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(3) Using a permanent ink marker or scribe tool mark the cylinder number on the side of the rod and (4) Pistons will have a stamping in the approxi- mate location shown in (Fig. 118). These stamps will (5) Pistons and connecting rods must be removed from top of cylinder block. Rotate crankshaft so that (6) Remove connecting rod cap bolts Do not use old bolts if reinstalling connecting rod. (7) To protect crankshaft journal and fractured rod surfaces, install Special Tool 8189, connecting rod CAUTION: Care must be taken not to damage the (8) Remove Special Tool 8189, connecting rod guides and re-install bearing cap on the mating rod. NOTE: Piston and rods are serviced as an assem- PISTON RING—REMOVAL (1) The identification mark on face of upper and intermediate piston rings must point toward piston (2) Using a suitable ring expander, remove upper and intermediate piston rings (Fig. 121). (3) Remove the upper oil ring side rail, lower oil ring side rail and then oil ring expander from piston. (4) Clean ring grooves of any carbon deposits. PISTON RINGS—INSTALLATION (1) Install rings with manufacturers identification mark facing up, to the top of the piston (Fig. 122). CAUTION: Install piston rings in the following order: a. Oil ring expander. the piston ring groove and the expander. Hold end (2) Install upper side rail first and then the lower side rail. Fig. 119 Identify Connecting Rod to Cylinder Fig. 120 Connecting Rod Guides—Typical 1 – SPECIAL TOOL 8189 CONNECTING ROD GUIDES Fig. 121 Piston Rings—Removing and Installing JX 2.0L SOHC ENGINE 9 - 57 REMOVAL AND INSTALLATION (Continued) |