Diesel Data: Automotive Repair

Connecting Rod, Engine

PISTON SUB-ASSEMBLY WITH CONNECTING ROD

The connecting rod cap bolts are tightened in 2 progressive steps.

Step 1:





Install and alternately tighten the bolts of the connecting rod cap in several steps.

Torque 25 Nm (255 kgf-cm, 18ft-lbf)

Step 2:





Mark the front of each connecting rod cap bolt with paint.
Retighten the cap bolts 90° as shown in the illustration.
Check the painted mark is now at a 90° angle to the front.
Confirm that the crankshaft turns smoothly.

















If replacing a bearing, replace it with one that has the same number as its respective connecting rod cap. Each bearing standard thickness is indicated by a number (1, 2, 3 or 4) marked on its surface.

Connecting Rod Diameter:





Connecting Rod Bearing Center Wall Thickness:





Standard crankshaft pin diameter 52.992 to 53.000 mm (2.0863 to 2.0866 in.)