Index Chrysler Chrysler Town & Country/Voyager, Dodge Caravan, Plymouth Voyager - service repair manual 1992 year
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CRANKSHAFT SERVICE CRANKSHAFT MAIN BEARINGS Bearing caps are not interchangeable and should be marked at removal to insure correct assembly. Upper CRANKSHAFT MAIN JOURNALS The crankshaft journals should be checked for exces- sive wear, taper and scoring. (Fig. 7) Limits of taper or CAUTION: With the nodular cast iron crankshafts Upper and lower Number 3 bearing halves are flanged to carry the crankshaft thrust loads and are MAIN BEARING SERVICE—CRANKSHAFT NOT REMOVAL (1) Remove oil pan and identify bearing caps before removal. (2) Remove bearing caps one at a time. Remove upper half of bearing by inserting Special Main Bear- (3) Slowly rotate crankshaft clockwise, forcing out upper half of bearing shell. INSTALLATION Only one main bearing should be selectively fitted while all other main bearing caps are prop- When installing a new upper bearing shell, slightly chamfer the sharp edges from the plain side. (1) Start bearing in place, and insert Main Bearing Tool C-3059 into oil hole of crankshaft (Fig. 8). (2) Slowly rotate crankshaft counter-clockwise slid- ing the bearing into position. Remove Special Main CHECKING CRANKSHAFT END PLAY (1) Mount a dial indicator to front of engine, locating probe on nose of crankshaft (Fig. 9). (2) Move crankshaft all the way to the rear of its travel. (3) Zero the dial indicator. the dial indicator. Refer to (Fig. 10) for specifications. OPTIONAL CRANKSHAFT END PLAY CHECK (1) Move crankshaft all the way to the rear of its travel using the appropriate tool inserted between a Fig. 7 Main Bearing Identification Fig. 8 Removing and Installing Upper Main Bearing With Special Tool C-3059 . 2.5L ENGINE 9 - 35 |