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2008- 2010 General Questions General questions related to 2008-Up Super Duty trucks. If it doesn't fit the other categories, post it here. Gas engine discussion that pertains to all models is allowed. Specific gas engine questions should use the Gas Engines forum.

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Old 04-21-2008, 07:26 PM   #1 (permalink)
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Lug nut torque

Hey everyone,

Just wondering if anyone has rotated their tires at home instead of taking it in to the dealer. If so, what torque are you using for your lug nuts. The online service manual calls for 165 lbs.-ft for F-250/350 with 8 lugs. The owners manual calls for 150 lbs.-ft. Any suggestions? My torque wrench only goes to 150, so that is what they are torqued to now.
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Old 04-21-2008, 07:34 PM   #2 (permalink)
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Did you balance the tires when you rotated them? Unless you have access to or own a balancer (preferably a spin balancer) you are doing yourself a disservice by rotating them yourself. The reason for rotating/balancing is to get even wear and maintain the "balance" of each tire. It will change as the tire wears.
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Old 04-21-2008, 08:45 PM   #3 (permalink)
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165 lb/ft is for when loaded for bear. 155 lb/ft is when unloaded or lightly loaded. Or if you're like me and constantly load and unload, then just set them at 165 lb/ft and forget about it.
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Old 04-21-2008, 09:54 PM   #4 (permalink)
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Go for 165 lb-ft as Smokey has suggested. The '08 workshop manual specifications list 165 lb-ft as correct for 8-lug (F-250/350) and 10-lug (F-450/550)...
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Old 04-21-2008, 10:15 PM   #5 (permalink)
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Why would the owners manual say 150ft, and the shop manual say 165 ft?

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Old 04-21-2008, 10:30 PM   #6 (permalink)
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Quote:
Originally Posted by Bucktail View Post
Why would the owners manual say 150ft, and the shop manual say 165 ft?

Bucktail
I can not say I have a good answer for that one. But I would tend to trust the Ford workshop manual and Smokey over the owners manual. I have seen other errors in the owners manual and diesel supplement. I do not know if it still does or not, but the '08 diesel supplement used to list FD-4604 as the correct fuel filters for the 6.4L when it actually takes FD-4609...
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Old 12-22-2008, 04:20 PM   #7 (permalink)
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My owner's manual ('03 F250 CC, SB) says 150 - 165 ft-lbs. Guess it covers all situations. I wondered if there was any difference between steel and aluminum wheels, but haven't found any source that says there is a difference.

I pulled my front wheels this weekend to replace brake pads, and the lug nuts were all just snug on both wheels. I'm wondering if the tech didn't use 150 inch-lbs the last time the tires were rotated. Now I need to go out and check the rear wheels.
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Old 12-22-2008, 04:45 PM   #8 (permalink)
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Quote:
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Why would the owners manual say 150ft, and the shop manual say 165 ft?

Bucktail
Check the outer edge of the lugnut. I've seen alot of them rated for a maximum torque of 150 ft lbs. The difference of the 15 lbs isn't much.
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Old 12-22-2008, 07:05 PM   #9 (permalink)
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The Owner's Guide for 1999 thru 2002 SuperDuty trucks said 145 lb-ft torque on the lugnuts. That was wrong and Ford corrected it with:

Quote:
Special Field Action 02L11

Certain 1999 through 2002 Model Year F-Super Duty Vehicles, 1999 through 2002 F-53 Stripped Chassis Vehicles and 2000 through 2003 Excursion Vehicles - Wheel Lug Nut Torque Specification and Procedure Label


--------------------------------------------------------------------------------

Technical Information

WHEEL LUG NUT TORQUE — UPDATE OF OWNER INFORMATION MATERIAL

AFFECTED VEHICLES:
CERTAIN 1999-2002 MODEL YEAR F-SUPER DUTY AND F-53 STRIPPED CHASSIS, AND CERTAIN 2000-2003 MODEL YEAR EXCURSION


This program is comprised of two elements:

Installing a label onto the inside front cover of the vehicle Owner Guide. This new label provides updated lug nut torque specifications and installation procedures (applies to all affected vehicles).

Replacing the jacking instruction card (applies to F-250-350 Super Duty and 2000 model year Excursion only).


(deletia)
I received the label for the Owner's guide and the heavy-paper jacking instruction sheet direct from Ford. That glued-in label in the front of my Owner's Guide says 150-165 Lb-ft. It doesn't mention loaded or unloaded. But the workshop manual shows 155 lb-ft normal and 165 lb-ft for loaded vehicles. I just use 165 lb-ft all the time since I never know when I might be loaded.
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Last edited by SmokeyWren; 12-22-2008 at 07:08 PM.
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