it is problably the linkage going down in to the pump there is an o ring had this problem on my 3b with a rotary pump and these pumps are basicly the same. you can do this yourself just pop the top cover of and replace the oring. and if you are worried about the cover gasket give it a good clean...
if someone has pictures or a file of the electrical diagram for the gauge cluster
for an bj73 from 86 with an 3B
need all the numbers and colors of the cables
thx for all the replies i am currently looking for a new hub and i read som threads about putting the 9 mm dowles from the 100 series and
using 12.9 grade M8 bolts. also thinking about putting the bigger dowles and drilling and tapping the holes in the hub to m10 and 12.9 grade
and skipping...
so i am about to rip my hair out beacause o the bolts constantly breaking.
i run 35 inch tires and knkow people who have run 40 inch tires with no problems.
i am wondering if som kind smart person have modifications to make it last
i cannot seem to find a workshop manual on my IP
if anyone have some more info about the pump and maybe where to get parts for it.
all info is appreciated