Set Basic Position Of Camshafts - AR05.20-P-6020MNA
Engine 176 in model 463
up to model year 2019
Engine 177 in model 205
Engine 178 in model 190
Shown on left cylinder head
| 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 avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove | |||
| 1 | Remove left cylinder head cover. | Engine 178 in model 190 (except 190.381) | AR01.20-P-5013MNB |
| Engine 178.9 in model 190.381 | AR01.20-P-5013MNJ | ||
| Engine 176 in model 463 up to model year 2019 Engine 177 in model 205 multimedia:A supplement to the article is available.
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AR01.20-P-5013MNA | ||
| 2 | Remove right cylinder head cover. | Engine 178 in model 190 (except 190.381) | AR01.20-P-5012MNB |
| Engine 178.9 in model 190.381 | AR01.20-P-5012MNJ | ||
| Engine 176 in model 463 up to model year 2019 Engine 177 in model 205 |
AR01.20-P-5012MNA | ||
| 3 | Check size on camshaft and select correct special tool. | AR05.20-P-6027-01SZ | |
An incorrect repair right up to engine damage will otherwise occur. |
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| Fig 3 | |||
| Fig 1 | |||
| 4 | Install brackets (1, 2, 3). | AR05.20-P-6020-03MNE | |
| Fig 3 | |||
| Fig 1 | |||
| 5 | 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. | AR01.10-P-1000-01SZ | |
Engine damage right up to engine failure can otherwise occur. |
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| Fig 6 | |||
| Fig 4 | |||
| Fig 2 | |||
| 6 | Remove secondary chain drive chain tensioners on left and right. | Otherwise damage will occur. |
AR05.10-P-7800MNA |
| 7 | Insert holding device (6) between the camshaft positioners (7) and tighten. | AR05.20-P-6027-01SZ | |
| Fig 3 | |||
| Fig 1 | |||
| 8 | Release camshaft positioners (7) from camshafts and remove with holding device (6) | AR05.20-P-7204MNA | |
| Adjust | |||
| 9 | Turn camshafts in the basic position. | AR05.20-P-6027-01SZ | |
| Fig 5 | |||
| Fig 7 | |||
| 10 | Install forks (5). | AR05.20-P-6027-01SZ | |
Otherwise damage or incorrect timing will occur. |
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Otherwise damage or incorrect timing will occur. |
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| Fig 4 | |||
| Fig 1 | |||
| Fig 5 | |||
| Fig 7 | |||
| Install | |||
| 11 | Position camshaft positioners (7) on camshafts, tighten control valves slightly by hand and loosen by 1/4 revolution. | AR05.20-P-7204MNA | |
| 12 | Install bracket (4). | AR05.20-P-6027-01SZ | |
| Fig 3 | |||
| Fig 1 | |||
| 13 | Check that tensioning rails of secondary chain drive are seated centrally and position if necessary. | ||
| 14 | Install left and right secondary chain drive chain tensioners. | AR05.10-P-7800MNA | |
| 15 | Insert holding device (6) between the camshaft positioners (7) and tighten. | AR05.20-P-6027-01SZ | |
| Fig 3 | |||
| Fig 1 | |||
| 16 | Tighten control valves of camshaft positioners (7). | AR05.20-P-7204MNA | |
| 17 | Remove holding device (6)./ | AR05.20-P-6027-01SZ | |
| Fig 3 | |||
| Fig 1 | |||
| 18 | Remove forks (5)./ | AR05.20-P-6027-01SZ | |
| Fig 3 | |||
| Fig 1 | |||
| 19 | Remove drift from belt pulley. | AR01.10-P-1000-01SZ | |
| Fig 2 | |||
| 20 | Turn engine at center bolt of the crankshaft through two revolutions, place engine on cylinder 1 at 40° KW after ignition TDC of cylinder 1 and mark with a drift. | AR01.10-P-1000-01SZ | |
Engine damage right up to engine failure can otherwise occur. |
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| Fig 6 | |||
| Fig 4 | |||
| Fig 2 | |||
| 21 | Install forks (5). | AR05.20-P-6027-01SZ | |
Otherwise the timing will be off. |
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| Fig 3 | |||
If forks (5) cannot be installed without force application: ↓ Set basic position of camshafts again. |
Fig 1 | ||
| 22 | Remove forks (5). | AR05.20-P-6027-01SZ | |
| Fig 3 | |||
| Fig 1 | |||
| 23 | Remove drift from belt pulley. | AR01.10-P-1000-01SZ | |
| Fig 2 | |||
| 24 | Remove holder (4). | AR05.20-P-6027-01SZ | |
| Fig 3 | |||
| Fig 1 | |||
| 25 | Remove brackets (1, 2, 3). | AR05.20-P-6020-03MNE | |
| Fig 3 | |||
| Fig 1 | |||
| 26 | Install right cylinder head cover. | Engine 178 in model 190 (except 190.381) | AR01.20-P-5012MNB |
| Engine 178.9 in model 190.381 | AR01.20-P-5012MNJ | ||
| Engine 176 in model 463 up to model year 2019 Engine 177 in model 205 |
AR01.20-P-5012MNA | ||
| 27 | Install left cylinder head cover. | Engine 178 in model 190 (except 190.381) | AR01.20-P-5013MNB |
| Engine 178.9 in model 190.381 | AR01.20-P-5013MNJ | ||
| Engine 176 in model 463 up to model year 2019 Engine 177 in model 205 |
AR01.20-P-5013MNA | ||
| 28 | Connect diagnostic system and perform initialization of timings. | ||
| Engine 176 in model 463 up to model year 2019 | AD00.00-P-2000-04A | ||
| Engine 177 in model 205 Engine 178 in model 190 |
AD00.00-P-2000-04B |