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seal up dust-cap...


LilBlueTruck

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Hey guys,

I did the front brakes a week ago on my 2000 2.5L prerunner (4x2) - new rotors, pads, hardware, etc. I cleaned everything up, regreased all the friction points, and put in a new set of Timken wheel-bearings with inner-seals. As I was finishing up, I went to put the dust-cap on that gets pressed into the hub of the rotor and it slid right in. Apparently the bore in the center of the new rotors is a bit larger than the old rotors. A little annoyed, I used a pair of pliers to bend the outer edge of the cap outward so that it would fit tightly. On the other side, the same situation occurred so I did the same thing. As I hammered the cap in, I noticed a little grease squeeze out, indicating to me that this was not a very good seal. I could go and get a new set of caps but fear that the new ones won't fit either. I do not want dirt or water getting inside the rotor, since this will contaminate the grease and destroy the wheel bearings. I was thinking of sealing the lip up with Indian-head shellac or Teflon-tape or plumber's pipe-gunk, but don't know how well this will work since there aren't any threads and the temperature of these brake-parts can get very hot. Any suggestions? Thanks for your time.
 


adsm08

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OEM rotors?
 

Sasquatch_Ryda

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You can put a smear of RTV silicone on em before you pound em in.
 

Earl43P

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Lordy, just go into any Auto Parts store, hit the Dorman HELP section, and buy the size you need, $5 each.
 

LilBlueTruck

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Yes, OEM style rotors... Not sure the RTV sealant will hold up to brake temps and I don't want that stuff melting and getting into the bearing grease. As previously stated, getting a new set of center-caps is another option, but how will that help if they are the same exact size as the ones I have? Probably will fit the same, but for the lousy $5 a pop, it might be worth a try. I use Permatex copper on an exhaust flange on my car to ensure that there are no leaks, so I was thinking that might work here too. Any other suggestions will be appreciated. Thanks.
 

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