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Old January 28th, 2008, 08:11   #9
Zehntes Jahr der Veteran
Join Date: Oct 1998
Location: Boise, Idaho
Fuel Economy: Who cares, it's a diesel!

Personally I prefer the resin (they are not plastic) impellers, reason is better flow of coolant.

However I have had/seen issues with the rebuilt pumps from VW.

The brass impeller is a very close 2nd to the resin impeller due to the very smooth casting process resulting in very good pumping quality!

The cast iron impeller is junk, I hate them because they have such a poor cast quality, you can even see rough bits from the casting that no doubt make cavitation in the pump rotor. As for leaking I can't say I have seen one leak but then again most people I see don't bring these kits to my door.

1830 timing belts and failures

Specializing in Injectors for CRI, CR, PD, VE, IDI VW, Audi, MB, SEAT and Skoda Diesel engines.
Offical Importer, Distributor and Installer for Fratelli Bosio, S.R.L. North America
Quotes and Pricing for TDI Injectors
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