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Originally Posted by calebm12
I am not sure which part is the "hub"...so i probably didnt clean in. Sorry for the ignorance. is this the part of the rotor that sticks out some and is fitted onto the lug.
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The lugs screw onto the studs, and the studs are mounted on the hub. Specifically, it's the flat surface that the back of the rotor is pressed against when it is mounted and the lug nuts are torqued down. When you removed the old rotors, was this surface rusty? Was it difficult to remove the rotors from the hub even after the calipers were removed?
Quote:
Originally Posted by calebm12
I tightened the lug nuts via a tourque wrench to 83....specified in the book. I am wondering if when i brought it down from the jack and it was not yet at 83 if it could have warped.
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Unless the lug nuts were loose enough to rattle when you lowered your truck, this is unlikely.
Quote:
Originally Posted by calebm12
I thought i read somewhere that it is extemely difficult to warp a rotor.
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Unfortunately it is very easy to warp a rotor on our trucks, especially from overtorqing the lug nuts.
Quote:
Originally Posted by calebm12
I switched the front pads and rotors cause the pads were worn and when i went to get the rotors resurfaced they didnt have the adapter to do so....so i just bought new ones.
Like i said the vibration doesnt occur at low speeds just high speeds. It is a vibration into the wheel, and is noticable but not really truck shaking so to speak. if that makes sense.
i have yet to tackle the rear brakes cause they scare the you know what out of me. but i think we can rule this out as the problem....though they definitly need attention.
what steps shoudl i take to get to the bottom of this. I leave for a 2 1/2 highway trip on friday so am thinking of driving as is for that....is this not safe?...and see how they are when i get back.
otherwise i got some time this week if you got some problem solving ideas.
thanks a bunch. i love this place.
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It sounds like you should be OK for the trip since your symptoms (vibration) don't sound severe. What I would recommend is that you take your truck to a brake shop and have them put a dail gauge to your rotors to see if they are out of round. This should be done with the wheels removed but with the rotors still on the vehicle. This will absolutely confirm or eliminate the rotors as the cause of the shaking. If they do measure as being out of tolerance, then either your rotors were defective or the hubs are really rusty causing the rotors to not fit straight on the hub. You can actually do this measurement yourself if you have a a dial gauge and know how to do this.
That's all I can think of for now.
Let us know what you find.
Paul