Man if red rags caused that I am sure there more to the story than wiping something off!
We use microfibers and wypall. Zero issues that we have had, but I’m sure just like anything else there’s a better way!
I’ve got a great story about a shock with somewhat of what you dealt with.
We are stateside service center for JRZ. customer called in. Had his dampers rebuilt somewhere else and wasn’t happy. “Car feels like ***”.
Send them in let’s have a look.
This is YEARS ago and I knew the guy that did the service. Called him up, bro. You’re not gonna believe this. We had a laugh, got them sorted and back to the customer. This is a blue shop paper towel lol.
Hydraulic pressure sure is powerful!