Remove/Install Camshaft Housing With Camshafts - AR05.20-P-6997MSC
Engine 256.9 In Model 167
MODIFICATION NOTES
| 03.03.2020 | Bolt, camshaft housing to cylinder head | Engine 256 | BA05.20-P-1001-04MRT |
| 13.05.2020 | Check camshaft housing (7) with camshafts for damage. | Operation step 19. | |
| 16.07.2020 | Bolt, camshaft housing to cylinder head | BA05.20-P-1001-04MRT |
| Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil 1 | 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 threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Remove rear cover from cylinder head. | AR01.30-P-5702MSC | |
| 2 | Move camshafts to basic position. | AR05.20-P-6010MSC | |
| 3 | Mark off the camshaft positioners with locking pins. | Fig 2 | |
| 4 | Remove ignition coils. | AR15.12-P-2003MSC | |
| 5 | Remove rail with fuel injectors for cylinders 1, 2, 3. | AR07.03-P-1053MSC | |
| 6 | Remove rail with fuel injectors for cylinders 4, 5, 6. | AR07.03-P-1054MSC | |
| 7 | Remove full load bleed line. | AR01.20-P-0020MSC | |
| 8 | Remove high-pressure line. | AR07.03-P-1003MSC | |
| 9 | Remove electrical wiring harness from cylinder head cover. | ||
| 10 | Remove screws (20) and place cable duct (19) to one side. | *BA15.18-P-1002-01MRT | |
| 11 | Release and disconnect electrical connectors at potential distributor (18). | ||
| 12 | Remove screw (17) and remove potential distributor (18). | *BA15.18-P-1003-01MRT | |
| 13 | Remove ground line from camshaft housing (7). | *BA15.18-P-1001-01MRT | |
| 14 | Remove heat shield from camshaft housing (7). | *BA00.10-P-1002-04A | |
| 15 | Remove the camshaft's fixing device. | Fig 1 | |
| 16 | Unscrew screws (30) in reverse sequence to the tightening sequence. | Tightening procedure of camshaft housing with camshafts | AR05.20-P-6997-01MRT |
Do not release bolts (D). Otherwise the camshafts will be displaced. |
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| *BA05.20-P-1001-04MRT | |||
| 17 | Install locating tool of the camshafts. | Fig 1 | |
| 18 | Remove the camshaft housing (7). | ||
| Notes on the application of sealing compound of the camshaft case | AH05.20-P-6995-02BK | ||
| Sealant, Loctite 5970, 50 ml | *BR00.45-Z-1013-01A | ||
| Check | |||
| 19 | Check camshaft housing (7) with camshafts for damage. | ||
| General information on checking camshafts and bearing points of camshafts | AH05.20-P-1000-09SZ | ||
| If there is a problem: ↓ Replace camshaft housing (7) with camshafts. |
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| 20 | Remove cylinder head cover from camshaft housing (7). | When replacing the camshaft housing (7). | |
| AR01.20-P-5019MSC | |||
| Clean | |||
| 21 | Clean sealing surfaces on cylinder head and camshaft housing (7). | Do not use any sharp-edged tools or abrasive paper. Sealing surfaces will otherwise be damaged. |
|
| Loctite 7200 | *BR00.45-Z-1038-04A | ||
| Loctite 7063 (400 ml) cleaning spray | *BR00.45-Z-1046-04A | ||
| 22 | Install in the reverse order. | ||
| Check | |||
| 23 | Check engine oil level and correct. | ||
| AP18.00-P-1812SKI |
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143
| Number | Designation | 8.8 | 10.9 | |
|---|---|---|---|---|
| BA00.10-P-1002-04A | M6X1 | Nm | 9 | 13 |
CAMSHAFT CASE
| Number | Designation | Engine 256 | ||
|---|---|---|---|---|
| BA05.20-P-1001-04MRT | Bolt, camshaft housing to cylinder head | Stage 1 | Nm | 1 |
| Stage 2 | Nm | 6 | ||
| Stage 3 | Nm | 6 | ||
| Stage 4 | ∠° | 90 | ||
12 V ON-BOARD ELECTRICAL SYSTEM ENGINE WIRING HARNESS
| Number | Designation | Engine 256 | |
|---|---|---|---|
| BA15.18-P-1001-01MRT | Screw, engine wiring harness ground line to camshaft housing | Nm | 8 |
12 V ON-BOARD ELECTRICAL SYSTEM ENGINE WIRING HARNESS
| Number | Designation | Engine 256 | |
|---|---|---|---|
| BA15.18-P-1002-01MRT | Screw, engine wiring harness cable duct to camshaft housing | Nm | 8 |
12 V ON-BOARD ELECTRICAL SYSTEM ENGINE WIRING HARNESS
| Number | Designation | Engine 256 | |
|---|---|---|---|
| BA15.18-P-1003-01MRT | Screw, engine wiring harness potential distributor to camshaft housing | Nm | 8 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1013-01A | Sealant, Loctite 5970, 50 ml | A 003 989 98 20 10 |
| 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 |