Chrysler Dodge Caravan 2002 Manual page 1400

RG
PISTON & CONNECTING ROD (Continued)
INSTALLATION
PISTON PIN INSTALLATION
(1) Secure connecting rod in soft jawed vice.
(2) Lubricate piston pin and piston with clean
engine oil.
(3) Position piston on connecting rod (Fig. 54).
CAUTION: Ensure arrow on piston crown and the
bearing cap numbers on the connecting rod are on
the opposite side.
(4) Install piston pin (Fig. 54).
(5) Install clips in piston to retain piston pin (Fig.
54).
Fig. 54 PISTON AND CONNECTING ROD ASSEMBLY
1 - PISTON PIN
2 - PISTON
3 - SNAP RING
4 - CONNECTING ROD ALIGNMENT NUMBERS
5 - CONNECTING ROD BOLT
6 - CONNECTING ROD BEARING
7 - CONNECTING ROD
8 - SNAP RING
(6) Remove connecting rod from vice.
PISTON RINGS - INSTALLATION
(1) Install rings on the pistons using a suitable
ring expander (Fig. 55).
Fig. 55 PISTON RINGS-INSTALLATION
(2) Top compression ring is tapered and chromium
plated. The second ring is of the scraper type and
must be installed with scraping edge facing bottom of
the piston. The third is an oil control ring. Ring gaps
must be positioned, before inserting piston into the
liners, as follows.
(3) Top ring gap must be positioned at the #3 posi-
tion (looking at the piston crown from above) (Fig.
56).
(4) Second piston ring gap should be positioned at
the #1 position (Fig. 56).
(5) Oil control ring gap should be positioned at the
#2 position (Fig. 56).
Fig. 56 PISTON RING GAP LOCATION
3 - TOP COMPRESSION RING GAP POSITION
1 - SECOND COMPRESSION RING GAP POSITION
2 - OIL CONTROL RING GAP POSITION
(6) When assembling pistons check that compo-
nents are installed in the same position as before dis-
ENGINE 9a - 39