Oil Can and/or Pop Noise from Roof Area During Car Wash
#23-NA-209: Oil Can and/or Pop Noise from Roof Area During Car Wash.
Some third-generation Chevy Colorado owners are experiencing roof flexing issues, particularly in automatic carwashes. The issue arises from the force of the industrial air dryer at the end of the carwash, which can cause a loud pop sound in the roof. A dealership Service Bulletin was issued last year in an effort to fix the pickup roofs, but now, GM has seemingly come up with an even better solution.
