LB7 Fuel Junction Block need help ASAP!! - Diesel Bombers
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I've got a 02 LB7 and me and a buddy are replacing the CP3 pump and noticed that the fuel junction block had some rust/pitting inside the part with the plunger and spring. We were told it needed to be replaced and just wanted to ... JOIN NOW TO REMOVE TRACER

LB7 Fuel Junction Block need help ASAP!!

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Old 03-15-2013, 09:15 AM
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Default LB7 Fuel Junction Block need help ASAP!!

I've got a 02 LB7 and me and a buddy are replacing the CP3 pump and noticed that the fuel junction block had some rust/pitting inside the part with the plunger and spring. We were told it needed to be replaced and just wanted to make sure before we dropped the $1100 they wanted for it. Any help would be appreciated!!
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Old 03-15-2013, 09:27 AM
tiremann9669's Avatar
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Don't know anything about it but I sure wouldn't go on the advice of the guy sellin the parts

tiremann9669's Sig: 96 12 valve Club Cab 4X4, K&N Intake,4'' Straight Pipe, 285/75R16 Bridgestone Revo's,on 16X8 American Racing Black steelies, Firestone ride rite airbags Future Bombs Guages, Aftermarket lift pump, Fuel plate, Injectors,etc,etc,etc Oh Yea I'm sure a clutch will come into the picture sometime too
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Old 03-15-2013, 09:35 AM
MillerBoyzDiesel's Avatar
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you talking about the block that has the fuel pressure relief valve andfuel pressure sensor in it?
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Old 03-15-2013, 11:24 AM
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Yessiirr. Its got the alan head plug inside one end that screws out and it's got a spring and plunger with two holes in the end of it that seats inside the valve or whatever it is. It had a bunch of trash in it and a little rust. Didn't know what purpose it served or if I needed to completely replace the entire block and regulator. Was going to get a new press reg either way. Just never heard of anyone replacing it before and it costs more than the damn CP3 pump. Thanks man
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