Remove/Install Right Catalytic Converter - AR49.20-P-0102MNL
Engine 176 in model 217, 222
MODIFICATION NOTES
| 23.05.2017 | Clamp exhaust system front to exhaust turbocharger | BA49.10-P-1001-02N |
| 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 o' the danger zone. |
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 | |
| Notice | Notes on self-locking nuts and bolts | AH00.00-P-0001-01KOA | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Remove left-hand air filter housing | AR09.10-P-1151MNL | |
| 2 | Remove right air filter housing | AR09.10-P-1152MNL | |
| 3 | Remove engine wiring harness (17) from elastomer bearings and place to one side | Antifriction paste, rubber parts 2.5 kg, DBL 6867.00 |
*BR00.45-Z-1002-06A |
| 4 | Check elastomer bearings of engine wiring harness (17) for damage | In case of a complaint ↓ Replace elastomer bearing. |
|
| 5 | Remove screws/bolts (15), and remove heat shield (16) upward | *BA09.40-P-1006-01ZA | |
| 6 | Remove heat shield (14) | ||
| 7 | Remove bracket (5) | *BA09.40-P-1005-01ZA | |
| 8 | Unclip engine wiring harness (17) from bracket (6) | ||
| 9 | Remove clamp (3) of right catalytic converter (4) | Leaks can occur otherwise. For two-piece clamp (3), replace screw/bolts and nuts. |
AR09.40-P-6018-01MNL |
| *BA49.10-P-1001-02N | |||
| Fig 1 | |||
| 10 | Remove right catalytic converter (4) from. bracket (7) | *BA49.10-P-1002-02N | |
| 11 | Remove center and rear lower engine compartment paneling | AR61.20-P-1105LF | |
| *BA49.10-P-1004-02N | |||
| 12 | Remove bracket (8) | *BA49.10-P-1004-02N | |
| 13 | Remove clamp (9) | Otherwise, leaks in exhaust system will occur. |
*BA49.10-P-1008-02N |
| 14 | Secure right catalytic converter (4) against falling down | ||
| 15 | Remove the transmission | Engine 176 in model 217, 222 with transmission 725.0 except code M005 (Vehicles with 4 MATIC/all-wheel drive) |
AR27.10-P-0500MNL |
| Engine 176 in model 217, 222 with transmission 725.0 with code M005 (Vehicles with 4 MATIC/all-wheel drive) |
AR27.10-P-0500MNN | ||
| 16 | Remove right oxygen sensor upstream of catalytic converter | AR07.04-P-0083MNL | |
| 17 | Remove right lambda sensor downstream of catalytic converter | AR07.04-P-0084MNL | |
| 18 | Remove bracket (13) and bracket (7) | *BA49.10-P-1003-02N | |
| 19 | Release right catalytic converter (4) and remove downward | ||
| 20 | Remove combustion and corrosion residues at flange connections | ||
| 21 | Install in the reverse order | ||
| 22 | Check installation position and unobstructed movement of right catalytic converter (4) | In case of a complaint ↓ Re-align right catalytic converter (4). |
|
| 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 | |
| 23 | Perform engine test run to test exhaust system function and check for leaks | ||
| 24 | Install front, center, and rear lower engine compartment lining | AR61.20-P-1105LF | |
| 25 | Install upper engine cover |
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 | Model 217, 222 with engine 176 | |
|---|---|---|---|
| BA49.10-P-1001-02N | Clamp, front exhaust system to turbocharger | Nm | 20 |
EXHAUST SYSTEM
| Number | Designation | Model 217, 222 with engine 176 | |
|---|---|---|---|
| BA49.10-P-1002-02N | Bolt, butterfly holder to bracket/catalytic converter | Nm | 20 |
EXHAUST SYSTEM
| Number | Designation | Model 217, 222 with engine 176 | |
|---|---|---|---|
| BA49.10-P-1003-02N | Bolt, exhaust system bracket to front of crankcase | Nm | 20 |
EXHAUST SYSTEM
| Number | Designation | Model 217, 222 with engine 176 | |
|---|---|---|---|
| BA49.10-P-1004-02N | Bolt, bracket for catalytic converter to catalytic converter/bracket | Nm | 20 |
EXHAUST SYSTEM
| Number | Designation | Model 217, 222 with engine 176 | |
|---|---|---|---|
| BA49.10-P-1008-02N | Clamp, front exhaust system to center exhaust system | Nm | 35 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1002-06A | Antifriction paste, rubber parts 2.5 kg, DBL 6867.00 | A 000 989 01 60 |