Former VWDieselParts.com Forum

Ok, I got it. But I'll try to get the pressure with the needle valve first, then tapping the regulator valve... just cuz it's easier and should produce the same affect, I suppose.

Andrew,

Do you mean:

A) Keep the original restrictor "out" bolt installed and use with the needle valve?

Or,

2) Remove the original "out" bolt and use the "big hole" bolt with the needle valve?

Andrew, thanks for the clarification. I re-routed the injector return line to downstream of the needle valve, that makes sense. Unfortunately it didn't solve the low pressure prob. I'll try tapping down the the valve next time. If that doesn't work then I'll have to do that rebuild sooner than I pla...

If the little lines popped off or leaked It'd be kinda obvious and I wouldn't need a Guru

Hey guys, I just checked my internal IP pressure and it stinks! I pulled the restricted "out" bolt and replaced it with a standard banjo bolt with the big holes. I installed a brass in-line needle valve after a pressure guage I Tee'd into the line. At 1000 rpm it's only about 15 psi. When ...

Hager said "---If we recirculate fuel in pump without return to tank or filter --the heat will destroy pump. " I have adapted my '86 Jetta Diesel Turbo to run on pre-heated vegetable oil. The minimum temp is 170* F and I've seen it at 212* F. Is that really bad for the IP? What kind of dam...