NoPistons -Mazda Rx7 & Rx8 Rotary Forum
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NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)
-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   Seperated Front Hub And Rotors (https://www.nopistons.com/2nd-generation-specific-17/seperated-front-hub-rotors-20179/)

Cheers! 07-03-2003 07:41 PM
Finally got the rotors off the hub, i don't think the rotors have ever been changed.



I had to goto a machine shop and they put a 12 ton hydraulic press on it.



It came off... but the aluminum of hte hub has bonded to the rotor disc since iron will eat alway from the aluminum...



the hub edge is no longer smooth and part of it is attached to the rotor still through electrolysis.



Has this ever happened to anyone before?



should i still use my old hubs... i don't think it will affect anything too much... suggestions and ideas welcomed.

pengaru 07-03-2003 07:51 PM
mine were corroded a bit but I was able to seperate it, I guess wether or not you can reuse the hub depends on how bad the corrosion is... got any pics or anything?

Cheers! 07-03-2003 08:13 PM
no pic... idon't own a digital camera... sigh i know...



but what i'm worried about is if the rotor will sit centre on the hub still... but the centre of the hub where the wheel bearings are... are prefectly flat...

pengaru 07-03-2003 08:19 PM
Originally Posted by Cheers!' date='Jul 4 2003, 01:13 AM
no pic... idon't own a digital camera... sigh i know...



but what i'm worried about is if the rotor will sit centre on the hub still... but the centre of the hub where the wheel bearings are... are prefectly flat...
the outer periphery of the hub is not what centers the rotor and consequently the wheel, it's a combination of the studs and the inner raised lip on the hub centering the rotor, and the tapered seats of the lugs also centering on the wheel relative to the studs... as long as the hub <-> rotor mating surface is true, it should be fine. Although, if theres significant material missing from the periphery, and it's inconsistent, it could effect the balance...

Cheers&#33; 07-03-2003 08:23 PM
the amount of material missing from the hub i would say is eqivalent to the droplets of water. on a waxed hood.



the edge of the hub is very rough as most of the edge was oxidized away by the iron.



the suface of the hubs look true.

pengaru 07-03-2003 08:53 PM
Originally Posted by Cheers!' date='Jul 4 2003, 01:23 AM
the amount of material missing from the hub i would say is eqivalent to the droplets of water. on a waxed hood.



the edge of the hub is very rough as most of the edge was oxidized away by the iron.



the suface of the hubs look true.
it's probably fine then, sounds very similar to what I experienced.

Cheers&#33; 07-03-2003 09:16 PM
took a wire brush and my drill to it... it looks good now...



damn i was worried for a moment. I love it when i take apart some part of my car and then think... hrm... this doens't look right... oh ****.



then i panic and call around and people reassure me

haha

Jims5543 07-03-2003 09:24 PM
When you re assemble it use some anti-sieze. So it does not happen again.

Cheers&#33; 07-03-2003 10:16 PM
yup... i coated the **** out the hub with anti seize... good thing i bought the extra large size bottle of that stuff

=)

vosko 07-04-2003 12:17 PM
mine did the same freaking! what a pain in the ass. turbovr6 helped me with that hell. he had to goto the shop heat it up and use a giant press. its RIDICULOUS. anyway we reused mine


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