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7.3L Power Stroke Engine and Drivetrain Discussion of the 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

       
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Old 02-04-2007, 12:59 PM   #1 (permalink)
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rear end noise

Have a noise lick a bad bearing coming from rear end from about 10 mph to 40 mph and then it gets much quieter.
Checked the fluid in rear and was full but greyish blck not black?
Any ideas what noise is?

2000 psd utility body 450 auto, no mods. 200k miles.
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Old 02-04-2007, 03:21 PM   #2 (permalink)
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Re: rear end noise

One thing to check: Remove your rear driveshaft and try to pull on the pinion yoke. If it moves at all either your inner or outer pinion bearings are worn.

Hope this helps.

Jimbo



[ QUOTE ]
Have a noise lick a bad bearing coming from rear end from about 10 mph to 40 mph and then it gets much quieter.
Checked the fluid in rear and was full but greyish blck not black?
Any ideas what noise is?

2000 psd utility body 450 auto, no mods. 200k miles.

[/ QUOTE ]
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2000 F-350 7.3L 4X4 CC PSD LWB DRW, Diesel Innovations BD-4 Chip, BTS rebuilt Transmission, 5" Exhaust, TC Lock switch, Autometer A-Pillar Gauges, Detroit Locker in back,Air-Lift bags, Dual tranny coolers, Wix Prepump F/W separator, Fumoto Valve, Marinco Plug, Zoodad mod, APC billet grille.
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Old 02-04-2007, 03:32 PM   #3 (permalink)
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Re: rear end noise

Thanks, I'll try it.
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  Diesel Forum - The Diesel Stop.com > 1999-2007 Super Duties > 7.3L Power Stroke Engine and Drivetrain



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