AR49.10-P-7100EW | Remove/install components for exhaust system | 7.2.12 |
ENGINES 156, 272, 273 in MODEL 212
P49.10-2782-09
Exhaust system for engine 272
4 Pipe clamp
5 Center muffler
8 Exhaust rubber mount
12 Right rear muffler
13 Front connecting strut
14 Rear connecting strut
9 Left catalytic converter
10 Right catalytic converter
11 Left rear muffler
| Remove/install | ||
Danger! | Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. | |
Danger! | Risk of injury to skin and eyes caused by handling hot or glowing objects. | Wear safety gloves, protective clothing and safety glasses, if necessary. | |
Danger! | Risk of injury from grazing 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. | |
| Notes on self-locking nuts and bolts | ||
1 | Remove engine compartment paneling | If necessary | |
Installation: Only install engine compartment paneling after engine test run and leak test. | |||
2 | Disconnect electrical connector(s) for O2 sensor(s) and expose feed lines | ||
3 | Remove exhaust gas recirculation lines | Engine 272.983 | |
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4 | Remove corresponding diagonal strut(s) at rear | Model 212.2, if required | |
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5 | Loosen corresponding components of exhaust system at connecting points and remove | Installation: Align components for exhaust system tension-free before tightening the bolted connections. | |
Installation: Apply lubricating paste to exhaust rubber bearings (8). | |||
Lubricant paste | |||
Screw/bolt, catalytic converter to exhaust manifold | |||
Screw/bolt, catalytic converter holder to catalytic converter | |||
Screw/bolt, bracket to transmission | |||
Screw/bolt, catalytic converter connecting pipe to catalytic converter | |||
Screw/bolt, exhaust bracket to transmission | |||
Screw/bolt, exhaust bracket to exhaust | |||
Nut, center muffler clamp to connecting pipe with catalytic converter | |||
Nut, center muffler clamp to rear muffler | |||
Screw/bolt, vibration damper to center muffler | |||
Screw/bolt, cross connection left rear to right rear | |||
Screw/bolt, exhaust rubber mount holder to frame floor assembly/rear axle carrier | |||
Screw/bolt, flange for exhaust gas recirculation lines to exhaust gas recirculation positioner | |||
Screw/bolt, exhaust gas recirculation line clamp to catalytic converter | |||
Transmission 716.6 | |||
Transmission 722.6, 722.9 | |||
| Clean | ||
6 | Remove combustion and corrosion residue at separation points | ||
7 | Check exhaust rubber mount (8) for damage and wear | ||
8 | Install in the reverse order | ||
| Checking | ||
9 | Inspect installation position and unobstructed movement of all components of the exhaust system | ||
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. | |
10 | Perform an engine test run and check exhaust system for leaks |
Exhaust system
Number | Designation | Engine | ||
BA49.10-P-1001-01AE | Screw/bolt, catalytic converter to exhaust manifold | Nm | 20 | |
BA49.10-P-1010-01AE | Screw/bolt, catalytic converter holder to catalytic converter | Nm | 35 | |
BA49.10-P-1011-01AE | Screw/bolt, bracket to transmission | Nm | 39 | |
BA49.10-P-1021-01AE | Screw/bolt, catalytic converter connecting pipe to catalytic converter | Nm | 20 | |
BA49.10-P-1023-01AE | Screw/bolt, exhaust bracket to transmission | Nm | 20 | |
BA49.10-P-1024-01AE | Bolt/nut, exhaust bracket to exhaust | Nm | 20 | |
BA49.10-P-1032-01AE | Screw/bolt / nut, center muffler clamp to connecting pipe with catalytic converter | Nm | 35 | |
BA49.10-P-1033-01AE | Nut, center muffler clamp to rear muffler | Nm | 35 | |
BA49.10-P-1034-01AE | Screw/bolt, vibration damper to center muffler | Nm | 20 | |
BA49.10-P-1035-01AE | Screw/bolt, cross connection left rear to right rear | Nm | 20 | |
BA49.10-P-1036-01AE | Screw/bolt, exhaust rubber mount holder to frame floor assembly/rear axle carrier | Nm | 20 | |
BA49.10-P-1040-01AE | Screw/bolt, flange for exhaust gas recirculation lines to exhaust gas recirculation positioner | Nm | 9 | |
BA49.10-P-1041-01AE | Screw/bolt, exhaust gas recirculation line clamp to catalytic converter | Nm | 9 | |
Housing
Number | Designation | Transmission | Trans-mission 722.9 | ||
BA27.40-P-1008-01A | Screw/bolt, automatic transmission to engine | M1040 | Nm | 39 | 38 |
M1090 | Nm | 39 | 38 | ||
M12 | Nm | - | - | ||
Complete manual transmission
Frame floor assembly
Number | Designation | Model 212 | ||
BA61.10-P-1006-01H | Screw/bolt, mount for rear diagonal strut bracket on body | Nm | 60 | |
Repair materials
Number | Designation | Order number |
BR00.45-Z-1002-06A | Antifriction paste, rubber parts 2.5 kg, DB supply specification 6867.00 | A 000 989 01 60 |