A few weeks after putting my new wheels/tires and lift, I noticed what appeared to be a discoloration occurring on one of my wheels. I thought it was potentially a defect. Fast forward to a few months later and a tire rotation, and it is now happening to the wheel that is at the drivers front. Two wheels, same location. I realized it is some sort of oil like residue, but hard to remove. What could it be?? I checked around my C and axle shaft and see no signs at all of diff fluid leaking. Clean as a whistle.

 

Brake dust

 

Could be diff fluid being expelled from the breather line...

 

Definitely not brake dust. Plus, it only happens at the driver front location.

 

I checked the breather. All clean. Any chance it's brake fluid?

 

I would think if it was brake fluid you'd have a soft pedal, but I suppose it wouldn't hurt to check the bleeder valve. Is it possible that your drivers side caliper is braking harder then the others creating more brake dust.... I know thats a stretch but if it's not diff oil, windshield washer fluid, or brake fluid I don't know what else it could be.

 

whats about grease from a BJ?

 

Is this on the inside or outside of tire? Looks to be on the outside ?

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Yes, outside of the wheel and always toward the outer edge.

 

Man that's weird? Does it drip and accumulate more or drips and no more? Does it have a gear oil smell to it? What color is the unknown fluid?

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