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'99 F550

Ford 650/750 Medium Duties Technical discussion of the new Ford Super Duty 650 and 750 series trucks with Power Stroke, Cummins, or Caterpillar engines.

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10-22-2008, 11:50 AM	#1 (permalink)
Cylinderhead1 Member Join Date: Apr 2004 Location: Austin, Tx Posts: 46 My Photos: (0) Feedback Score: 0 reviews	'99 F550 I recently purchased this truck. It has a leaking pinion seal. I have access to ALLDATA but it doesn't cover anything below F450. Need to find the torque specs for the pinion nut. __________________ 1994 F350 7.3 E4OD 4.10 gears 215,000 miles, Hypermax Turbo, 3.5" exhaust, Autometer Phantom Pyro Boost Trans temp Gauges, No soup bowl, K&N Filter, Cobra CB 148GTL (150 watt footwarmer) 1982 Mustang GT IHRA Modified ET Pro Bracket Racer 9.76 @ 141 MPH 1999 F550 7.3 6 spd man trans 4.88 gears 127k miles bone stock (for now)

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10-22-2008, 10:05 PM

#2 (permalink)

Parts Jimmy

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Join Date: Jun 2002

Location: North Carolina

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Quote:

Originally Posted by Cylinderhead1

I recently purchased this truck. It has a leaking pinion seal. I have access to ALLDATA but it doesn't cover anything below F450. Need to find the torque specs for the pinion nut.

Dana 135 right? 800 FT LBS. Better check your pinion bearings. Most of the time the worn out bearings cause the seal to fail.

__________________
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