Muffler, Center

Muffler center

Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.

Removal

Removing the muffler





Note! If a joint is missing between the center and rear mufflers, both must be replaced.

Applies at the first change
Cut between the front and center exhaust pipe to create an 85 mm pipe sleeve. Measure from the rear end of the front muffler. See A.

Remove:
- the M10 nut for the clamp between the rear and center muffler
- the rubber mountings from the muffler
- the center muffler.
Applies to the second or later changes

Remove:
- the M10 nut for the clamp between the front and center muffler
- the M10 nut for the clamp between the rear and center muffler
- the rubber mountings
- the muffler.

Hint: Tap carefully around the joint to crack any rust and soot deposits in the joint. Use a hammer.

Installation

Note! For tightening torques, see: Tightening torque, B5254T7, AW55-50/51SN, B5254T7, M66 Tightening Torque.

Note! To ensure that there is no exhaust leakage, see: Flanged joint, assembling Removal and Replacement.

Installing the muffler

Install:
- the center exhaust pipe section
- the M10 nut for the clamp between the front and center muffler. Do not tighten yet
- the M10 nut for the clamp between the rear and center muffler. Do not tighten yet
- the rubber mountings.
Adjust the position of the exhaust pipe. Tighten the two nuts.