Sprinter 312 over fueling

S

sprinter8954

Guest
Hi all
Can anyone give me any instructions as to where the slider is on the fuel pump of the 312 which is supposed to stick causing overfueling when cold etc.
On other threads have read about lubricating this with wd40 but im not sure where it is.
Also i have read on here about a diaphram on the back on the pump. Again can someone advise me how to check or access this.
Any pictures would be usefull.
Does the pump have to be removed to access any or both these items
Cheers
Mark
 
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