Remove/install coolant pump - AR20.10-P-1271ELB
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE 157, 278 in MODEL 212, 218
ENGINE 278 in MODEL 207
MODIFICATION NOTES
| 15.7.13 | Tightening procedure for coolant pump, added | Operation step 9 | AR20.10-P-1280-01KH |
| Remove/install | |||
| 1 | Remove fan unit | MODEL 207 | AR20.40-P-5050CW |
| MODEL 212, 218 | AR20.40-P-5050EL | ||
| 2 | Remove poly-V belt | AR13.20-P-0001ELB | |
| 3 | Remove coolant thermostat (2) | AR20.10-P-2460ELB | |
| 4 | Remove charge air ducts | AR09.41-P-8620ELB | |
| 5 | Remove upper guide pulley on timing case cover | AR13.20-P-0001ELB | |
| 6 | Remove guide pulleys (3, 5) on oil filter housing and on coolant pump (1) | AR13.20-P-0001ELB | |
| 7 | Detach lower section of the coolant line to the low temperature-circuit expansion reservoir on timing case cover and on the lower bracket | Vehicles with code (139) Measures for engine cooling M157/M278 | |
| AR20.20-P-7442ELB | |||
| 8 | Detach turbocharger coolant lines to coolant pump (1) | Vehicles with code (139) Measures for engine cooling M157/M278 | AR20.20-P-7443ELB |
| Vehicles without code (139) Measures for engine cooling M157/M278 |
AR20.20-P-7440ELB | ||
| 9 | Remove screw/bolts for coolant pump (1) | Coolant pump tightening procedure | AR20.10-P-1280-01KH |
| Bolt plan for coolant pump |
AR20.10-P-1271-03MMB | ||
| *BA20.10-P-1001-01W | |||
| 10 | Remove coolant pump (1) from timing case cover | ||
| Clean | |||
| 11 | Clean sealing surfaces on coolant pump (1) and timing case cover | AR01.00-P-0050-01A | |
| Loctite 7200 | *BR00.45-Z-1038-04A | ||
| Loctite 7063 cleaning spray (150 ml) | *BR00.45-Z-1046-04A | ||
| 12 | Install in the reverse order | ||
| 13 | Check cooling system for leaktightness | MODEL 207 | AR20.00-P-1010FH |
| MODEL 212, 218 | AR20.00-P-1010EL | ||
| 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 | |
| 14 | Conduct engine test run and check coolant pump (1) for leaktightness |
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | ENGINE 157 | ENGINE 278 | |||
|---|---|---|---|---|---|---|
| BA20.10-P-1001-01W | Bolt, coolant pump to timing case cover/cylinder crankcase | M7 | Stage 1 | Nm | 2 | 5 |
| Stage 2 | Nm | 14 | 14 | |||
| M8 | Stage 1 | Nm | 20 | 10 | ||
| Stage 2 | Nm | - | 20 | |||
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1038-04A | Loctite 7200 | Henkel Loctite Deutschland GmbH |
| BR00.45-Z-1046-04A | Loctite 7063 cleaning spray (150 ml) | A 001 986 71 71 10 |