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Bus Discussion => Bus Topics ( click here for quick start! ) => Topic started by: wobbleman on May 28, 2021, 08:56:55 AM

Title: Best Fuel pump for an easy bleeder on an 8v71 (GMCP8M4905)
Post by: wobbleman on May 28, 2021, 08:56:55 AM
What's the best Fuel pump for an easy bleeder on an 8v71? (GMCP8M4905)

I've been sitting for too long and have been  having  hell of a time getting it primed.

Also, another bus not has suggested using a garden sprayer plugged into the filter bleed plug.

Any thoughts?

Steve W

Bus in Florida, NY
Title: Re: Best Fuel pump for an easy bleeder on an 8v71 (GMCP8M4905)
Post by: freds on May 28, 2021, 02:10:32 PM
Depends on where your fuel pump is. I have seen people dismount the engine pump and then use a drill to drive the pump to check flow.

What ever you do don't attempt to pressurize the fuel tank LOL!
Title: Re: Best Fuel pump for an easy bleeder on an 8v71 (GMCP8M4905)
Post by: chessie4905 on May 28, 2021, 03:10:21 PM
I bought a 24 volt Airtex inline fuel pump. Draws through primary filter and sends fuel to fuel pump. fuel pump sends it to secondary filter, then to engine. With engine normally running, fuel will flow through inline pump without it running. Just need an on off switch to run it when needed.
Title: Re: Best Fuel pump for an easy bleeder on an 8v71 (GMCP8M4905)
Post by: dtcerrato on May 28, 2021, 04:21:50 PM
I bought a 24 volt Airtex inline fuel pump. Draws through primary filter and sends fuel to fuel pump. fuel pump sends it to secondary filter, then to engine. With engine normally running, fuel will flow through inline pump without it running. Just need an on off switch to run it when needed.

That's how our aux electric fuel pump is set up. It was a whopping $10.50 on Amazon, Chinese of coarse. Been four years issue free. 12VDC
Title: Re: Best Fuel pump for an easy bleeder on an 8v71 (GMCP8M4905)
Post by: wobbleman on May 29, 2021, 05:26:00 AM
Thanks, gang, one way or another I'll get it primed. Today!
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