chasing down the rough idle on my newish to me 09 Tahoe. Is there a way to tell if that TSB for the valve cover has been swapped out? I presume its the drivers side cover since the tsb mentioned cylinders 1&7?
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.