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(5) Position piston ring end gaps as shown in (Fig. 13). (6) Position oil ring expander gap at least 45° from the side rail gaps but not on the piston pin center or on INSTALLING PISTON AND CONNECTING ROD AS- (1) Before installing pistons and connecting rod as- semblies into the bore, besure that compression ring (2) Before installing the ring compressor, make sure the oil ring expander ends are butted and the rail gaps (3) Immerse the piston head and rings in clean engine oil, slide the ring compressor, over the piston (4) Install connecting rod bolt protectors on rod bolts. (Fig. 3) (5) Rotate crankshaft so that the connecting rod journal is on the center of the cylinder bore. Insert (6) Tap the piston down in cylinder bore, using a hammer handle. At the same time, guide connecting (7) The notch or groove on top of piston must be pointing toward front of engine (Fig. 15). (8) Install rod caps. Install nuts on cleaned and oiled rod bolts and tighten nuts to 54 N Im (40 ft. lb.) Plus 1/4 turn. Fig. 15 Piston I.D. Notches Fig. 16 Checking Connecting Rod Bearing Clearance Fig. 13 Piston Ring End Gap Position Fig. 14 Installing Piston Ä 3.3/3.8L ENGINE 9 - 117 |