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Cobra vs Thunderbird rear bearings and seals

2K views 12 replies 5 participants last post by  Grog6 
#1 ·
I need to throw new bearings in my 94 hub swapped tbird. Are the bearings and seals the same for a 94 tbird vs the 99 mustang cobra? If someone has a list of Timken parts that would be awesome.

Thanks
David
 
#3 ·
It's Timken "Set49" on RA, Amazon, and others.
 
#11 ·
Roll the wheel as you tighten it; the bolt sets the preload on the bearings.

It'll move a bit if you do it right.

I usually stand on it; that's better than my impact. :grin2:
 
#13 ·
Yeah, usually at that point I have the wheels on; the weight needs to be on them to tighten the suspension bolts, unless you want it jacked up in the rear for a while. :)

If you spin the bearing as you tighten it up, the center of it will fully seat between the hub and nose of the axle.

The axle slides the bearing inner on the hub as you tighten it down, until everything is tight.

If it doesn't tighten up together and take a preload, it will be wasted in 6 months or so. :)

On another note, I hope you checked them for grease; the last few I've gotten have been 50/50, None of the Koyo's had grease.
 
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