

lol - What the Bleeepin hell does that mean??

lordrobs · 29 Oct 2007 at 13:17

PD stands for Pumpe Deuse, basically instead of one main injector pump the engine has a pump on each injector

From some Passat forum.

paradigm · 29 Oct 2007 at 13:17

Basically that its a high pressure Pump Nozzle (english translation).

Virdi · 29 Oct 2007 at 13:18

Thanks

Jez · 29 Oct 2007 at 13:20

Its an alternative technology to the common rail systems found on lots of other cars. Hence vauxhall etc using CDTI (common-rail diesel turbocharged injection)

Dogbreath · 29 Oct 2007 at 16:30

paradigm said:
Basically that its a high pressure Pump Nozzle (english translation).

The 'nozzle' in the literal translation refers to the injectors, and 'pump nozzle' means that there is one injection pump per injector.

DannyW · 29 Oct 2007 at 18:09

pumpe deuse is more relaible then common rail and more economical

[TBR]MadMark · 29 Oct 2007 at 18:16

They also go like **** off a shovel, our 130 is not only quick for the type of car it is it gives around 54miles to the gallon.

blueboy2001 · 29 Oct 2007 at 19:53

DannyW said:
pumpe deuse is more relaible then common rail and more economical

But PD engines require very expensive oil and regular cambelt changes. They are also less mechanically refined than common rail and has reached the limits of the technology.

Swings and roundabouts, but common rail is the future.

Rich · 29 Oct 2007 at 19:58

VW are moving back to CR soon. The 2.0 TDI is gunna be 206bhp :eek:

Demon · 29 Oct 2007 at 19:58

I've seen numerous quotes that either the 2.0TDI VAG engine is now common rail, or just about to go Common Rail..

Not sure if it was for performance/emmisions/performance or cost reasons..

Rich · 29 Oct 2007 at 19:59

blueboy2001 said:
But PD engines require very expensive oil and regular cambelt changes. They are also less mechanically refined than common rail and has reached the limits of the technology.

Swings and roundabouts, but common rail is the future.

Belt change on the Fabia VRS is at 100,000 miles assuming inspections dont spot a problem sooner. Hardly regular i would say....

Simon · 29 Oct 2007 at 20:19

Dogbreath said:
The 'nozzle' in the literal translation refers to the injectors, and 'pump nozzle' means that there is one injection pump per injector.

In reality its simply a cam that pressurises the fuel

hiroofheroes · 29 Oct 2007 at 21:19

pump dusse is less effective than common rail injection but allowed vw to improve on their older diesels without paying the licencing for common rail patents. Now that the technology has hit its limits they're moving over to common rail.

[TBR]MadMark · 29 Oct 2007 at 21:19

blueboy2001 said:
But PD engines require very expensive oil and regular cambelt changes. They are also less mechanically refined than common rail and has reached the limits of the technology.

Swings and roundabouts, but common rail is the future.

They do reqiure special oil but belt changes are (according to our local VW) every 60k.

blueboy2001 · 29 Oct 2007 at 21:44

Exactly. The PSA units used by Peugeot/Citroen/Ford only require belt changes every 150k.

DannyW · 29 Oct 2007 at 21:48

blueboy2001 said:
Exactly. The PSA units used by Peugeot/Citroen/Ford only require belt changes every 150k.

yer but them engines are crap

1.4 tdci/hdi - 150k
1.8 tdci (ford not PSA)- 100k
rest of psa - dont know, dont care.

vag makes the best diesel engine

Baron_Samedi · 29 Oct 2007 at 21:59

The reason that VW expects cambelts to be changed at 60k intervals is that PD engines generate a lot of torque in a "peaky" fashion - hence the need for dual mass flywheels to soak up the momentary excesses.