Operation CHARM: Car repair manuals for everyone.

Connecting Rod, Engine


WM 1344IN Mounting specification for connecting rod bolts

Tools





Technical values





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.

NOTICE

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°