Crankshaft Main Bearing: Service and Repair

Main Bearing Cap

INSTALLATION SERVICE POINTS
]]C[[ BEARING CAP/BEARING CAP BOLT INSTALLATION
1. Install the bearing caps so that the arrow points to the timing belt side.






2. Before installing the bearing cap bolts, check that the shank length of each bolt meets the limit.
If it exceeds the limit, replace the bolt.
Limit (A): 71.1 mm (2.79 inches)
3. Apply engine oil to the threaded portion and bearing surface of the bolt.






4. Tighten the bolts to 25 ± 2 Nm (18 ± 1 ft. lbs.) in the tightening sequence shown.






5. Make a paint mark on the head of each bolt.
6. Make a paint mark on the bearing cap at the position 90 degree angle from the paint mark made on the bolt in the direction of tightening the bolt.

CAUTION:
- If the bolt is overtightened, loosen the bolt completely and then retighten it by repeating the tightening procedure from step 4.
- If the bolt is turned less than 90 degree angle, proper fastening performance may not be achieved. Be sure to turn the bolt exactly 90 degree angle.

7. Turn each bolt 90 degree angle in the tightening sequence specified in step 4, and make sure that the paint marks on the bolt and cap are aligned.






8. Make sure that the crankshaft turns smoothly and the end play is correct.
If the end play exceeds the limit, replace the number 3 crankshaft bearings.
Standard value: 0.05 - 0.25 mm (0.002 - 0.009 inch)
Limit: 0.40 mm (0.0015 inch)