Originally Posted by Alex zvh cabrio
Originally Posted by SafeChav
Pumps are the same mate.
If its struggling to idle then i can almost guarantee theres an air leak.
Brake servo's are prime suspects believe it or not

xr3i pump are different to an rs. xr3i only runs 2.5 bar static presurewhen an rst is 5 bar presure

Hmmm
I wasn't sure of this, but theres another thread where someone quoted me the Bosch numbers etc and said they were the same. I'll have to dig the thread out