Removing and installing complete exhaust system - AR49.10-P-7000GS
ENGINE 111.958 in MODEL 170.444
ENGINE 111.983 in MODEL 170.449
Fig 1: Identifying Complete Exhaust System Remove/Install Components - Engine 111.958 In Model 170.444 & Engine 111.983 In Model 170.449
| Removing, installing | |||
| 1 | Separate plug connection of O2 sensor upstream and downstream of catalytic converter | AR14.00-P-5303GS | |
| 2 | Unscrew nuts (11/2) at exhaust bracket (10) | ||
| 3 | Unbolt ground straps (14, 15) at middle and rear mufflers | ||
| 4 | Unscrew bolts (11/1) at flange connection of front exhaust system/exhaust manifold | If bolts are stiff or thread damaged: ↓ | |
| 5 | replace rivet nuts in exhaust manifold. | AR49.10-P-5531-01DA | |
| *BA14.10-P-1002-01B | |||
| 6 | Unbolt rubber pads (9/1) of middle muffler | ||
| 7 | Detach rear muffler from rubber pads (9/1) and take off exhaust system | ||
| 8 | Install in the reverse order | ||
| Notes on disposing of catalytic converters | Models fitted with catalytic converter code 620a | OS49.10-P-1000-01A |
| Number | Designation | Engine 111.958/983 | |
|---|---|---|---|
| BA14.10-P-1002-01B | Flange connection of exhaust manifold/front exhaust pipes | Nm | 20 |