Remove/install charge air ducts- AR09.41-P-8620MMB
ENGINE 157, 278 in MODEL 216, 221
| Remove/install | ||||
| Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, liftgates or sliding roof. | keep body parts and limbs well clear of moving parts. | AS00.00-Z-0011-01A | ||
| 1 | Remove engine covers | |||
| 2 | Loosen clamp between upper charge air duct (1l, 1r) and air filter housing (4) | The boot between upper charge air duct (1l, 1r) and air filter housing remains on the air filter housing (4) | ||
| 3 | Loosen clamp between upper charge air duct (1l, 1r) and turbocharger | The boot between turbocharger and upper charge air duct (1l, 1r) remains on the upper air duct (1l, 1r) | ||
| 4 | Remove bolt for upper charge air duct (1l, 1r) on cylinder head cover | *BA09.40-P-1008-01R | ||
| 5 | Remove upper charge air duct (1l, 1r) | plug openings | Fig 3 | |
| 6 | Remove air filter housing (4) | |||
| 7 | Remove engine oil cooling oil lines from oil filter housing and lay to the side outside the working area | Engine 157 | ||
| Seal openings using stop plugs. | ||||
| Installation: replace sealing rings and clean connection area of the oil lines. | Fig 2 | |||
| 8 | Loosen clamp between lower charge air duct (2l, 2r) and charge air cooler (6) | The boot between lower charge air duct (2l, 2r) and charge air cooler (6) remains on the charge air cooler (6) | ||
| 9 | Loosen clamp between lower charge air duct (2l, 2r) and turbocharger | The boot between lower charge air duct (2l, 2r) and turbocharger remains on the turbocharger. | ||
| 10.1 | Remove bolts for right lower charge air duct (2r) from cylinder head | When removing the right lower charge air duct (2r) | *BA09.40-P-1008-01R | |
| 10.2 | Remove bolts for left lower charge air duct (2l) from cylinder head and oil filter housing | When removing the left lower charge air duct (2r) | *BA09.40-P-1008-01R | |
| 11 | Remove lower charge air duct (2l, 2r) | Plug openings, | Fig 3 | |
| Checking | ||||
| 12 | Check boot and rubber seal for cracks or damage and replace if necessary | |||
| 13 | Check clamps for damage and replace as necessary. | |||
| 14 | Install in the reverse order | |||
| Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | ||
| 15 | Carry out engine test run, checking the engine for proper operation and leaks. | |||
TURBOCHARGER
| Number | Designation | Engine 157 | Engine 278 | |
|---|---|---|---|---|
| BA09.40-P-1008-01R | Bolt, charge air manifold to front cover/oil filter housing/ cylinder head/ cylinder head cover | Nm | 9 | 9 |