08-01-2011, 08:33 AM
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#1
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Registered User
Join Date: Jun 2006
Location: Canada
Posts: 33
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Black dust on my rear bumper
I need to know if it is normal, each time i drove my boxster S for 50 or 60 miles my rear bumper is cover by a black dust who look like tire dust ??
Someone have got the same experience.
Last edited by Pierre; 08-01-2011 at 03:16 PM.
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08-01-2011, 08:46 AM
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#2
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Porscheectomy
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
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Quote:
Originally Posted by Pierre
I need to know if it is normal, each time i drove my boxster for 50 or 60 miles my rear bumper is cover by a black dust who look like tire dust ??
Someone have got the same experience.
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Near the center of the bumper or along the wheel wells?
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08-01-2011, 08:51 AM
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#3
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Registered User
Join Date: Jun 2006
Location: Canada
Posts: 33
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Along the wheel wells and mstly on the bumper parts under the rear stop lens on both sides my boxster is yellow so it is very appearant i got some of that dust on the lower parts of the bumper center.
Last edited by Pierre; 08-01-2011 at 09:14 AM.
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08-01-2011, 09:24 AM
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#4
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Registered User
Join Date: May 2007
Location: Kingwood, TX
Posts: 445
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happens to me, nice fine dust to wipe off after my ride
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08-01-2011, 09:27 AM
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#5
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Registered User
Join Date: Jul 2004
Location: Houston, Texas
Posts: 7,243
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Probably tire and brake dust as well...
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08-01-2011, 09:49 AM
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#6
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Registered User
Join Date: Nov 2009
Location: Madison, Georgia
Posts: 1,012
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Drives me crazy on my yellow boxster, it is especially bad when there is dew out in the morning. I think it is a combination of road grime kicked up by the rear tires and perhaps a bit of exhaust smoke and brake dust thrown in for good measure. My car can be spotless except for the dirt on the rear bumper. Now I take a damp rag and wipe it off when I see the problem. It does not happen when I drive the car later in the day or when it is dry out.
__________________
2001 Boxster S 3.6L, Zeintop
"Calling upon my years of experience, I froze at the controls." - Stirling Moss
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08-01-2011, 10:50 AM
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#7
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Schatten-Baum-Mechaniker
Join Date: Mar 2005
Location: Mississippi
Posts: 242
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I get the same thing. I collect it, heat to 500 degrees then re-apply it to the tires.
__________________
Tommy
2000 Boxster S
1973 914
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08-01-2011, 11:14 AM
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#8
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Registered User
Join Date: Jul 2004
Location: Houston, Texas
Posts: 7,243
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Tommy, that's some serious green innovation there! Tire recycling. Love it! :dance:
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08-01-2011, 12:02 PM
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#9
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Registered User
Join Date: Jun 2006
Location: Canada
Posts: 33
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I just put 4 new tires under my baby i think they dont last long with all the tire dust on my bumper ;-(
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08-01-2011, 12:45 PM
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#10
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Registered User
Join Date: May 2008
Location: Toronto
Posts: 2,656
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Uh all my brake dust are coming from the front... unless you have cross-drilled rear then that might explain it.
And tire dust? Wow you guys must drive your car pretty hard huh?? lol.
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08-01-2011, 01:13 PM
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#11
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Registered User
Join Date: Nov 2009
Location: Madison, Georgia
Posts: 1,012
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In my experience it has nothing to do with how hard you drive, only whether the rear of the car is wet or not.
The other day I drove around a chicken manure truck that had dropped a bunch of the sawdust/crap mix on the road and it was amazing how the aerodynamics of the body caused a huge swirl of poodust behind the car, it reminded me of a jet taking off on a carrier. It 'splained a lot of why the rear bumper gets dirty when it is moist.
__________________
2001 Boxster S 3.6L, Zeintop
"Calling upon my years of experience, I froze at the controls." - Stirling Moss
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08-02-2011, 09:08 AM
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#12
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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It was worse on my yellow Mustang than my yellow Boxster here in LA air & freeways. Fresh wax helps.
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08-02-2011, 09:18 AM
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#13
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Registered User
Join Date: Dec 2008
Location: California
Posts: 223
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I'll wager it's brake dust from the pads.
Use a rag to wipe the rims and another to wipe the car, the dust will probably be the same color.
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08-02-2011, 10:26 AM
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#14
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Opposed to Subie Burble
Join Date: Mar 2007
Location: Central CT
Posts: 1,197
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Quote:
Originally Posted by landrovered
...poodust...
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Did anyone else laugh as hard as I did at this term?
I have a silver Boxster, and I can't say I've noticed this bumper dust before, but now out of curiosity I'm going to take note if I take the car out on a wet/moist day. I definitely get a LOT of brake dust up front on the wheels, nearly nothing on the rears, and everything is stock. Speaking of which...gonna have to clean those some time this week...
__________________
-O/D
1997 Arctic Silver Boxster, 5-spd
IMSR + RMS
Robbins glass window top
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08-02-2011, 06:00 PM
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#15
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Autobahn Glanz
Join Date: Dec 2010
Location: Charlotte, NC
Posts: 1,282
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I get this also. Car is Guards Red so it doesn't show too bad. Carry a microfiber towel and just keep it clean. It is dust, rubber from other cars on the road, and from your tires. I have checked it after different types of very short and long trips. It is always worse after I drive hard...likely because I'm throwing up more crud from the road and because I'm slinging my on rubber.
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08-03-2011, 09:08 AM
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#16
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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Quote:
Originally Posted by WhipE350
I get this also. Car is Guards Red so it doesn't show too bad. Carry a microfiber towel and just keep it clean. It is dust, rubber from other cars on the road, and from your tires. I have checked it after different types of very short and long trips. It is always worse after I drive hard...likely because I'm throwing up more crud from the road and because I'm slinging my on rubber.
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After a long day at stunt driving school I have rubber dust in my ears & hair.
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08-03-2011, 11:47 AM
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#17
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Registered User
Join Date: Nov 2009
Location: Madison, Georgia
Posts: 1,012
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Lighter colors show more, it is hardly noticeable my wife's dark blue 98 but sticks out like a sore thumb on speed yellow. If you wipe with a cloth on a dark car it will come up dirty.
If it was brake dust I would have had to replace pads, could be tire dust, the life of my last two sets of rears was appalling. I think it is oily exhaust fumes, a bit of road grime, some tire dust, some brake dust and even some poodust on occasion.
__________________
2001 Boxster S 3.6L, Zeintop
"Calling upon my years of experience, I froze at the controls." - Stirling Moss
Last edited by landrovered; 08-03-2011 at 11:49 AM.
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