LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2009 >> Commander 4WD V8-5.7L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> Piston, Engine
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Piston, Engine

Piston Dimensions And Clearances

Measured at 38.0 mm (1.5 in.) Below Deck 0.031 - 0.058 mm (0.012 - 0.023 in.)

Ring Groove Diameter
Top Groove 90.4 - 90.6 mm (3.56 - 3.57 in.)
Second Groove 88.4 - 88.7 mm (3.48 - 3.49 in.)

Weight 413 grams (14.56 oz)
Piston Length 53.3 mm (2.10 in.)

Ring Groove Width No.1 1.23 - 1.26 mm (0.048 - 0.0496 in.)
Ring Groove Width No.2 1.23 - 1.25 mm (0.048 - 0.0492 in.)
Ring Groove Width No.3 2.03 - 2.05 mm (0.079 - 0.080 in.)

Piston Pin
Clearance in Piston 0.005 - 0.014 mm (0.0001 - 0.0005 in.)