[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [New Search]
Jim Adney wrote: > >One of the things that makes an O-ring work is that it will absorb a small >amount of the working fluid and swell up a bit. When working with a strong >solvent like gasoline, over time, solvent action will actually leach out some >of the plasticizers in the O-ring material, so that if the O-ring is allowed to >dry again, it will actually be smaller than when it was new. Letting it sit in >the fluid again will cause it to swell again and this will often be enough to >get it to seal. > >If rust has already formed on the sealing surface in the meantime, this >probably won't work, but my experiences with this have almost always turned out >well. > > > Makes sense to me. The two times I saw this injector leak: Starting the car after it had been sitting 1 year Then, 2 starts And now, pressurizing the system for the first time since the last start. In retrospect, while I was doing this work I should have pulled the injectors first and saved installing the injectors for last, and soaked them all in kerosene in the interim, if I was going to take a month or so to complete this job. The pressure gauge mow reads 0. I'll repressurize the system tonight and see how long it takes to get back to 20+ lbs. Quick question- do I just jumper pins 30 and 87 on the fuel pump relay to get the pump going without doing the whole key trick? >I need to go thru my stash of pumps and rebuild several of them, just to see if >the fix I have works on all of them, and to build up a backlog of known good >reusable pumps. > > > I may want to consider shipping you my pump at some point. The fact that complete pressure is lost a few hours after the vehicle has been stopped is a little inconvenient. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~