Remove/Install Left Catalytic Converter - AR49.20-P-0101XGA
Engine 176 in model 463
as of model year 2019
Shown on firewall in front left wheel arch
| Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust. | Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. | AS49.00-Z-0001-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Notes on self-locking nuts and bolts | AH00.00-N-0001-01A | ||
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Remove/install | |||
| 1 | Remove automatic transmission with torque converter. | Engine 176 in model 463 with transmission 725.0 as of model year 2019 |
AR27.10-P-0500XGA |
| 2 | Remove clamps (15, 17) from right rear muffler and left rear muffler. | Exhaust system must be aligned so that it is free of tension before tightening bolted connections. Otherwise, leaks in the exhaust system will occur. |
|
| *BA49.10-P-1009-02F | |||
| 3 | Secure right rear muffler and left rear muffler against falling down. | ||
| 4 | Unscrew nuts of the brackets (16, 18) of the left catalytic converter (13) and right catalytic converter (14) from the frame. | *BA49.10-P-1006-02F | |
| 5 | Remove left fender liner in the front fender. | AR88.10-P-1300XG | |
| 6 | Remove right air filter housing. | AR09.10-P-1152XGA | |
| 7 | Remove lambda sensor on left upstream of catalytic converter (G3/3). | AR07.04-P-0081XGA | |
| 8 | Remove the oxygen sensor on the left downstream of the catalytic converter (G3/5). | AR07.04-P-0082XGA | |
| 9 | Remove screws (1) and remove heat shield (2) upward. | *BA09.40-P-1006-01ZA | |
| 10 | Remove screws (4) and remove heat shield (3) | *BA09.40-P-1005-01ZA | |
| *BA09.40-P-1006-01ZA | |||
| 11 | Remove clamps (5) of the left catalytic converter (13) and right catalytic converter (14). | AR09.40-P-6018-01MNA | |
Observe alignment of the clamps (5). Leaks can occur otherwise. |
|||
| *BA49.10-P-1001-02F | |||
| 12 | Remove screws (8). | *BA49.10-P-1005-02F | |
| 13 | Remove bolts_(7). | *BA49.10-P-1004-02F | |
| 14 | Remove bracket (6) upward. | ||
| 15 | Remove screws (10) from bracket (9). | *BA49.10-P-1003-02F | |
| 16 | Remove bracket (9). | ||
| 17 | Remove screws (12) from bracket (11). | *BA09.40-P-1005-01ZA | |
| 18 | Remove bracket (11). | ||
| 19 | Secure right catalytic converter (14) against falling down. | ||
| 20 | Remove screws (23) of the heat shield (22). | ||
| 21 | Remove heat shield (22). | ||
| 22 | Remove left catalytic converter (13). | ||
| 23 | Remove combustion and corrosion residues on flange connections. | ||
| 24 | Install in the reverse order. | ||
| 25 | Check installation position and unobstructed movement of the left catalytic converter (13) and right catalytic converter (14). | If there is a problem, ↓ Realign left catalytic converter (13) and right catalytic converter (14). |
|
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 26 | Perform engine test run to check exhaust system for leaks. | ||
| 27 | Install lower engine compartment lining. | AR61.20-P-1105XG |
TURBOCHARGER
| Number | Designation | Engine 176 | |
|---|---|---|---|
| BA09.40-P-1005-01ZA | Bolt, rear heat shield bracket to crankcase | Nm | 9 |
TURBOCHARGER
| Number | Designation | Engine 176 | |
|---|---|---|---|
| BA09.40-P-1006-01ZA | Bolt, upper heat shield to bracket/side heat shield | Nm | 9 |
EXHAUST SYSTEM
| Number | Designation | Engine 176 in model 463 up to model year 2019 | Engine 176 in model 463 as of model year 2019 |
||
|---|---|---|---|---|---|
| BA49.10-P-1001-02F | Screw/bolt, catalytic converter clamp to exhaust gas turbocharger | M6 | Nm | 8 | 8 |
| M8 | Nm | 20 | 20 | ||
EXHAUST SYSTEM
| Number | Designation | Engine 176 in model 463 up to model year 2019 | Engine 176 in model 463 as of model year 2019 |
|
|---|---|---|---|---|
| BA49.10-P-1003-02F | Bolt, bracket for catalytic converter to crankcase | Nm | 20 | 20 |
EXHAUST SYSTEM
| Number | Designation | Engine 176 in model 463 up to model year 2019 | Engine 176 in model 463 as of model year 2019 |
|
|---|---|---|---|---|
| BA49.10-P-1004-02F | Screw/bolt, catalytic converter bracket to bracket | Nm | 25 | 25 |
EXHAUST SYSTEM
| Number | Designation | Engine 176 in model 463 up to model year 2019 | Engine 176 in model 463 as of model year 2019 | |
|---|---|---|---|---|
| BA49.10-P-1005-02F | Bolt, bracket to catalytic converter | Nm | 20 | 20 |
EXHAUST SYSTEM
| Number | Designation | Engine 176 in model 463 up to model year 2019 | Engine 176 in model 463 as of model year 2019 |
||
|---|---|---|---|---|---|
| BA49.10-P-1006-02F | Nut to catalytic converter bracket (to frame) | Stage 1 | Nm | 10 | 10 |
| Stage 2 | Nm | - | 35 | ||
EXHAUST SYSTEM
| Number | Designation | Engine 176 in model 463 up to model year 2019 | Engine 176 in model 463 as of model year 2019 |
|
|---|---|---|---|---|
| BA49.10-P-1009-02F | Bolt, clamp for catalytic converter to rear muffler | Nm | - | 17 |