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Big-end bearings, change

Big-end bearings, change

To remove


1. Remove the oil pan - see Oil pan, removing and fitting .


2. Remove the oil intake pipe (1) from the oil pump and the engine block.

3. Caution

Mark the order of the big-end bearing caps.

Remove the big-end bearing cap from the connecting rod.

4. The fracture surfaces of the connecting rods and the big-end bearing caps form an individual fit and must not be interchanged or damaged. Do not rest the connecting rods or big-end bearing caps on their fracture surfaces to avoid damage.

5. Press out the big-end bearing from the connecting rod and the big-end bearing cap.


Big-end journal and big-end bearing cap


1. Fit new big-end bearing shells with engine oil.


2. Observe the big-end bearing cap order and fitting position - the boss (1) on the big-end bearing caps pointing towards the gearbox end.

3. Fit the big-end bearing cap onto the connecting rod with new bolts - tightening torque 25 Nm + 30°.

4. Fit the oil intake pipe together with a new sealing ring on the oil pump - tightening torque 8 Nm

Note

Recut the threads before reuse and apply locking compound (red) when fitting the bolts. Mounting time including checking torque must not exceed 10 min.


5. Fit the oil intake pipe onto the engine block - tightening torque 8 Nm.

6. Fit the oil pan - see Oil pan, removing and fitting .