yeah, the upper tensioner blade on this guys was fine at 150k...but all the rest were coming apart (where as they're perfect on mine still). only way i guess is to set the engine to TDC, whip of the inlet, cam cover, tensioner bolt and upper chain cover. look at the blade, and the other runner you can see. if they're ok, i'd presume the rest are (you're not gonna take the box out just to check) and put it back together (dont' forget to bleed the tensioner bolt down if the piston has come out a bit) and forget about it. heres the links (which were passed to me by vr6pete, so credit to him for