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On 13 Apr 2002, at 10:45, nathan howell wrote: > I have finally taken out the injectors to replace the hoses. The number > one injector is yellow and the needle is not protruding like the rest of > the injectors (which are black). Does this mean I need a new one? It's > just kind of squirt a little too. Not a good mist, the rest are not top > notch either but they will do. Is there any way to clean theses things? > Can i soak them in some kind of solution to get gunk out ant to clean > around the needles. It is best if all 4 injectors are the same version. Black ones were used in 68-9 and have the last 3 Bosch digits 001. Yellow ones superceeded the black ones in 70 and have the last 3 digits 007. Both styles originally came with plastic caps over the nozzles which made the needles almost flush with the end. The plastic caps can easily be removed, and this makes the needles stick out. If this is the only difference, I wouldn't worry about it. If you have a metal nozzle with a flush needle, then the needle is actually broken and should probably be replaced. Black ones have not been available new for many, many years. > The fuel leak I was experiencing before was coming from under the plug > at the top seal of the injector, the one that appears to be fused to the > top of it and contains the plug connector. So I know I need a new one > there, but do I need two in order to replace the yellow one? The only fuel leaks that can be fixed are those thru a broken hose. Anything else requires replacement. They should have the Bosch logo and 10 digit part # on them, or they should be replaced. I think Leon found somewhere that could clean them if they are otherwise in good shape, but in general this seems usually to be a waste of time. Leon also found one place that did good rebuilds, everything else was junk. I still have a few new yellow injectors available for $40 each. - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org