Crankshaft and bearings, oil pump, internal timing gears, timing chain, camshaft, camshaft bearings, valve lifters, rocker arm assemblies and push rods, pistons and rings, wrist pins, cylinders, connecting rods, distributor drive gear, all internal components of engine block and cylinder heads, if damage is caused by mechanical failure of an internally lubricated part.
Gaskets and external seals will be covered if their replacement is necessary to complete an otherwise authorized repair. Cracked engine block, cylinder heads, and piston cylinders are not covered. Broken crankshaft is covered if break is caused by either bearings or piston failure. Valve guides are covered only when guide sleeves have not slipped below original Position.
Recommended service every 3,000-5,000 miles.