Lowering And Securing The Engine
WARNING: This page is about a different variant/trim than selected.
WARNING:
Danger of objects or loads falling down
- Risk of squashing or crushing
- → Secure components to prevent them from falling down.
- Remove air cleaner housing.
- Remove rear underbody cover.
> WM, 519419 REMOVING AND INSTALLING COVER FOR REAR UNDERBODY .
For working under the vehicle:
Information
- It may only be supported over a large area at the oil pan.
- Localised loading is not permitted.
- Vehicles with particle filter:
Remove rear wall cover.
- Vehicles with particle filter:
Disconnect differential pressure sensor hoses -1- .
- 4.1 Loosen spring band clamps -2- using > VAS 6890 - Spring Band Clamp Pliers and disconnect hoses -1- .
- 4.2 Close off line openings using suitable stoppers.
Differential pressure sensor hoses
- Support the engine at the oil pan using a transmission jack.
Recommendation: > VAS 6931 - Transmission and Engine Jack
For working in the engine or passenger compartment:
- Support the engine at the oil pan using a jack with mounting plate.
Recommendation: Hydraulic garage jack H 2 SL and mounting plate, e.g. VAS 6867
Information
- When lowering the engine, it must not rest on the rear-axle cross member.
- The exhaust system must not touch against the body or rear apron when lowering it.
- Loosen clamps on the tailpipe cover if necessary and turn tailpipe cover downwards.
- Always be careful of hoses, lines and cables when lowering the system!
- Always avoid collisions!
- Loosen collar nuts -3-
on the engine mounts -1-
.
- 7.1 Loosen collar nuts initially only as far as required so that the nuts are still fitted fully on the thread.
- 7.2 If the engine has to be lowered further, unscrew collar nuts.
- 7.3 Carefully lower the engine using the transmission jack or workshop jack only as far as required so that no components are touching or damaged!
Engine mount on bracket
- Secure the engine again after carrying out the required work.
- 8.1 Raise the engine to installation position.
- 8.2 Fit and tighten M12 collar nuts.
Initial tightening: > Initial tightening 40 Nm (30 ftlb.)
Final tightening: > Final tightening torque angle 90°
- Vehicles with particle filter:
Secure differential pressure sensor hoses -1- .
- 9.1 Push on differential pressure sensor hoses -1- and tighten spring band clamps -2- using > VAS 6890 - Spring Band Clamp Pliers .
Differential pressure sensor hoses
- Vehicles with particle filter:
Install rear wall cover.
- Install cover for rear underbody.
> WM, 519419 REMOVING AND INSTALLING COVER FOR REAR UNDERBODY .
- Install air cleaner housing.
- Complete the vehicle.