RDX AWD L4-2.3L Turbo (2010)
Piston: Testing and Inspection
Block and Piston Inspection
1. Remove the pistons from the engine block See: Crankshaft/Service and Repair/Crankshaft and Piston Removal.
2. Check the piston for distortion or cracks.
3. Measure the piston skirt diameter (A) at a point 10 mm (0.39 in) from the bottom of the skirt. There are two standard-size pistons (/ (slash) and B).
The letter is stamped on the top of the piston. Letters are also stamped on the engine block as cylinder bore sizes.
4. Measure the wear and taper in direction X and Y at three levels in each cylinder as shown. If the measurements in any cylinder are beyond the
oversize bore service limit, replace the engine block. If the engine block has to be rebored, refer to step 7 after reboring.
