AR49.10-P-5531A Remove/Install Catalytic Converter or Front Exhaust System

Remove and installing catalytic converter or front exhaust system







1 Disconnect connectors (G3/302x1, G3/4x1) for left and right oxygen sensors before TWC.
2 Detach front axle torsion bar from longitudinal frame member and swivel torsion bar downwards.
- Model 210.063/263/065/265.
- Replace bolts.

3 Unscrew screws (11/1) at flange connection of front exhaust system/exhaust manifold.
- If bolts are sluggish or thread is damaged, Replace rivet nuts in exhaust manifold.

4 Unscrew nuts (11/2) on support.
- Replace nuts.

5 Disconnect flange connection between front / rear exhaust system and remove front exhaust system with three-way catalytic converter (158).

CAUTION: Ensure that the heat shield (11/6) is not damaged when removing and installing the three-way catalytic converter (158).

- Check seal ring (11/4) for damage and replace if necessary.
- Use emery cloth to remove combustion and corrosion residues at connection points.
- Replace nuts (11/3).

6 Install in the reverse order.

NOTE: Install the three-way catalytic converter without stress.