ARIA

ENGINE

4. Tighten main bearing cap mounting bolts to

specified torque

5. Check crank case main bearing parent bore di-

mensions.

6. Install new pairs of main bearing shells according

to size of crank shaft main bearing journal diame-

ter, making sure that securing lugs of bearing

shells are properly seated in grooves of crank

case and main bearing caps.

7. Install main bearing caps with bearing shells in

their respective position on crank case. Tighten

main bearing cap mounting bolts in specified se-

quence to specified torque. Measure main

bearing bore.

8. If main bearing parent bore dimensions are within

specified limits, proper main bearing bore di-

mension is automatically achieved.

9. Loosen one of the main bearing cap mounting

bolts (

. Now using a feeler gauge measure the

pretension gap (3) of main bearing shell. As the

main bearing caps are guided, the measurement

has to be done on a flat surface and not on cyl-

inder block.