Head scratching wheel scrape - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 9 (permalink) Old 10-09-2019, 09:32 PM Thread Starter
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Head scratching wheel scrape

I recently (within the last 6 weeks) just stripped the entire dana 50 TTB Off my truck and basically “restored” it, repainting everything, new soft parts the whole 9 yards. Every ball joint, bearing, rubber piece, seal and U joint got replaced with brand new parts from hub to hub. When I reassembled it, I got about three weeks before having the driver side wheel bearing get so loose i could move the hub by hand with the wheel off. During this time I had a wheel scraping sound at all times that went away with the brakes being engaged. I thought it had to be due to the bearing being shot. The brake caliper is rubbing my wheels.

I redid the bearings on both wheels at this point (2 weeks ago) and torqued the hell out of the second spindle nut to ensure it stays tight.

Since then I still have had this scraping noise when going forward, today specifically it gets worse when turning left and goes away when turning right or hitting the brakes slightly BUT Tomorow it might act differently!!!

It’s the caliper hitting the wheel I can see the wear marks, however I have no idea how this is happening. The bearings are tight, the spindle bolts are tight to the knuckle. I’m at a loss here for ideas.

Hoping its just me looking in the wrong places maybe someone here can shed some light on me.


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post #2 of 9 (permalink) Old 10-09-2019, 09:52 PM
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Re: Head scratching wheel scrape

what year truck?

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post #3 of 9 (permalink) Old 10-09-2019, 11:20 PM Thread Starter
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Re: Head scratching wheel scrape

Quote:
Originally Posted by tjctransport View Post
what year truck?


1997 F250 7.3 Diesel 4x4 5 speed


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post #4 of 9 (permalink) Old 10-10-2019, 04:46 AM
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Re: Head scratching wheel scrape

Where is it rubbing the wheels? Any pics?

Both wheels or just the left?

Any chance one of the little rubber caliper retainers jumped out?

Did you change caliper brackets?

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post #5 of 9 (permalink) Old 10-10-2019, 11:17 AM
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Re: Head scratching wheel scrape

my thought too Blue. but since it is a 97 it has bolt on calipers and not the wedge style.

maybe one of the backing plates is loose and rubbing?
or it has the wrong caliper brackets and rotors on it putting them too close to the wheel. i know there are two size brackets and rotors, one is about 1/2 or 3/4 inch larger than the other.

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post #6 of 9 (permalink) Old 10-10-2019, 11:27 AM
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Re: Head scratching wheel scrape

Ah, I thought there were both in 97. Bolt on and drive in. My bad!

I'll rephrase it......did a caliper bolt break or fall out?

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post #7 of 9 (permalink) Old 10-10-2019, 11:46 PM Thread Starter
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Head scratching wheel scrape

Nothing looks out of place or broken, The caliper bracket might have made sense, except it was making this noise after I originally redid the front end and I had the original calipers and brackets on it at that time because Rock Auto sent me the wrong new ones. With the new caliper and brackets its still doing this.

This is the pattern that the slight scrape leaves on both rims inner edges. Its just barely touching. IMG_7867.jpg[IMG]
https://uploads.tapatalk-cdn.com/20191010/0d21edd3883e876d6b2bb613d5df44f2.jpg[/IMG]

And one photo of how close the calipers are at ride height. Wild it was built this way!


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post #8 of 9 (permalink) Old 10-11-2019, 12:03 AM
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Re: Head scratching wheel scrape

How loose is the caliper on the slide bolts? Can you stick a bar between the caliper and bracket and make it rub?

Second, the bolts that hold the caliper to the knuckle, can you loosen them and hold the caliper away from the wheel with a bar as you tighten them?



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post #9 of 9 (permalink) Old 10-11-2019, 03:14 AM
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Re: Head scratching wheel scrape

Might be kind of a dumb questions, but is the caliper okay, and maybe the wheel is slightly bent or out of round? If it rubs in the same spot every time, i might suspect a bent wheel. Both my rear wheels are bent and I didn't even know it...


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