Replacing rear silencer (B36, B38) (Cooper)

Only perform this repair after engine has cooled down.

Injury hazard! 

Call on the assistance of a second technician  to remove the rear silencer.

Preliminary work needed: 

• Support rear silencer with a suitable jack and secure against falling down.

Removal: 

Carry over separation point to faulty rear silencer and mark.

Secure rear silencer against falling off.

Cut through exhaust pipes at marked point with a suitable tool.

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Release screws along the arrows.

Remove connection carrier (1).

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Spray rubber mount (1) with lubricant and detach from exhaust system.

Replaced damaged rubber mounts.

Parts:  rubber mount

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Loosen screw (1).

Remove cross strut (2) on the rear axle.

Release nut (3) on the rear left body.

Release nut (4) on the rear right body.

Remove rear silencer (5).

Replaced damaged rubber mounts.

Parts:  rubber mount

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Installation: 

Tighten nut (3) on the rear left body.

Tighten nut (4) on the rear right body.

Tightening torque 18 20 2AZ .

Remove cross strut (2) on the rear axle.

Tighten screw (1).

Tightening torque 18 30 6AZ .

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Adjust new rear silencer and connect by clamp to center silencer.

Center clamp and tighten down.

Tightening torque 18 20 3AZ .

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Connect rubber mount (1) to rear silencer.

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Install connection carrier (1).

Tighten screws along the arrows.

Tightening torque 18 30 5AZ .

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Required follow-up work: 

• Check exhaust system for leak tightness.