Jeep Workshop Manuals
Grand Cherokee 2WD V6-3.7L (2008)
Engine, Cooling and Exhaust > Engine > Cylinder Block Assembly > Piston Ring, Engine > Component Information > Specifications > Page 2519
Piston Ring: Service and Repair
PISTON RING FITTING
Before reinstalling used rings or installing new rings, the ring clearances must be checked.
1. Wipe the cylinder bore clean.
NOTE: The ring gap measurement must be made with the ring positioned at least 12 mm (0.50 in.) from bottom of cylinder bore.
3. Using a piston, to ensure that the ring is squared in the cylinder bore, slide the ring downward into the cylinder.
PISTON RING SIDE CLEARANCE
NOTE: Make sure the piston ring grooves are clean and free of nicks and burrs.
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