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Engine Mechanical – V6 Page 6A1–213
Piston Inspection Procedure 1 Inspect the pistons for the following conditions: eroded areas at the top of the piston (1), • piston pin retainer grooves for burrs (2), • worn piston pin bores or worn piston pins (3), • scuffed or damaged skirt coating (4), • ring grooves for cracks, nicks or burrs that may • warped or worn ring lands. 2 Replace pistons that show any signs of damage or Figure 6A1 – 384 Piston Measurement 1 Measure piston width using the following procedure: a Using an outside micrometer, measure the b Compare the measurement of the piston to its c Check your measurements with specifications, Specifications. d If the clearance obtained through measurement Figure 6A1 – 385 2 Measure the piston pin bore to piston pin (2) a Piston pin bores and pins must be free of b Use an outside micrometer (1) to measure the Figure 6A1 – 386 |