My 02 Avalanche 2500 4x4 8.1 has a piston slap and now with almost 90K miles on it (Last 25K with moderate to heavy towing) I gladly report no problems.
It's a great truck, and running strong.
It has a oil consumption concern 1qt every 2500 miles or so.
The oil consumption along with piston slap issues have been there from day one. No worse or better now with the miles on it.
05, 3500HD Dually 4x4, LT, Ext Cab, Edge Juice/Attitude, 54 Gal aftermarket fuel tank, gooseneck hitch, XM, <br /><br />02 2500 Avalanche 4x4, 8.1 Gasser, 6\" lift used as a tow vehical and work truck.<br /><br />01 VW Beetle TDI<br /><br />98 Dodge 2500 Quad Cab, 24V ISB, 4x4, Auto, Bone stock.