Removing/installing the complete exhaust system - AR49.10-P-7000PR
ENGINE 111.951 in MODEL 203.035 /235 /735
ENGINE 111.955 in MODEL 203.045 /245 /745
ENGINE 111.981 in MODEL 203.747
Fig 1: Identifying Complete Exhaust System Remove/Install Components - Engine 111.981 In Model 203.747
| Remove/Install | |||
| 1 | Remove engine compartment paneling | AR61.20-P-1105P | |
| 2 | Detach connector of O2 sensor upstream TWC (G3/2x1) | ||
| 3 | Remove shield (1) above the catalytic converter | ||
| 4 | Partly loosen the left floor cover (2) | ||
| 5 | Disconnect O2 sensor downstream TWC [KAT] connector (G3/1x1) | ||
| 6 | Unscrew front exhaust system (3) from exhaust manifold | ||
| Replace rivet bushes in exhaust manifold | AR49.10-P-5531-01DA | ||
| *BA49.10-P-1005-01F | |||
| 7 | Support the exhaust system. | ||
| 8 | Unscrew the nuts (5) on bracket (6) | ||
| *BA49.10-P-1004-01F | |||
| 9 | Remove bracket (9) for the exhaust system on the underbody | *BA49.10-P-1006-01F | |
| 10 | Remove the complete exhaust system | ||
| Notes on disposing of catalytic converters | For vehicles with catalytic converter technology code (620a) | OS49.10-P-1000-01A | |
| 11 | Install in the reverse order |
| Number | Designation | Engine 111 in model 203 | |
|---|---|---|---|
| BA49.10-P-1004-01F | Self-locking nut to front exhaust pipe | Nm | 20 |
| BA49.10-P-1005-01F | Bolt of flange connection to exhaust pipes or exhaust manifold | Nm | 20 |
| BA49.10-P-1006-01F | Bolt of exhaust system to underbody | Nm | 20 |