Nice to know honda take an effort to do this, how about other manufacturer, i guess different cars, with difference procedure....but maybe just a proper rubber glove would be enough, similar in F1 marsal used...
Bro aalto, mine also got the same sound at rear of the car, fyi mine honda civic ej...this happen when early morning or when the weather is cold...had change the upper suspension bushing but the sound still there...
Bro, what u saying that clean up the trottle body by using throttle body cleaner ie. cleaner in spray can or by dismantle the throttle body and clean it?