AR49.10-P-5500TA | Remove/install catalytic converter | 7.2.12 |
ENGINES 648 in MODEL 211 except CODE (474) Particulate filter
P49.10-2333-06
1 Screw
5 Bracket
5a Screw
7 Bracket
7a Screw/bolt
7b Shock absorber
7c Nut
22 Screw clamp
32 Screw clamp
33 Seal
111 Catalytic converter
112 Front exhaust system
G3/2 O2 sensor upstream of CAT
| Removing | ||
Danger! | Risk of injury to skin and eyes caused by handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses. | |
| Notes on self-locking nuts and bolts | ||
1 | Remove air filter housing | ||
2 | Disconnect electrical connector of O2 sensor upstream of CAT (G3/2) and expose electrical feed line | Vehicles with USA version, code 494 | |
3 | Remove heat shield | ||
4 | Detach screw clamp (32) | Installation: Replace seal (33). | |
5 | Detach catalytic converter (111) from bracket (7) | ||
6 | Remove rear bottom part of soundproofing | ||
7 | Detach screw clamp (22) | ||
8 | Remove screw/bolts (5a) | Vehicles with USA version, code 494 | |
9 | Take out three way catalytic converter (111) | If the catalytic converter (111) is replaced: | |
| Observe notes for the disposal of catalytic converters. | ||
10 | Remove O2 sensor upstream of CAT (G3/2) and bracket (5) of catalytic converter (111) | Vehicles with USA version, Code 494: When replacing the catalytic converter (111) | |
| Install | ||
11 | Loosely mount bracket (5) at new catalytic converter (111) | Vehicles with USA version, Code 494: When replacing the catalytic converter (111) | |
12 | Loosely mount catalytic converter (111) at bracket (7) | Check shock absorber (7b) for wear. | |
13 | Loosely mount bracket (5) on transmission | Vehicles with USA version, code 494 | |
14 | Align catalytic converter (111) and mount with screw clamp (32) at turbocharger | | |
15 | Detach catalytic converter (111) with screw clamp (22) at front exhaust system (112) | | |
16 | Tighten catalytic converter (111) at bracket (7) | | |
17 | Tighten bracket (5) at transmission and catalytic converter (111) | Vehicles with USA version, code 494 | |
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| |||
18 | Install O2 sensor upstream CAT (G3/2), route electrical feed line and connect electrical connector | Vehicles with USA version, code 494 | |
| |||
| Checking | ||
19 | Check installation position and clearance of exhaust system | The exhaust system must be mounted free of tension, align exhaust system if required. | |
20 | Install heat shield | ||
21 | Install air filter housing | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. | |
22 | Perform an engine test run and check exhaust system for leaks | ||
23 | Install lower section of rear soundproofing |
Exhaust system
Number | Designation | Engine 648.961 | |
BA49.10-P-1011-01I | Self-locking nut, catalytic converter to bracket | Nm | 20 |
BA49.10-P-1015-01I | Screw/bolt connecting catalytic converter hose clamp to turbocharger | Nm | 15 |
BA49.10-P-1019-01I | Screw/bolt, pipe clamp for exhaust system to catalytic converter | Nm | 20 |
Housing
Number | Designation | Transmission | ||
BA27.40-P-1008-01A | Screw/bolt, automatic transmission to engine | M1040 | Nm | 39 |
M1090 | Nm | 39 | ||
M12 | Nm | - | ||
Sensors
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