Remove/Install Left Water-Cooled Charge Air Cooler - AR09.41-P-6827MNO
Engine 176 In Model 167
| 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 pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. | AS20.00-Z-0001-01A | |
| 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 | |
| Topical note | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Topical note | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Remove left air filter housing. | AR09.10-P-1151MNO | |
| 2 | Remove right air filter housing. | AR09.10-P-1152MNO | |
| 3 | Drain coolant of low-temperature circuit. | AR09.41-P-6834MNO | |
| 4 | Remove upper expansion reservoir low-temperature circuit. | AR09.41-P-0050MNO | |
| 5 | Remove fan unit. | AR20.40-P-5050MNO | |
| 6 | Attach protective plate for radiator unit. | ||
| WF58.50-P-0110-01A | |||
| 7 | Remove hoses (1). | Fig 2 | |
| 8 | Remove coolant hoses (2) from charge air cooler (4, 5) on left and right. | ||
| 9 | Remove coolant hose (3) from charge air cooler (5). | Fig 2 | |
| 10 | Unclip coolant hose (6) from cable duct. | ||
| 11 | Unclip coolant line (7) from bracket (8). | ||
| 12 | Remove holder (8). | *BA09.41-P-1015-01X | |
| 13 | Remove coolant line (9). | Fig 2 | |
| 14 | Release and disconnect electrical connectors (10, 11, 12, 13, 14). | ||
| 15 | Unclip coolant hoses (15) at cable duct. | ||
| 16 | Remove screw (16). | *BA15.18-P-1001-01G | |
| 17 | Remove screws (17), move engine wiring harness towards rear and fix in place. | *BA15.18-P-1001-01G | |
| 18 | Release, disconnect purge line (18) and seal openings with suitable stop plugs. | Fig 3 | |
| 19 | Release and disconnect electrical connector (19). | ||
| 20 | Remove purge lines (20) at separation points and seal openings with suitable stop plugs. | Fig 3 | |
| 21 | Unclip purge lines (20) from bracket. | ||
| 22 | Remove bolts (21). | *BA09.41-P-1006-01X | |
| 23 | Remove bracket (22). | ||
| 24 | Remove screws (23) and remove bracket. | *BA09.41-P-1006-01X | |
| 25 | Release clamp (24) of boot at right throttle valve actuator (M16/61). | *BA09.41-P-1002-01X | |
| 26 | Release clamp (25) of boot at left throttle valve actuator (M16/60). | *BA09.41-P-1002-01X | |
| 27 | Release clamps (26) of charge air hoses at charge air coolers (4, 5) on left and right. | *BA09.41-P-1002-01X | |
| 28 | Release left clamp at boot (27) and slide in direction of right charge air cooler (4). | Fig 2 | |
| 29 | Carefully pry charge air coolers (4, 5) out of elastomer bearings. | ||
| 30 | Release and disconnect electrical connector of left throttle valve actuator (M16/60). | ||
| 31 | Remove left charge air cooler (5) upwards. | *BR00.45-Z-1010-06A | |
| Check | |||
| 32 | Check elastomer bearings of left charge air cooler (5) for damage. | If problems exist, ↓ Replace relevant elastomer bearing(s). |
|
| 33 | Remove left throttle valve actuator (M16/60). | When replacing left charge air cooler (5). | AR07.51-P-1402MNO |
| 34 | Remove pressure sensor upstream of left throttle valve (B28/20). | When replacing left charge air cooler (5). | AR09.41-P-1020MNO |
| 35 | Install in the reverse order. | ||
| Check | |||
| 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 | |
| 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 hazard area. | AS49.00-Z-0001-01A | |
| 36 | Perform engine test run. While doing so, check engine for proper operation and leak tightness. |
CHARGE AIR LINE/CHARGE AIR COOLING
| Number | Designation | Engine 176 | |
|---|---|---|---|
| BA09.41-P-1002-01X | Bolt, clamp for charge air hose to charge-air distributor | Nm | 6 |
CHARGE AIR LINE/CHARGE AIR COOLING
| Number | Designation | Engine 176 | |
|---|---|---|---|
| BA09.41-P-1006-01X | Bolt, upper charge air cooler bracket to charge air cooler/chain case cover | Nm | 9 |
CHARGE AIR LINE/CHARGE AIR COOLING
| Number | Designation | Engine 176 | |
|---|---|---|---|
| BA09.41-P-1015-01X | Screw, coolant line holder to low-temperature circuit expansion reservoir at bottom | Nm | 6 |
ENGINE WIRING HARNESS
| Number | Designation | Engine 176 | |
|---|---|---|---|
| BA15.18-P-1001-01G | Bolt, engine wiring harness to cylinder head cover | Nm | 9 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1010-06A | Lubricant, rubber assembly 1 L | A 000 989 03 67 |