I used the Plasti-Mend also, and it worked great. While doing the repair, I noticed the same crack had been fixed earlier when I got my 3500RL. Would you believe they just put silicone on the crack and called it good. Naturaly it didn't hold because silicone won't stay bonded to the black plastic, it peeled off. Had I known how they fixed it then, I would have called them on it. Just goes to show, you can't trust the dealers service repairs. And of course, they went out of business. Oh, yes, I installed the rubber no-hub couplings that Oz suggested.