Dodge dakota 2002 Service Manual page 1389

9 - 140 ENGINE - 4.7L
PISTON & CONNECTING ROD (Continued)
• Cylinder head covers (Refer to 9 - ENGINE/
CYLINDER HEAD/CYLINDER HEAD COVER(S) -
INSTALLATION).
• Oil pan and gasket/windage tray. (Refer to 9 -
ENGINE/LUBRICATION/OIL PAN - INSTALLA-
TION).
(11) Fill crankcase with proper engine oil to cor-
rect level.
(12) Connect negative cable to battery.
PISTON RINGS
STANDARD PROCEDURE - PISTON RING
FITTING
Before reinstalling used rings or installing new
rings, the ring clearances must be checked.
(1) Wipe the cylinder bore clean.
(2) Insert the ring in the cylinder bore.
NOTE: The ring gap measurement must be made
with the ring positioned at least 12mm (0.50 inch.)
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.
(4) Using a feeler gauge check the ring end gap
(Fig. 76). Replace any rings not within specification.
Fig. 76 Ring End Gap Measurement - Typical
1 - FEELER GAUGE
PISTON RING SIDE CLEARANCE
NOTE: Make sure the piston ring grooves are clean
and free of nicks and burrs.
(5) Measure the ring side clearance as shown (Fig.
77)make sure the feeler gauge fits snugly between
the ring land and the ring. Replace any ring not
within specification.
Fig. 77 Measuring Piston Ring Side Clearance
1 - FEELER GAUGE
(6) Rotate the ring around the piston, the ring
must rotate in the groove with out binding.
DR