SPECIFICATIONS 49 W2005481 Bolt Head Punch Marks CAUTION Bolts for the following components may be reused four times only. The heads of these bolts must be marked with a punch (A) after each use. When re-using bolts, the bolt head and threads must be lubricated with clean engine oil.Do not lubricate new bolts as they are already lubricated. CYLINDER HEAD BOLTS CAMSHAFT and ROCKER SHAFT BOLTS FLYWHEEL BOLTS MAIN BEARING BOLTS CONNECTING ROD BOLTS CAUTION Do not re-use timing gear mounting plate bolts.Do not re-use timing gear mounting bolts.Do not re-use piston spray nozzle bolts