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post #4 of Old 05-21-2015
Stu Jackson
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Re: Fuel Pump Noise

There's nothing wrong with your pump. In the electrical system, it is designed to run all the time. If you have an M25 engine, the knurled knob can be kept closed. The pump will still run.

Poke around here (and read about bleeding, too)

Engines 101 - The BIGGEST & BEST collection of M25 Series Universal Engine Information on the Internet, plus some M35, too

Diesel Engine - C34

Bleeding 101,6377.0.html

Stu Jackson, Catalina 34, 1986, M25 engine, Rocna 10 (22#), Maple Bay, BC, Canada

Last edited by Stu Jackson; 05-21-2015 at 12:14 AM.
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