Remove/Install Camshaft Positioner Of Left Cylinder Bank - AR05.20-P-7208MNL
Engine 176 in model 217, 222
MODIFICATION NOTES
| 19.07.2022 | Document adapted to changed repair method. |
| Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | AS00.00-Z-0009-01A | |
| 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 | 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 | |||
| 1 | Remove left cylinder head cover. | AR01.20-P-5013MNL | |
| 2 | Check size on camshaft and select correct special tool. | An incorrect repair right up to engine damage will otherwise occur. |
AR05.20-P-6027-01SZ |
| Fig 1 | |||
| Fig 2 | |||
| 3 | Install brackets (1, 2, 3). | AR05.20-P-6020-03MNE | |
| Fig 2 | |||
| Fig 1 | |||
| 4 | Turn engine at center bolt of the crankshaft through two revolutions, place engine on cylinder 1 at 400 KW after ignition TDC of cylinder 1 and mark with a drift. | Otherwise, damage to the engine or even failure of the engine may occur. |
AR01.10-P-1000-01SZ |
| Fig 5 | |||
| Fig 3 | |||
| Fig 4 | |||
| 5 | Install aligners (5). | Otherwise, damage and incorrect timing occur |
AR05.20-P-6027-01SZ |
| Fig 2 | |||
| Fig 1 | |||
| 6 | Remove drift from the marking bore of the belt pulley. | AR01.10-P-1000-01SZ | |
| Fig 4 | |||
| 7 | Position holding device (6) between both camshaft positioners (7) and install. | AR05.20-P-6027-01SZ | |
| Fig 2 | |||
| Fig 1 | |||
| 8 | Release control valves of the camshaft positioners (7). | Fig 2 | |
| Fig 1 | |||
| Fig 6 | |||
| 9 | Remove left chain tensioner of the secondary chain drive. | Otherwise, damage occurs. |
AR05.10-P-7803MNL |
| 10 | Take out holding device (6). | AR05.20-P-6027-01SZ | |
| Fig 2 | |||
| Fig 1 | |||
| 11 | Remove control valves of the camshaft positioners (7). | Fig 6 | |
| 12 | Raise secondary chain drive timing chain and remove camshaft positioners (7) from camshafts. | ||
| Install | |||
| 13 | Raise secondary chain drive timing chain and attach camshaft positioners (7) to the camshafts. | ||
| 14 | Wet threads and bolt head contact surface of control valves with engine oil. | ||
| Specified engine oils for Cars, Vans (service) - Overview | BB00.40-P-0223-02A | ||
| 15 | Screw in control valves of the camshaft positioners (7) slightly by hand and loosen by a 1/4 revolution. | Fig 6 | |
| Fig 2 | |||
| Fig 1 | |||
| 16 | Install bracket (4) on left cylinder head. | AR05.20-P-6027-01SZ | |
| Fig 2 | |||
| Fig 1 | |||
| 17 | Position tensioning rail centrally on the guide pin. | ||
| 18 | Install left chain tensioner of the secondary chain drive. | AR05.10-P-7803MNL | |
| 19 | Install holding device (6) between the camshaft positioners (7) and tighten. | AR05.20-P-6027-01SZ | |
| Fig 1 | |||
| Fig 2 | |||
| 20 | Tighten control valves of the camshaft positioners (7). | *BA05.20-P-1003-02C | |
| Fig 6 | |||
| Fig 2 | |||
| Fig 1 | |||
| 21 | Remove holding device (6) between camshaft positioners (7). | AR05.20-P-6027-01SZ | |
| Fig 1 | |||
| Fig 2 | |||
| 22 | Remove aligners (5). | AR05.20-P-6027-01SZ | |
| Fig 2 | |||
| Fig 1 | |||
| 23 | Turn engine at center bolt of the crankshaft through two revolutions, place engine on cylinder 1 at 400 KW after ignition TDC of cylinder 1 and mark with a drift. | Otherwise, damage to the engine or even failure of the engine may occur. |
AR01.10-P-1000-01SZ |
| Fig 5 | |||
| Fig 3 | |||
| Fig 4 | |||
| 24 | Install aligners (5). | Otherwise, damage and incorrect timing occur |
AR05.20-P-6027-01SZ |
| Fig 2 | |||
If aligners (5) cannot be installed without force application ↓ Set basic position of camshafts again. |
Fig 1 | ||
| AR05.20-P-6020MNL | |||
| 25 | Remove aligners (5). | AR05.20-P-6027-01SZ | |
| Fig 2 | |||
| Fig 1 | |||
| 26 | Remove drift from belt pulley. | AR01.10-P-1000-01SZ | |
| Fig 4 | |||
| 27 | Remove brackets (1, 2, 3). | AR05.20-P-6020-03MNE | |
| Fig 2 | |||
| Fig 1 | |||
| 28 | Remove holder (4). | AR05.20-P-6027-01SZ | |
| Fig 1 | |||
| Fig 2 | |||
| 29 | Install left cylinder head cover. | AR01.20-P-5013MNL | |
| 30 | Connect diagnostic system and perform initialization of timings. | ||
| AD00.00-P-2000-04B |
CAMSHAFT, CAMSHAFT ADJUSTMENT
| Number | Designation | Engine 176 | ||
|---|---|---|---|---|
| BA05.20-P-1003-02C | Control valve of pulse wheel/camshaft positioner to camshaft | Stage 1 | Nm | 18 |
| Stage 2 | ∠° | 45 | ||