Connecting Rod: Testing and Inspection
LEGEND
1 Piston Ring
2 Piston
3 Piston Pin
4 Circlip
5 Connecting Rod
6 Bearing Shell
7 Cylinder Block
8 Connecting Rod Bearing Cap
9 Locating Pin
10 Oil Spray Jet
11 Bolt
12 Connecting Rod Bolt
NOTE: During testing and inspection procedures, refer to the component location illustration above and component notes below.
COMPONENT NOTES
Bearing Shell (6)
- Note installed position
- Do not interchange used bearing shells
- Ensure that retaining lugs fit tightly in recesses
- Axial clearance:
- Wear limit: 0.37 mm
- Check radial clearance with Plastigage:
- Wear limit: 0.08 mm
- Do not rotate crankshaft when checking radial clearance.
Connecting Rod Bearing Cap (8)
- Note installation position.
Locating Pin (9)
- The fitted pin must seat securely in the connecting rod, not in the bearing cap.
Connecting Rod Bolt (12)
- Always Replace.
- Tighten in two stages:
- First stage, tighten to: 30 Nm (22 ft. lbs.)
- Second stage, turn: an additional 90° (1/4 turn).
- Oil threads and contact surfaces.
- Use old bolts to measure radial clearance.