Crankshaft Main Bearing: Specifications
CrankshaftStandard main bearing center wall thickness (Reference)
Mark 1 2.486 to 2.489 mm (0.0979 to 0.0980 inch)
Mark 2 2.489 to 2.492 mm (0.0980 to 0.0981 inch)
Mark 3 2.492 to 2.495 mm (0.0981 to 0.0982 inch)
Mark 4 2.495 to 2.498 mm (0.0982 to 0.0983 inch)
Mark 5 2.498 to 2.501 mm (0.0983 to 0.0985 inch)
Mark 6 2.501 to 2.504 mm (0.0985 to 0.0986 inch)
Mark 7 2.504 to 2.507 mm (0.0986 to 0.0987 inch)
Crankshaft bearing cap set bolt
Specified diameter 7.2 to 7.6 mm (0.283 to 0.299 inch)
Main Bearing Cap
Examine the front marks and numbers and install the bearing caps on the cylinder block.
Temporarily install the 8 main bearing cap bolts to the inside positions.
Install the main bearing cap by hand using the inner bolt as a guide. Stop the main bearing cap is about 6 mm (0.23 inch) away from contacting with the block.
Uniformly install and tighten the 16 main bearing cap bolts in the sequence shown in the illustration.
Torque 22 Nm (224 kgf-cm, 16 ft. lbs.)
Mark the front side of the bearing cap bolts with paint.
Retighten the bearing cap bolts by 90° in the same sequence as step (h).
Check that each painted mark is now at a 90° angle to the front.
Check that the crankshaft turns smoothly.
Uniformly install and tighten the 8 main bearing cap bolts in the sequence shown in the illustration.
Torque 27 Nm (275 kgf-cm, 20 ft. lbs.)