Hi all,

A friend and I spent the day vainly working on my 98 F-250, 4.6L 4 X 4 brakes today. The front brake rotors are rust welded on beyond belief. We pulled the wheel, took the pads and mountings off, then couldn't get the rotors off. I picked up a Chilton's manual, which was a bit confusing on what was what. My truck is not a super duty, but there are 7 lugs that the rotor mounts on. SD's have eight, and you have to remove the hub, but there is no diagram for one with 7. (F-150's seem to have 5). Do we have to remove the whole hub assembly (three nuts in the back) to remove the rotors? The manual doesn't indicate this, but we beat the heck out of it, and shattered a three claw gear puller trying to remove it, to no avail.

Thanks

 

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Do the job in this order, 1 remove the caliper assembly 2. remove the manual or automatic locking hub 3.Then the hub should come off.
Sounds like you did not remove the locking hub and it is probably holding it on.

Lance

 

this may help alittle better:
Disc —F-250, F-350 4x4 and F-450, F-550

Material Item Specification
Brake Parts Cleaner
PM-4 —

Removal

Remove the disc brake caliper anchor plate. For additional information, refer to Brake Caliper Anchor Plate in this section.
NOTE: Perform this step for F-250 and F-350 4x4 SRW vehicles.

Remove the rotor.

NOTE: Perform this step for DRW vehicles.

NOTE: If excessive force must be used during brake rotor removal, the brake rotors should be checked for lateral runout prior to installation. For additional information, refer to Section 206-00 .

Remove the eight hub extender nuts, the hub plate and the rotor.
Remove the eight hub plate nuts.
Remove the hub plate.
Remove the rotor.

Installation

Position the front disc brake rotor to the wheel hub. Make sure the wheel hub and the front disc brake rotor braking and mounting surfaces are clean.
Use brake parts cleaner to clean the front disc brake rotor.

NOTE: Perform this step for DRW vehicles only.

Install the front wheel hub extender and nuts.

Install the front disc brake caliper anchor plate. For additional information, refer to Brake Caliper Anchor Plate in this section.


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An F250 with 7 stud wheels is also called an F250 Light Duty and later it was changed to an F150 7700. It's basically an F150 with a few bigger parts, 7 stud wheels etc.
It's totally different than a Super Duty.
After you remove the caliper support the rotors should just pull off unless they are very rusted to the hub.
If you snoop around in this forum you'll find lots of posts on the same problem. Quite often you'll end up cutting the rotors off if beating them with a big hammer doesn't work.

 

Hi! I have a 1997 F250LD! I had a hard time getting the hubs off the last time I changed the rotors out! I sprayed them with WD40, Then heated them with my heat gun and tapped them from behind. They eventually came loose. Hope this helps!