REP-TAT-P-1125-01 Removing all pistons with connecting rod
WARNING: This page is about a different car, the 2018 BMW 340i, 2017 BMW 340i, and 2016 BMW 340i. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The description is for one component only. The procedure is identical for all further components.
Removing the piston with connecting rod
NOTE:
TECHNICAL INFORMATION
Piston, piston pin, connecting rod and connecting rod bearing shells are matched to each other and balanced.
Always install the piston, piston pin, connecting rod and connecting rod bearing shells in the cylinder from which they were removed.
Piston, piston pin, connecting rod and connecting rod bearing shells are matched to each other and balanced.
Always install the piston, piston pin, connecting rod and connecting rod bearing shells in the cylinder from which they were removed.
NOTE:
TECHNICAL INFORMATION
The connecting rods of the engine are balanced and are matched to each other.
A single connecting rod is not permitted to be replaced. Always replace all connecting rods.
The connecting rods of the engine are balanced and are matched to each other.
A single connecting rod is not permitted to be replaced. Always replace all connecting rods.
Detach the lower connecting rod bearing
NOTE:
RISK OF DAMAGE
Damage on the cylinder wall and oil spray nozzles.
Major force can scratch the cylinder wall and bend the oil spray nozzles.
Damage on the cylinder wall and oil spray nozzles.
Major force can scratch the cylinder wall and bend the oil spray nozzles.
- Carefully shift the piston and connecting rod in the engine block.
- Turn the crankshaft until the connecting rod bearing journal (1) reaches a vertical position.
NOTE:
RISK OF DAMAGE
Engine damage caused by incorrectly installed bearing shells and bearing brackets.
Engine damage may result from incorrectly installing bearing shells and bearing brackets.
Engine damage caused by incorrectly installed bearing shells and bearing brackets.
Engine damage may result from incorrectly installing bearing shells and bearing brackets.
- Always install all bearing shells and bearing brackets in the same position from which they were removed.
- Unscrew the connecting rod bolts (1).
- Remove the connecting rod bearing cap (2) and put to one side in the correct order.
Make sure that the connecting rod bearing cap (2) can be re-exchanged in the correct position.
NOTE:
RISK OF DAMAGE
Engine damage caused by incorrectly installed bearing shells and bearing brackets.
Engine damage may result from incorrectly installing bearing shells and bearing brackets.
Engine damage caused by incorrectly installed bearing shells and bearing brackets.
Engine damage may result from incorrectly installing bearing shells and bearing brackets.
- Always install all bearing shells and bearing brackets in the same position from which they were removed.
- Remove the connecting rod bearing (1).
Make sure that the connecting rod bearing (1) can be re-exchanged in the correct position.
- Screw special tool 0 496 144 (11 8 860)
in at large connecting rod eye.
- Press piston (1) with connecting rod up and out of crankcase.