torque spec on fuel return banjo bolt on bosch p3000. August 30, 2015 12:33PM
Looking for torque spec on banjo bolt ,fuel return p3000 bosch. Is thread size 14 mil or 9/16 fine.
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Re: torque spec on fuel return banjo bolt on bosch p3000. September 01, 2015 01:24AM
should be 14mm X 1.5, and just tight.Not really a critical item like a rod bolt. So roughly 30 ft lbs.
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Re: torque spec on fuel return banjo bolt on bosch p3000. September 01, 2015 01:43PM
Dang thing keeps loosening up and fallingbout mid track blowing fuel all over
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Re: torque spec on fuel return banjo bolt on bosch p3000. September 01, 2015 03:17PM
Threads are bad on bolt or pump housing.
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Re: torque spec on fuel return banjo bolt on bosch p3000. September 01, 2015 11:54PM
Make sure your using copper or alum seal washers and not the fiber or gasket type washers.
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Re: torque spec on fuel return banjo bolt on bosch p3000. September 02, 2015 05:11AM
The regulator chatters pretty good when by passing a lot of fuel. Vibration maybe shaking it loose??Yes am using copper washers.
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Re: torque spec on fuel return banjo bolt on bosch p3000. September 03, 2015 12:37AM
If your sure about the condition of the treads and as you stated are using copper gasket rings. Take the banjo bolt and drill a hole through the head for a safety wire to pass through. Or if your good with a torch, take a nut, drill a hole through it for a safety wire and braze it onto the top of the banjo bolt and pass a safety wire through it so it cant back out.

However I must say, vibration considered, I've never heard of one constantly backing out because of vibration. So just an easy idea I had to solve the issue. My .02 cents worth...Smiling

red712
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Re: torque spec on fuel return banjo bolt on bosch p3000. September 04, 2015 12:24AM
Sounds to me like he has a big fitting hanging off of it at a 90* angle, so it's constantly trying to loosen from the leverage. Turn it so gravity keeps it tight, instead of loosening it.
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Re: torque spec on fuel return banjo bolt on bosch p3000. September 06, 2015 11:41AM
Thanks for the all the help. Got er fixed. Did away with banjo and worked with gravity in our favor.
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