Mounting Specification For Connecting Rod Bolts

WM 1344IN Mounting specification for connecting rod bolts








Securing connecting rod bolts

Caution
Risk of damage due to particles of dirt.
^ Danger of material damage due to blocked oil bores/oil ducts.

--> Absolute cleanliness is essential when working on the engine.
--> Lay removed engine parts on a clean base and make sure to cover them.
--> Use the cover for dust protection when fitting the engine NR.165 on the engine assembly support.

Caution
Refitting connecting rod bolts that were already used
^ Risk of engine damage

--> Always replace connecting rod bolts.
--> New connecting rod bolts may be screwed in a maximum of four times during assembly.

1. Position the new connecting rod bolts with the associated connecting rod caps and tighten the screws by hand.
2. Pre-tighten connecting rod bolts to the specified torque and retighten with a torque angle wrench. --> Initial tightening: 15 ftlb.; --> Torque angle: 110°
3. Unscrew connecting-rod bolts.
4. Pre-tighten connecting rod bolts to the specified torque and perform the final tightening with a torque angle wrench. --> Initial tightening: 15 ftlb.; --> Final tightening - torque angle: 110°