P49.10-3227-09
Shown on model 222 exhaust system with 276.8 engine with code 472 (gasoline particulate filter) |
2 | Left catalytic converter | 12 | Clip | 30 | Elastomer bearing | ||
3 | Right catalytic converter | 13 | Clip | 55 | Nuts | ||
10 | Bolts | 22 | Bracket |
P49.10-3035-09
Shown on exhaust system for model 222 with engine 157 |
2 | Left catalytic converter | 11 | Clip | 22 | Bracket | ||
3 | Right catalytic converter | 12 | Clip | ||||
10 | Bolts | 13 | Clip |
Shown on exhaust system with 278 engine from production date 2016-7-1 |
2 | Left catalytic converter |
3 | Right catalytic converter |
14 | Bolts |
15 | Bolts |
24 | Bracket |
P49.10-3166-11
Shown on the exhaust system for engine 279 |
2 | Left catalytic converter |
3 | Right catalytic converter |
16 | Bolts |
17 | Clamps |
P49.10-3167-05
Warning | 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. | |
Danger | Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. | |
Caution | 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. | |
Topical note | Notes on threaded connections fastened using a tightening angle-based tightening process | ||
Topical note | Notes on avoiding damage through contamination and foreign objects | ||
Topical note | Notes on self-locking nuts and bolts | ||
| Remove | ||
1 | Remove rear center and middle lower engine compartment paneling |
| |
Engine 157, 276.8, 278, 279 in model 217 | |||
2 | Release electrical connection for left oxygen sensor upstream of left catalytic converter (2), disconnect and unclip electrical line |
| |
Engine 276.8 in model 217, 222 | |||
Engine 157, 278 in model 217, 222 | |||
Engine 277, 279 in model 222 | |||
3 | Release electrical connection for left oxygen sensor upstream of left catalytic converter (2), disconnect and unclip electrical line |
| |
Engine 276.8 in model 217, 222 | |||
Engine 157, 278 in model 217, 222 | |||
Engine 277, 279 in model 222 | |||
4 | Release electrical connection for right oxygen sensor upstream of right catalytic converter (3), disconnect and unclip electrical line |
| |
Engine 157 in model 222 | |||
Engine 277, 279 in model 222 | |||
5 | Release electrical connection for right oxygen sensor downstream of right catalytic converter (3), disconnect and unclip electrical line |
| |
Engine 157 in model 222 | |||
Engine 277, 279 in model 222 | |||
6.1 | Support left catalytic converter (2) and right catalytic converter (3) and secure against falling down | Engine 157, 276.8, 278, 279 in model 217 | |
Aid of helper required. | |||
6.2 | Support the left-hand catalytic converter (2) and secure it against falling down | Engine 276.8 in model 222 | |
Aid of helper required. | |||
7 | Remove the elastomer bearing (30) at the left-hand catalytic converter (2) | Engine 276.8 in model 222 | |
8.1 | Unscrew the screws (14) of the left-hand catalytic converter (2) and the right-hand catalytic converter (3) | Engine 157, 276.8, 278, 279 in model 217 | |
8.2 | Unscrew the screws (14) of the left-hand catalytic converter (2) | Engine 276.8 in model 222 | |
9.1 | Loosen the screw (15) of the left-hand catalytic converter (2) and the screws (15) of the right-hand catalytic converter (3) | Engine 278 in model 217 as of 7/1/16 | |
9.2 | Loosen the screws (15) of the left-hand catalytic converter (2) | Engine 276.8 in model 222 | |
9.3 | Loosen the screws (15) of the left-hand catalytic converter (2) and the screws on the right-hand catalytic converter (3) | Engine 157, 276.8, 279 in model 217 | |
10.1 | Unscrew the screws (10) of the left-hand catalytic converter (2) and the screws of the right-hand catalytic converter (3) | Engine 157 in model 222 | |
10.2 | Unscrew the screws (10) of the left-hand catalytic converter (2) | Engine 276.8 in model 222 | |
10.3 | Remove screws/bolts (16) and remove clamps (17) | Engine 277, 279 in model 222 | |
11.1 | Loosen clamps (12, 13) and push back | Engine 157, 276.8, 278, 279 in model 217 | |
11.2 | Loosen the clamp (13) and push it towards the rear | Engine 276.8 in model 222 | |
12 | Unscrew the nuts (55) of the fastening plate, remove the fastening plate | Engine 276.8 in model 222 | |
13.1 | Remove the left-hand catalytic converter (2) and right-hand catalytic converter (3) from the bracket (22) towards the bottom | Engine 157, 276, 278, 279 in model 217 | |
Aid of helper required. | |||
13.2 | Remove the left-hand catalytic converter (2) from the bracket (22) towards the bottom | Engine 276.8 in model 222 | |
Aid of helper required. | |||
14 | Unfasten clamp (11) and push it | Engine 157, 277, 279 in model 222 | |
15 | Disconnect left (2) from right CAT (3) | Engine 157, 277, 279 in model 222 | |
16 | Remove the gasket of the separation point at the clamp (12) after the right-hand catalytic converter (3) | Engine 157, 276.8, 278, 279 in model 217 | |
| Install | ||
17 | Check elastomer bearings of bracket (22) for damage | If damage is present | |
| |||
Replace bracket (22). | |||
Engine 157, 276.8, 278, 279 in model 217Screw/bolt, bracket for elastomer bearing for front exhaust system to rear engine support | |||
Engine 157, 276.8/9, 277, 278, 279 in model 222Bolt, bracket for elastomer bearing for front exhaust system to rear engine support | |||
18 | Check the elastomer bearings (30) for damage | Engine 276.8 in model 222 | |
If damage is present | |||
| |||
Replace the elastomer bearing (30). | |||
19 | Convert the vibration absorber of the left-hand catalytic converter (2) | Engine 276.9 in model 222 | |
M8 | |||
20 | Remove combustion and corrosion residue at the connections | ||
21 | Replace the seal of the separation point at the clamp (12) after the right-hand catalytic converter (3) | Engine 157, 276.8, 278, 279 in model 217 | |
22 | Mount left CAT (2) on right CAT (3) | Engine 157, 277, 279 in model 222 | |
23.1 | Modify bracket (24) of left catalytic converter (2) | Engine 157, 277, 279 in model 222 | |
23.2 | Convert the brackets (23, 24) of the left-hand catalytic converter (2) and right-hand catalytic converter (3) | Engine 276.8 in model 222 | |
24 | Position clamp (11) and tighten screw/bolt of clamp (11) on the right CAT (3) flange connection slightly by hand | Engine 157, 277, 279 in model 222 | |
25.1 | Install and support the left-hand catalytic converter (2) and right-hand catalytic converter (3) on the bracket (22) | Engine 157, 276.8, 278, 279 in model 217 | |
Aid of helper required. | |||
Lubricant, rubber assembly 1 l | |||
25.2 | Install and support the left-hand catalytic converter (2) on the bracket (22) | Engine 276.8 in model 222 | |
Aid of helper required. | |||
Lubricant, rubber assembly 1 l | |||
26 | Install the elastomer bearing (30) on the left-hand catalytic converter (2) | Engine 276.8 in model 222 | |
Lubricant, rubber assembly 1 l | |||
27 | Lightly tighten screw/bolts (14) by hand | ||
28 | Lightly tighten screw/bolts (15) by hand | ||
29.1 | Position clamps (12, 13) and tighten screw/bolts of clamps (12, 13) slightly by hand | Engine 157, 276.8, 278, 279 in model 217 | |
29.2 | Position the clamp (13) and slightly tighten the screw on the clamp (13) by hand | Engine 276.8 in model 222 | |
30.1 | Slightly tighten screw/bolts (10) by hand | Engine 157, 276.8, 278 in model 217 | |
30.2 | Position clamps (17) and tighten screw/bolts (16) slightly by hand | Engine 277, 279 in model 222 | |
31 | Position the fastening plate and nuts (55) and slightly tighten by hand | Engine 276.8 in model 222 | |
32 | Check installation position and unobstructed movement of exhaust system, align if required | ||
33.1 | Tighten screw/bolts (10) | Engine 157, 276.8, 278 in model 217 | |
Engine 157, 276.8/9, 278 in model 222Bolt, front exhaust system to exhaust line | |||
Engine 157, 276.8, 278 in model 217Bolt, front exhaust system to exhaust line | |||
33.2 | Fully tighten screw/bolts (16) | Engine 277, 279 in model 222 | |
Engine 277, 279 in model 222Clamp, front exhaust system to turbocharger | |||
Engine 279 in model 217Screw/bolt, front exhaust system clamp to turbocharger | |||
34 | Fully tighten screw/bolts (14) | Engine 157 in model 217 | |
Engine 279 in model 217Screw/bolt, front exhaust system bracket to transmission and crankcase | |||
Engine 157 in model 222 | |||
Engine 277 in model 222 | |||
35.1 | Tighten the screws (15) of the left-hand catalytic converter (2) and the screws of the right-hand catalytic converter (15) | Engine 278 in model 217 as of 7/1/16 | |
Engine 278 in model 222 as of 7/1/16 | |||
Engine 278 in model 217 as of 7/1/16Bolt to front exhaust system bracket | |||
35.2 | Tighten the screws (15) of the left-hand catalytic converter (2) | Engine 276.8 in model 222 | |
Engine 276.8 in model 222 | |||
35.3 | Tighten the screws (15) of the left-hand catalytic converter (2) and the screws of the right-hand catalytic converter (3) | Engine 157, 276.8, 279 in model 217 | |
Engine 157, 277, 279 in model 222 | |||
Engine 157, 276.8, 279 in model 217 | |||
36.1 | Tighten the clamp (13) | Engine 276.8 in model 222 | |
Bolt, clamp for front/center/rear exhaust system | |||
36.2 | Tighten the clamps (12, 13) | Engine 157, 276.8, 278, 279 in model 217 | |
Engine 157 in model 222 | |||
Engine 157 in model 217 | |||
37 | Tighten the clamp (11) | Engine 157, 277, 279 in model 222 | |
Engine 157, 277, 279 in model 222Bolt, clamp for front/center/rear exhaust system | |||
Engine 157, 279 in model 217Bolt, clamp for front/center/rear exhaust system | |||
38 | Tighten the nuts (55) | Engine 276.8 in model 222 | |
Nut to mounting plate | |||
39 | Route electrical line of the left oxygen sensor upstream of left CAT (2); assemble and lock electrical connection |
| |
Engine 276.8 in model 217, 222 | |||
Engine 157, 278 in model 217, 222 | |||
Engine 277, 279 in model 222 | |||
40 | Route electrical line of the left oxygen sensor downstream of left CAT (2); assemble and lock electrical connection |
| |
Engine 276.8 in model 217, 222 | |||
Engine 157, 278 in model 217, 222 | |||
Engine 277, 279 in model 222 | |||
41 | Route electrical line of the right oxygen sensor upstream of right CAT (3); assemble and lock electrical connection |
| |
Engine 157 in model 217 | |||
Engine 277, 279 in model 222 | |||
42 | Route electrical line of the right oxygen sensor downstream of right CAT (3); assemble and lock electrical connection |
| |
Engine 157 in model 222 | |||
Engine 277, 279 in model 222 | |||
Warning | 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. | |
43 | Perform an engine test run; check engine for functionality and exhaust system for leaktightness | ||
44 | Install lower rear and center engine compartment paneling |
| |
Engine 157, 276.8, 278, 279 in model 217 |
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