Operation CHARM: Car repair manuals for everyone.

Specifications, Mechanical






Specifications, mechanical

Classification of main bearings
The marking is stamped in the engine block and crankshaft. The classification marking is in the engine block above the oil cooler and crankshaft. The classification shall be read from the digit 1 to 7.
The first letter after the digit 1 is the classification of main bearing 1. The bearing positions are numbered starting at the engine's leading edge.






Cylinder block










Pistons














Piston Rings






Crankshaft














Connecting Rods