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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

6.4 injector replacement

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Old Aug 2, 2015 | 04:33 PM
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78fordman
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6.4 injector replacement

Is there a write up for injector replacement on a 6.4? I know I need new hp lines and such. I am not finding much information in searches? Thanks
 
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Old Aug 2, 2015 | 07:29 PM
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slowmans
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You try youtube?
 
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Old Aug 2, 2015 | 07:44 PM
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6.4 injector replacement

I did find a video by srmastertech. Torque the injector hold downs to 25 ft lbs. High pressure lines are one time use. Install lines hand tight, then torque to 9 ftlbs, then turn the nut 60 degrees ( one flat ). When you first remove the hp line from the injector catch the fuel in a small plastic container. If you see any metallic debris you have a pump failure on your hands.
 
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Old Aug 2, 2015 | 08:42 PM
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Originally Posted by 78fordman
I did find a video by srmastertech. Torque the injector hold downs to 25 ft lbs. High pressure lines are one time use. Install lines hand tight, then torque to 28 ftlbs, then turn the nut 60 degrees ( one flat ). When you first remove the hp line from the injector catch the fuel in a small plastic container. If you see any metallic debris you have a pump failure on your hands.
Turn it one flat? Do you mean to back it off a flat or tighten it further? Tnx
 
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Old Aug 2, 2015 | 09:00 PM
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6.4 injector replacement

Tighten it further. Probably why these lines are 1 time use. I picture like a tty bolt. The fitting must stretch.
 
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Old Aug 2, 2015 | 09:04 PM
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6.4 injector replacement

I made a correction in my earlier post, the hp lines get pre torqued to 9 ftlbs, not 28.
 
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