Soap blowing back on trucks.

[APW]

I have on board dryers and sometimes soap in the bed of trucks blow back onto the vehicle. Anyone encountered this and is there anything I can do?

 

[I.B. Washincars]

About all you can do is tell them they need to fix their bed so it drains better, or don't buy the wash with dry.

 

[Greg Pack]

I tell them to "shoot through" when they are exiting and reach the bed.

 

[robert roman]

The cause of soap blowing out of truck bed is not dryer or truck bed, its soap bubbles.

Excessive and persistent bubbles (foam) can be caused by soft water, composition of detergent and concentration in solution.

So, harder water or adding de-sudsing agent cause bubbles to “break” faster.

Less bubbles, less blow back.

 

[BBE]

I tell them to "shoot through" when they are exiting and reach the bed.

I see quite a few people do this who know they have debris that will blow out of the back of the truck. It still blows out. I told the last gentleman to actually just use the whole 60 seconds of drying on the cab and windshield of his truck and wait for the blowers to turn off. Then pull completely out. This did the trick.