Service Limits & General Specifications
CYLINDER BLOCKExploded View EM-113:
CAUTION:
^ Apply new engine oil to parts as marked in illustrations before installation.
^ Place removed parts such as bearings and bearing caps in their proper order and direction.
^ When installing the connecting rod nuts, and main bearing cap bolts, apply new engine oil to the threads and mating surfaces
^ Do not allow any magnetic materials to contact the signal plate teeth on the drive plate.
CONNECTING ROD BEARING HOUSING DIAMETER (BIG END)
^ Install the connecting rod cap without the connecting rod bearing installed. After tightening the connecting rod nut to the specified torque, measure the connecting rod bearing housing big end inner diameter using an inside micrometer.
Standard: 55.000 - 55.013 mm (2.1654 - 2.1659 in)
CONNECTING ROD BUSHING OIL CLEARANCE (SMALL END)
Inner Diameter of Connecting Rod (Small End)
^ Measure inner diameter of piston pin bushing.
Standard Grade No. 0: 22.000 - 22.006 mm (0.8661 - 0.8664 in)
Grade No. 1: 22.006 - 22.012 mm (0.8664 - 0.8666 in)
Outer Diameter of Piston Pin
^ Measure outer diameter of piston pin.
Standard diameter "Dp"
Grade No. 0: 21.989 - 21.995 mm (0.8657 - 0.8659 in)
Grade No. 1: 21.995 - 22.001 mm (0.8659 - 0.8662 in)
Connecting Rod Bushing Oil Clearance (Small End)
(Connecting rod small end oil clearance) = (Inner diameter of connecting rod small end) - (Outer diameter of piston pin)
Standard: 0.005 - 0.017 mm (0.0002 - 0.007 in)
Limit: 0.030 - mm (0.0012 in)
^ If the measured value exceeds the standard, replace the connecting rod assembly and/or piston and piston pin assembly.
^ If replacing the piston and piston pin assembly, refer to the Table for Selective Fitting for Piston to select the piston corresponding to the applicable bore grade of the cylinder block to be used.
Factory installed parts grading:
^ Service parts apply only to grade 0.
Connecting Rod Bearing (Big End)
1. Install the connecting rod bearing to the connecting rod and cap.
2. Install the connecting rod cap to the connecting rod. Tighten to specification. Refer to Exploded View EM-113.
3. Measure the inner diameter "C" of each connecting rod (big end) as shown.
4. Measure the outer diameter "Dp" of each crankshaft pin journal.
5. Calculate the connecting rod bearing clearance.
Connecting rod bearing clearance = C - Dp
Standard: 0.034 - 0.059 mm (0.0013 - 0.0023 in)
Limit: 0.070 mm (0.0028 in)
6. If the calculated clearance exceeds the specified limit, replace the bearings.
7. If the clearance cannot be adjusted within the standard of any bearing, grind the crankshaft journal and use undersized bearings.
8. If the crankshaft is replaced with a new one, select the connecting rod bearings according to the following table:
Connecting Rod Bearing Grade Number (Identification Color):
These numbers are punched in either Arabic or Roman numerals.
Method B (Using Plastigage)
^ Remove oil and dust on the crankshaft pin and the surfaces of each bearing completely.
^ Cut a Plastigage slightly shorter than the bearing width, and place it in crankshaft axial direction, avoiding oil holes.
^ Install the connecting rod bearings to the connecting rod cap, and tighten the connecting rod nuts to the specified torque.
CAUTION: Never rotate the crankshaft.
^ Remove the connecting rod cap and bearings, and using the scale on the Plastigage bag, measure the Plastigage width.
NOTE: The procedure when the measured value exceeds the repair limit is same as that described in "Method A (Using Bore Gauge and Micrometer)".
CONNECTING ROD BEARING
Undersize