DCW Top Brush leaving streaks of dirt.

[Icast42]

Our DCW Top Brush has been inconsistent. It leaves streaks of dirt on cars, we prep the car very well, cover it in bug spray, and still the hoods/roofs have long streaks from it. Any ideas ?

 

[madstack]

Has the wash media been cleaned recently? Insufficient cleaning can leave emulsified buildup that will mark the vehicles up. A couple of years ago, we had a hydraulic leak in the wraps and, in a panic, I cleaned the top brush even though it was nowhere near leak. I did a crappy job and the loosen scum worked it's way to the tips.

 

[robert roman]

Our DCW Top Brush has been inconsistent. It leaves streaks of dirt on cars, we prep the car very well, cover it in bug spray, and still the hoods/roofs have long streaks from it. Any ideas ?

Does inconsistent mean only on some vehicles? What about windshield, rear window and trunk lid? Are they streaked too or just hood and roof?

 

[Earl Weiss]

How / where are you applying cleaning / lubricating fluid to the material? Foaming it on or liquid? Rain Bar or spray?