Shown on model 117 |
1 | Charge air intake manifold |
2 | Vent valve |
3 | Wide open throttle bleed line |
4 | Purge line |
7 | Vent line |
B28/5 | Pressure sensor downstream of air filter |
R39/2 | Full-load operation vent line heater element |
P01.20-2357-06
Shown on model 117 |
2 | Vent valve |
3 | Wide open throttle bleed line |
4 | Purge line |
5 | Partial load bleed line |
6 | Oil separator |
6s | Screw |
7 | Vent line |
Y58/2 | Partial load operation crankcase ventilation valve |
P01.20-2358-06
| Remove/install | ||
1 | Open engine hood | ||
2 | Detach ground line from battery | ||
3 | Detach upper engine cover | ||
4 | Detach purge line (4) from charge air intake manifold (1) and throttle valve actuator connecting flange and set aside | Installation: Check sealing ring and replace if necessary. | |
5 | Disconnect electrical line at pressure sensor downstream of air filter (B28/5) | ||
6 | Disconnect electrical line at wide open throttle vent line heater element (R39/2) | ||
7 | Detach, unclip bleed line (7) from charge air intake manifold (1) and place to one side | ||
8 | Disconnect electrical line at wastegate from turbocharger | ||
9 | Unfasten charge air intake manifold (1) between turbocharger and air filter housing on both sides | ||
10 | Detach compensating ring on turbocharger | Installation: Exchange of the compensating ring should take place in the cleaned fitting of the charge air intake manifold (1) and not be pushed onto the fitting of the turbocharger. The inside diameter of the compensating ring as well as the fitting of the turbocharger must be wet well with lubricant before assembly. Also the fitting for the air filter must be lightly wet with lubricant. | |
Installation: The compensating ring must be replaced after every disassembly. | |||
Lubricant | |||
11 | Remove lower engine compartment paneling | ||
12 | Disconnect electrical line actuation at A/C compressor | ||
13 | Disconnect electrical connection on alternator | ||
14 | Unclip electrical line for oxygen sensor from holders and disconnect | ||
15 | Unclip alternator wiring harness and A/C compressor and set aside | ||
16 | Remove right front axle shaft | ||
17 | Remove heat shield over steering | ||
18 | Remove heat shield over front axle carrier | ||
19 | Remove heat shield over front axle shaft on the right | ||
20 | Disconnect electrical connection at front axle level sensor | Vehicles with xenon headlamps. | |
21 | Remove lower engine stabilizer mount | ||
22 | Remove support for lower engine hinged support | Bolt, support to crankcase | |
23 | Disconnect electrical line at partial load crankcase ventilation system valve (Y58/2) | ||
24 | Unclip partial load crankcase ventilation system valve holder (Y58/2) from charge air intake manifold (1) | ||
25 | Detach partial load vent line (5) at charge air intake manifold (1) | Check clamp and replace if necessary. | |
26 | Unclip vent lines (3, 5, 7) from holders | Installation: Ensure correct seating of the vent lines (3, 5, 7) in the holders and on the charge air intake manifold (1). | |
27 | Remove screw/bolts (6s) and oil separator (6) together with charge air intake manifold (1); remove the vent lines (3, 5, 7) upwards | Installation: Replace seals on oil separator (6). | |
The charge air intake manifold (1), the vent line (3, 5, 7) create a unit together with the oil separator (6) and must also not be disconnected. If one of the components has suffered damage, the complete unit should be exchanged. | |||
Bolt, oil separator to crankcase | |||
28 | Install in the reverse order | ||
29 | Read out fault memory using the diagnostic system and clear if necessary | ||
| |||
Danger ! | 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. | |
30 | Carry out engine test run and check engine for leaktightness while it is running |
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