Strange Salt Pattern on Doors
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AudiWorld Member
Joined: Nov 2007
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From: Exeter RI
Strange Salt Pattern on Doors
So I'm in Rhode Island and we had a big snow storm Monday. The roads are a mess and the car got covered in the spray coming off the road from the other cars. I parked in my garage and 20 minutes later had to go out to the car to get something and I noticed that the car was all white from the salt spray except for the 2 doors. The doors were still wet and black and the rest of the car was salt covered white. Its not any spray pattern because I just checked the doors now (several hours later) and they are white also.
Anyone have an idea why the rest of the car would dry quicker than just the doors? I can't imagine that the paint or metal is different on doors than the rest of the car? Sorry, no pictures, but picture a white car with painted black doors. It was that obvious. Thanks.
Anyone have an idea why the rest of the car would dry quicker than just the doors? I can't imagine that the paint or metal is different on doors than the rest of the car? Sorry, no pictures, but picture a white car with painted black doors. It was that obvious. Thanks.
AudiWorld Super User
Joined: Oct 2002
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Some possible answers...
1) Your doors could have residual film or residue on them from the factory protective covering wrap.
2) Different temperatures on different surfaces. For example, hood could dry faster due to engine heat, etc.
3) Has your car been waxed or detailed? Certain panels may repell water and grime more than other non-treated areas.
4) Road spray blasts certain panels of the car harder (behind the wheels), thus washing off waxed areas. These unprotected spots tend to repell water less and remain wet longer after driving.
5) Magic
2) Different temperatures on different surfaces. For example, hood could dry faster due to engine heat, etc.
3) Has your car been waxed or detailed? Certain panels may repell water and grime more than other non-treated areas.
4) Road spray blasts certain panels of the car harder (behind the wheels), thus washing off waxed areas. These unprotected spots tend to repell water less and remain wet longer after driving.
5) Magic
Junior Member
Joined: Mar 2000
Posts: 1,711
Likes: 1
Different temperatures is the most likely cause...
Heat from the engine compartment will dry the fenders quicker than the the doors. The residual heat from the wheels/brake assembly and the exhaust system tends to dry the rear fenders more quickly than the doors. This is very typical.
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