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Old 03-14-2010, 12:37 PM   #1 (permalink)
C-Moore502
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How to bleed a fuel system

I tried to prime my fuel system but there is no pressure, how do I bleed the system?

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Old 03-14-2010, 12:39 PM   #2 (permalink)
Diaric
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how are you trying to do it to have no pressure?

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well to make your pump retarded, you could let it hang out with me for a day
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Yeah Diaric, I gotta say, I'm afraid I'm going to have to give you an official warning on that.
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Old 03-14-2010, 12:56 PM   #3 (permalink)
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I usually take the fuel line off as close as I can get to the IP and use a push pull hand pump . I have one for doing oil burners.
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Old 03-14-2010, 01:21 PM   #4 (permalink)
4320Diesel
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i just crank the hell out of the engine, its gotta start someday right?
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1985 GMC (The Brown Streak) Sierra Classic 1500 4WD With 6.2L V8 Diesel and 4speed NP833 trans with hurst shifter! , 4911 6.5 ip with 6.5 shortie injectors GM-3 turbo. Single plane J code intake from Turbonator (thanks guys!). 3" exhaust and 3" BBQ black stacks! Isspro Pyrometer, Trisco Boost and Engine Oil Temp Gauges.
1998 Dodge Ram 2500 Sport club cab short box 4WD 5 speed 12 Valve cummins. Brentbilt fuel plate. 300 horse motorhome injectors, boost elbow, timing bumped to 18* autometer boost and pyro, 500 horse valair clutch waiting to go in!
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your wrong brent, i'll think of a reason later

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brent can't do that, it would look factory, lol

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Brent is right.
Was there any ever doubt?
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Old 03-14-2010, 01:25 PM   #5 (permalink)
C-Moore502
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there is a priming bulb just above the injection pump but when i press it there is no pressure on the bulb, and just cranking it for ever will kill my batteries and those things ain't cheep
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Old 03-14-2010, 01:27 PM   #6 (permalink)
4320Diesel
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yea that was meant as a joke. i wonder why GM didnt have enough sence to use a pump like whats found on tractors or the 12 valve cummins. with that little pumping arm on the lift pump so you can prime the filter and injection pump if something like this happens. might be hard to reach though .....
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1985 GMC (The Brown Streak) Sierra Classic 1500 4WD With 6.2L V8 Diesel and 4speed NP833 trans with hurst shifter! , 4911 6.5 ip with 6.5 shortie injectors GM-3 turbo. Single plane J code intake from Turbonator (thanks guys!). 3" exhaust and 3" BBQ black stacks! Isspro Pyrometer, Trisco Boost and Engine Oil Temp Gauges.
1998 Dodge Ram 2500 Sport club cab short box 4WD 5 speed 12 Valve cummins. Brentbilt fuel plate. 300 horse motorhome injectors, boost elbow, timing bumped to 18* autometer boost and pyro, 500 horse valair clutch waiting to go in!
Quote:
Originally Posted by diaric View Post
your wrong brent, i'll think of a reason later

Quote:
Originally Posted by diaric View Post
brent can't do that, it would look factory, lol

Quote:
Originally Posted by Trios View Post
Brent is right.
Was there any ever doubt?
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Old 03-14-2010, 01:28 PM   #7 (permalink)
Diaric
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this is why i installed an electric pump, i just turn the key till its primed
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1987 6.2l Jimmy , being restored,4" lift, 35 mudders 1993 W350 5.9 , custom stretched cab, duelly flatdeck
2001 VW TDI Jetta 4 door loaded 2001 VW TDI Golf 2 door swapped engine project
Quote:
Originally Posted by 4320diesel View Post
well to make your pump retarded, you could let it hang out with me for a day
Quote:
Originally Posted by Hawkstrong View Post
Diaric wins thread derailment......
Quote:
Originally Posted by High Sierra 2500 View Post
Yeah Diaric, I gotta say, I'm afraid I'm going to have to give you an official warning on that.
6.2 FAQ's AND ANSWERS Click Here
My Restoration Thread Click Here
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Old 03-14-2010, 01:30 PM   #8 (permalink)
4320Diesel
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bah. you guys and your damn electric pumps. lol.
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1985 GMC (The Brown Streak) Sierra Classic 1500 4WD With 6.2L V8 Diesel and 4speed NP833 trans with hurst shifter! , 4911 6.5 ip with 6.5 shortie injectors GM-3 turbo. Single plane J code intake from Turbonator (thanks guys!). 3" exhaust and 3" BBQ black stacks! Isspro Pyrometer, Trisco Boost and Engine Oil Temp Gauges.
1998 Dodge Ram 2500 Sport club cab short box 4WD 5 speed 12 Valve cummins. Brentbilt fuel plate. 300 horse motorhome injectors, boost elbow, timing bumped to 18* autometer boost and pyro, 500 horse valair clutch waiting to go in!
Quote:
Originally Posted by diaric View Post
your wrong brent, i'll think of a reason later

Quote:
Originally Posted by diaric View Post
brent can't do that, it would look factory, lol

Quote:
Originally Posted by Trios View Post
Brent is right.
Was there any ever doubt?
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Old 03-14-2010, 01:32 PM   #9 (permalink)
Diaric
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its easier than the cummins prime lever that you need a stick to use
__________________
1987 6.2l Jimmy , being restored,4" lift, 35 mudders 1993 W350 5.9 , custom stretched cab, duelly flatdeck
2001 VW TDI Jetta 4 door loaded 2001 VW TDI Golf 2 door swapped engine project
Quote:
Originally Posted by 4320diesel View Post
well to make your pump retarded, you could let it hang out with me for a day
Quote:
Originally Posted by Hawkstrong View Post
Diaric wins thread derailment......
Quote:
Originally Posted by High Sierra 2500 View Post
Yeah Diaric, I gotta say, I'm afraid I'm going to have to give you an official warning on that.
6.2 FAQ's AND ANSWERS Click Here
My Restoration Thread Click Here
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Old 03-14-2010, 01:42 PM   #10 (permalink)
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Quote:
Originally Posted by C-Moore502 View Post
there is a priming bulb just above the injection pump but when i press it there is no pressure on the bulb, and just cranking it for ever will kill my batteries and those things ain't cheep
You have a priming bulb? Could you post a pic of that? I've NEVER seen any sort of primer on a 6.2.......

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