Remove/install coolant pump - AR20.10-P-1271SX
ENGINE 272, 273 in MODEL 221
ENGINE 273 in MODEL 216
MODIFICATION NOTES
| 27.2.12 | Reference to modified version of poly-V belt, added | Operation step 3.1, 3.2 | BT13.20-P-1000-01SXH |
| Remove/install | |||
| 1 | Switch off ignition | ||
| 2 | Drain coolant at radiator | AR20.00-P-1142SX | |
| Notes on coolant | AH20.00-N-2080-01A | ||
| 3.1 | Remove poly-V belt (1) and guide pulley (2, 3) | ENGINE 272 in MODEL 221 Vehicles with a single-belt pulley | |
| AR13.20-P-0001SX | |||
| V-belt version modified | BT13.20-P-1000-01SXH | ||
| 3.2 | Remove both poly-V belts | ENGINE 272.974 in MODEL 221.095/195 Vehicles a twin-belt pulley | |
| AR13.22-P-1202SXH | |||
| V-belt version modified | BT13.20-P-1000-01SXH | ||
| 4 | Remove alternator | MODEL 221.095/195 with ENGINE 272.974 | AR15.40-P-5032SXH |
| 5 | Detach alternator bracket from timing case cover and coolant pump (5) | MODEL 221.095/195 with ENGINE 272 | |
| *BA15.40-P-1010-01F | |||
| 6 | Pry off electrical feed line retaining clamp (4) from coolant pump (5) | MODEL 216 with ENGINE 273 MODEL 221 (except 221.095/195) with ENGINE 272, 273 |
|
| 7 | Detach coolant hose (6) from coolant pump (5) | ||
| 8 | Remove screw/bolts and coolant pump (5) from timing case cover | Bolt plan for coolant pump |
AR20.10-P-1271-03VA |
| *BA20.10-P-1001-01U | |||
| *BA20.10-P-1002-01U | |||
| Clean | |||
| 9 | Clean sealing surfaces on coolant pump (5) and timing case cover with a rag | ||
| 10 | Install in the reverse order | ||
| 11 | Check cooling system for leaktightness | AR20.00-P-1010SX | |
| 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 | |
| 12 | Conduct engine test run and check coolant pump (5) for leaktightness |
ALTERNATOR
| Number | Designation | ENGINE 272 | |
|---|---|---|---|
| BA15.40-P-1010-01F | Bolt, alternator bracket to timing case cover/coolant pump | Nm | 20 |
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | ENGINE 272 | ENGINE 273 | |||
|---|---|---|---|---|---|---|
| BA20.10-P-1002-01U | Bolt, coolant pump to cylinder crankcase | M8 | Stage 1 | Nm | 5 | 5 |
| Stage 2 | Nm | 20 | 20 | |||
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | ENGINE 272 | ENGINE 273 | |||
|---|---|---|---|---|---|---|
| BA20.10-P-1001-01U | Self-tapping bolt connecting coolant pump to timing case cover | M7 | Stage 1 | Nm | 10 | 10 |
| Stage 2 | Nm | 25 | 25 | |||