Remove/Install Rear Cover On Cylinder Head - AR01.30-P-5702MSC
Engine 256.9 In Model 167
MODIFICATION NOTES
| 05.09.2019 | Operation step version added | Operation steps 6.1, 6.2 |
| 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 | |
| Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil | Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers. |
AS18.00-Z-0001-01A | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Remove air filter housing. | AR09.10-P-1150MSC | |
| 2 | Remove engine air intake duct downstream of air filter. | AR09.10-P-8130MSC | |
| 3 | Remove front noise insulation. | ||
| 4 | Remove wide open throttle bleed line from oil separator. | AR01.20-P-9750MSC | |
| 5 | Remove rear noise insulation. | ||
| 6.1 | Remove charge air line. | Engine 256.9 In Model 167 except code M016 (Uprated engine) |
AR09.41-P-8950MSC |
| 6.2 | Remove the check valve. | Engine 256.9 In Model 167 with code M016 (Uprated engine) | AR09.41-P-8970MSC |
| 7 | Remove screws (2) and place vacuum line to one side. | *BA01.30-P-1003-01MR T | |
| 8 | Remove screw (3) and place bracket to one side. | *BA07.03-P-1004-01MR T | |
| 9 | Release and disconnect the electrical connections (4). | ||
| 10 | Unclip electric line (5) from rear cover (1) and place to one side. | ||
| 11 | Remove the screws (6) in reverse order from the tightening procedure. | Bolt plan | AR01.30-P-5702-05MRT |
| *BA01.30-P-1001-01MR T | |||
| 12 | Remove rear cap (1). | Sealing surfaces will otherwise be damaged. |
|
| 13 | Remove adjustment solenoid of exhaust camshaft (Y49/2). | When installing new rear cap (1). | AR05.20-P-7306MSC |
| 14 | Remove adjustment solenoid of intake camshaft (Y49/1). | When installing new rear cap (1). | AR05.20-P-7305MSC |
| Clean | |||
| 15 | Clean sealing surfaces of the rear cap (1) and cylinder head. | Sealing surfaces will otherwise be damaged. Loctite 7063 (400 ml) cleaning spray |
*BR00.45-Z-1046-04A |
| Loctite 7200 | *BR00.45-Z-1038-04A | ||
| Check | |||
| 16 | Check sealing surfaces of the rear cap (1) cylinder head for damage. | and If damage is present, ↓ Replace corresponding component. |
AR01.30-P-5800MSC |
| 17 | Install in the reverse order. | ||
| Concluding tasks | |||
| 18 |
Check engine oil level and correct. | AP18.00-P-1812SKI | |
| 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 danger zone. | AS49.00-Z-0001-01A | |
| 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 | |
| 19 | Perform engine test run. While doing so, check engine for proper operation and leak tightness. | ||
| 20 | Install upper engine cover. | AR01.10-P-2405MSC |
CYLINDER HEAD
| Number | Designation | Engine 256.9 | |
|---|---|---|---|
| BA01.30-P-1001-01MRT | Screw, chain case cover to cylinder head/camshaft housing | Nm | 8 |
CYLINDER HEAD
| Number | Designation | Engine 256.9 | |
|---|---|---|---|
| BA01.30-P-1003-01MRT | Screw, vacuum line bracket to chain case cover on cylinder head | Nm | 8 |
HIGH-PRESSURE LINE, LOW-PRESSURE LINE, FUEL DISTRIBUTOR
| Number | Designation | Engine 256.9 | |
|---|---|---|---|
| BA07.03-P-1004-01MRT | Bolt, holder for high-pressure line to camshaft housing/cylinder head | Nm | 8 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1038-04A | Loctite 7200 | A 010 989 90 71 |
| BR00.45-Z-1046-04A | Loctite 7063 (400 ml) cleaning spray | A 001 986 71 71 09 |