Wheel Bearing Problems - Need Help !!!
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New User
Joined: Mar 2014
Posts: 15
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From: Colorado
Wheel Bearing Problems - Need Help !!!
This may brand me a total beginner but I need help ! My 2005 Excursion is up on jack stands until I can figure this out. I spent hours on the forums but could not find an answer.
I had to replace my front rotors and got Powerstop Rotors, Timken inner and outer bearings and a Timken seal. The rotors come with races pre-installed.
When I reassemble the rotor and bearings I am unable to get the nut tight enough to allow for the cotter pin to go through the hole. The specs call for a preloading torque of 30 ft/lb, loosening, re-torquing at 20 ft/lbs, loosen 1/2 turn and final torque at 17 in/lbs. Following this, the hole is cover by 1/4 by the nut. This is just enough to not allow the cotter pin to go through especially with the castle lock on top.
If I tighten to 50-60 ft/lb I can get enough clearance to insert a smaller cotter pin but the rotor has some resistance (a bit harder to turn),
With the original rotor there was about 2-3 mm between the nut an the hole where the pin goes.
Can anyone help ?
Thanks a bunch !
I had to replace my front rotors and got Powerstop Rotors, Timken inner and outer bearings and a Timken seal. The rotors come with races pre-installed.
When I reassemble the rotor and bearings I am unable to get the nut tight enough to allow for the cotter pin to go through the hole. The specs call for a preloading torque of 30 ft/lb, loosening, re-torquing at 20 ft/lbs, loosen 1/2 turn and final torque at 17 in/lbs. Following this, the hole is cover by 1/4 by the nut. This is just enough to not allow the cotter pin to go through especially with the castle lock on top.
If I tighten to 50-60 ft/lb I can get enough clearance to insert a smaller cotter pin but the rotor has some resistance (a bit harder to turn),
With the original rotor there was about 2-3 mm between the nut an the hole where the pin goes.
Can anyone help ?
Thanks a bunch !
Freshman User
Joined: Oct 2010
Posts: 44
Likes: 0
This may brand me a total beginner but I need help ! My 2005 Excursion is up on jack stands until I can figure this out. I spent hours on the forums but could not find an answer.
I had to replace my front rotors and got Powerstop Rotors, Timken inner and outer bearings and a Timken seal. The rotors come with races pre-installed.
When I reassemble the rotor and bearings I am unable to get the nut tight enough to allow for the cotter pin to go through the hole. The specs call for a preloading torque of 30 ft/lb, loosening, re-torquing at 20 ft/lbs, loosen 1/2 turn and final torque at 17 in/lbs. Following this, the hole is cover by 1/4 by the nut. This is just enough to not allow the cotter pin to go through especially with the castle lock on top.
If I tighten to 50-60 ft/lb I can get enough clearance to insert a smaller cotter pin but the rotor has some resistance (a bit harder to turn),
With the original rotor there was about 2-3 mm between the nut an the hole where the pin goes.
Can anyone help ?
Thanks a bunch !
I had to replace my front rotors and got Powerstop Rotors, Timken inner and outer bearings and a Timken seal. The rotors come with races pre-installed.
When I reassemble the rotor and bearings I am unable to get the nut tight enough to allow for the cotter pin to go through the hole. The specs call for a preloading torque of 30 ft/lb, loosening, re-torquing at 20 ft/lbs, loosen 1/2 turn and final torque at 17 in/lbs. Following this, the hole is cover by 1/4 by the nut. This is just enough to not allow the cotter pin to go through especially with the castle lock on top.
If I tighten to 50-60 ft/lb I can get enough clearance to insert a smaller cotter pin but the rotor has some resistance (a bit harder to turn),
With the original rotor there was about 2-3 mm between the nut an the hole where the pin goes.
Can anyone help ?
Thanks a bunch !
Thread Starter
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New User
Joined: Mar 2014
Posts: 15
Likes: 0
From: Colorado
Problem solved
Thanks fro everybody's help. I ended up measuring the bearings and the rotor and comparing them to specs. Go figure, the rotors were both out of specifications ! Enough to make me think they were boxed wrong. No indications on the rotors themselves as to what model they were.
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