Remove/Install Charge Air Cooler, Water-Cooled - AR09.41-P-6819RKA
ENGINE 276.8 in model 172
ENGINE 276.8 in model 231
Shown on engine 276.8 in model 231
Fig 1: Charge Air Cooler, Water-Cooled Components Location - Engine 276.8 In Model 172 (Shown In Model 231)
| 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 | |
| Notes on coolant | AH20.00-N-2080-01A | ||
| Remove/install | |||
| 1 | Remove fan unit | ENGINE 276.8 in model 172 | AR20.40-P-5050WA |
| 2 | Drain coolant from low-temperature circuit | AR09.41-P-6834RKA | |
| 3 | Remove right and left charge air pipe | AR09.41-P-1311RKA | |
| 4 | Detach retaining clamps of left and right oil line at charge air cooler bracket | ENGINE 276.8 in model 172 with transmission 725 | AR27.55-P-0600WA |
| 5 | Loosen clamp (5) | ||
| 6 | Detach coolant hoses on coolant connections (2) | AR20.20-P-7441-01RQ | |
| 7 | Detach vent line (4) on charge air cooler (3) | ||
| 8 | Release and disconnect electrical line from charge air temperature sensor (B17/8) | ||
| 9 | Release and disconnect electrical line at pressure sensor upstream of throttle valve (B28/6) | ||
| 10 | Unclip retaining clamp (1), and pull charge air cooler (3) to the front and remove | ||
| 11 | Pull charge air cooler (3) up and out | ||
| 12 | Detach boot (6) from charge air cooler (3) | When replacing the charge air cooler (3). | |
| 13 | Remove charge air temperature sensor (B178) | When replacing the charge air cooler (3). | |
| 14 | Detach pressure sensor upstream of throttle valve (B28/6) | When replacing the charge air cooler (3). | |
| 15 | Detach A/T oil lines holder from charge air cooler | When replacing the charge air cooler (3). | |
| 16 | Install in the reverse order | ||
| Check | |||
| 17 | Check low-temperature circuit for leaktightness | AR09.41-P-1010RKA | |
| 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 | |
| 18 | Carry out an engine test run, checking the engine for proper operation and leaktightness |