Removing and Installing/Replacing Centre Muffler

18 10 090 Replacing centre silencer (M57T2 TOP)







WARNING: Risk of burning.

This repair work may only be carried out on an exhaust system which has cooled down.







NOTE:
If the separation point is not marked by a punch mark on the pipe, determine the separation point by means of the pipe length on the new centre silencer.
Carry over separation point to faulty centre silencer and mark.
Secure centre silencer against falling off.
Cut through exhaust pipes at marked point with a suitable tool and deburr.







Release nuts at left and right on rear axle differential.
Tightening torque 18 20 6AZ.
Lower and remove centre silencer with assistance of a second person.







Installation note:
Connect and align the centre silencer with both exhaust pipes using clamps.
Align and tighten clamps.
Tightening torque 18 20 9AZ.
Align clamps so that:
- Nuts point downwards.
- Cutting line is in middle of clamping sleeve.
- There is sufficient spacing to adjoining components.







Installation note:
Connect and align centre silencer with both rear silencers using clamps.
Align and tighten clamps.
Tightening torque 18 20 9AZ.
Align clamping sleeves so that:
- Nuts point downwards.
- Cutting line is in middle of clamping sleeve.
- There is sufficient spacing to adjoining components.







Installation note:
Check rubber mount for damage.
If necessary, replace damaged rubber mounts.
Check exhaust system for leak tightness.