Muffler: Service and Repair

WM 263319 Removing and installing rear silencer

Tools





Technical values





Preliminary work

DANGER

Vehicle raised incorrectly.

- Danger of fatal injury or material damage should the vehicle fall down.

-> Raise the vehicle at the prescribed jacking points.

1. Remove both rear wheels. Use the prescribed special tool socket-wrench insert 300 to avoid damaging the rims. -> 440519 Removing and installing wheel 44051900 Removing and installing wheel
2. Remove heat protection for brake hose. Unscrew two plastic nuts and one tapping screw and remove component.

Component overview

Components of the Cayman exhaust system

Overview





Cayman exhaust system





Removing rear silencer

DANGER

Parts of the exhaust system become extremely hot!

- Danger of burns
- Permanent scarring of the skin

-> Do not begin work until the exhaust system has cooled down completely.
-> If it is imperative that you work on the hot exhaust system, ensure that you wear fire-resistant and heat-resistant protective gear.

Information

The main catalytic converters are integrated in the rear silencer.

The rear silencers can be replaced individually by disconnecting the system.

1. Unscrew three lock nuts (M8) -Arrows- on the right flange.





Flange for right rear silencer

2. Unscrew three lock nuts (M8) -Arrows- on the left flange.





Flange for left rear silencer

3. Get another person to hold the rear silencer.
4. Remove two screws (M8) on the rear silencer holder -Arrows-.





Rear silencer holder

5. Remove the rear silencer with the help of another person.

Installing rear silencer

1. Replace flange gaskets on the triangular flange and on the cylinder head.
2. Position rear silencer with the help of an assistant.
3. Fit and tighten two screws (M8) on the rear silencer holder -Arrows-. => Tightening torque: 23 Nm (17 ftlb.).





Rear silencer holder

4. Fit and tighten three new lock nuts (M8) -Arrows- on the left flange. => Tightening torque: 23 Nm (17 ftlb.).





Flange for left rear silencer

5. Fit and tighten three new lock nuts (M8) -Arrows- on the right flange. => Tightening torque: 23 Nm (17 ftlb.).





Flange for right rear silencer

Subsequent work

1. Fit heat protection for brake hose. Secure components using two plastic nuts and one tapping screw.
2. Fit both rear wheels. Use the prescribed special tool socket-wrench insert 300 to avoid damaging the rims. -> 440519 Removing and installing wheel 44051900 Removing and installing wheel