Hey Everybody,
I`m getting ready to replace my main fuel pump. Seems like a straightforward job. The main issue is safety. Working with gasoline present is a little intimidating. I`m aware of the `depressurization procedure`.I just need a little of assurance that the gas doesn`t keep running whilst I replace the pump and filter.
Testing diagnoses suggested by the members here have been invaluable to someone not very familiar with electronics but generally easy to do.
I`ve posted a couple of times earlier this month about the latest adventures of 240 ownership (I still love her!).
There are some lousy grounding and wiring in this car as we all know, but I`m thinking main fuel pump. She quit while driving home from work.
The car has a healthy spark. I checked the timing belt-Crankshaft pulley mark on 0TDC, camshaft pulley mark matches cover mark, rotor points to no. 1 cylinder. Jumped #4 to #6 fuses. I can hear the in tank pump whirr. Its very faint, you can barely hear it. The relay clicks when the key is turned on and off a few times. Removed relay and jumped #30 and #87/2 in relay plug. Again heard the in tank pump but with the key off if this makes any difference. I don`t hear anything by just turning the ignition switch.
I bought a new Bosch pump (#69593 and filter#71039)from the auto parts place I work at-$102/all.
Any tips/opinions welcome. Hope to do the job this weekend.
Jim S. `86 245 ...want my baby back!
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