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In addition, if they have been sitting for 10+ years with fuel in them, be very careful not to trash your injection pump. If the IP is gummed up and you crank the motor over you will damage an Ambac M-50 pump and you will turn a Bosch PSU pump into scrap metal. There is a procedure to check and...

It sounds like you plan to take the Aux. fuel pump and remove the solenoid and use it in place of the primary pumps? If so, that will be fine. The 2 primaries are for redundancy, you only need 1 to make the machine run. I often tell people to unplug one of their primary pumps to "save it for...

Ah, you guys were typing faster than me! You got 2 replies in before I could type 1. Sounds like your check balls are not working correctly as well as clogged strainer. Clean everything up and reassemble and test, you should be fine. I have never seen a video, but they are so simple to take...

I wouldn't worry about buying parts for the original pump. If you disassemble it and clean everything including the 2 check balls, plunger and strainer, etc. and it still doesn't work there is nothing else you can "replace". At that point your best bet is just purchase either an Airtex 24V pump...

When you cap the ports, make sure you remove the brass plugs from your old pump and put them into the ports of the new pump, don't just use the caps, that won't work. The cap doesn't do the sealing, it simply forces the tapered brass plugs into the holes to seal them off.