Remove/Install Coolant Pump - AR20.10-P-1271MRS
Engine 274 in model 205.048/049/148/248/348/349/448/449
Engine 274 in model 212 except code 924 (Bivalent natural gas drive)
Engine 274 in model 218
Engine 274 in model 253.349/948/949
MODIFICATION NOTES
| 18.05.2016 | Screw/bolt, coolant line feed line/return line to ATL | BA09.40-P-1009-01U | |
| 18.05.2016 | Screw/bolt, coolant return flow line to cylinder head | BA09.40-P-1011-01U |
Shown on engine 274 in model 212, 218
Shown on engine 274 in model 205, 253
| Remove/install | |||
| 1 | Drain off coolant | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
AR20.00-P-1142LW |
| Model 212 with engine 274 except code 924 (Bivalent natural gas drive) Model 218 with engine 274 |
AR20.00-P-1142MR | ||
| 2 | Remove air intake pipe | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
AR09.10-P-8131MRA |
| Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
AR09.10-P-8131MRS | ||
| 3 | Remove poly-V belt | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
AR13.20-P-0001MRA |
| Model 212 with engine 274 except code 924 (Bivalent natural gas drive) Model 218 with engine 274 |
AR13.20-P-0001MRS | ||
| 4 | Loosen clamp (1) and detach coolant hose (2) on connection fitting for coolant pump (5) | Fig 3 | |
| 5 | Place coolant hose (2) to one side and fasten outside the working area | ||
| 6 | Detach heat shield on right engine support | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) | AR22.10-P-1260MR |
| Engine 274 in model 218 | AR22.10-P-4320MR | ||
| 7 | Remove screw (3s) | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
|
| 8 | Remove screw/bolt (6s) | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
|
| 9 | Remove screw/bolt (4s), detach coolant line (3) at coolant pump (5) and place to one side | ||
| 10 | Release clamp (7) | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
|
| 11 | Remove coolant hose (8) from coolant pump (5), unclip from bracket (9) and place to one side | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
|
| 12 | Detach coolant hose (11) to exhaust gas recirculation cooler and place to one side | Engine 274 in model 205.048/049/148/248/348/349/448/449 with code 920 (Direct petrol injection with stratified charging) Engine 274 in model 212 with code 920 (Direct petrol injection with stratified charging) except code 924 (Bivalent natural gas drive) Engine 274 in model 218 with code 920 (Direct petrol injection with stratified charging) Engine 274 in model 253.349/948/949 with code 920 (Direct petrol injection with stratified charging) |
|
| 13 | Remove coolant lines for ATL | AR09.40-P-6020-14MR | |
| 14 | Detach vacuum hose (6) from vacuum unit for coolant pump (5) | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
|
| 15 | Remove screw/bolts of heat shield of the vacuum unit at the coolant pump (5) | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
|
| 16.1 | Remove screw/bolts (5s) and detach coolant pump (5) with heat shield (10) at crankcase | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
|
| 16.2 | Remove screw/bolts (5s) and detach coolant pump (5) at crankcase | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
|
| 17 | Take out coolant pump (5) | ||
| Install | |||
| 18 | Detach heat shield (10) at the vacuum unit | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 When installing a new coolant pump (5). |
|
| 19 | Press in bar (12) of vacuum unit to the end stop and close off the vacuum fitting (13) using a suitable stop plug | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
|
| 20.1 | Attach coolant pump (5) with heat shield (10) at crankcase and position heat shield | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
|
| 20.2 | Attach coolant pump (5) to crankcase | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
|
| 21 | Screw in screw/bolts (5s) of coolant pump (5) | *BA20.10-P-1001-01AC | |
| 22 | Screw in screw/bolts of heat shield (10) of the vacuum unit at the coolant pump (5) | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
|
| 23 | Remove stop plug from vacuum fitting (13) | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
|
| 24 | Mount vacuum hose (6) at vacuum unit for coolant pump (5) | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
|
| 25 | Mount coolant lines for ATL | AR09.40-P-6020-14MR | |
| *BA09.40-P-1011-01U | |||
| *BA09.40-P-1010-01U | |||
| *BA09.40-P-1009-01U | |||
| 26 | Fit coolant hose (11) to exhaust gas recirculation cooler | Engine 274 in model 205.048/049/148/248/348/349/448/449 with code 920 (Direct petrol injection with stratified charging) Engine 274 in model 212 with code 920 (Direct petrol injection with stratified charging) except code 924 (Bivalent natural gas drive) Engine 274 in model 218 with code 920 (Direct petrol injection with stratified charging) Engine 274 in model 253.349/948/949 with code 920 (Direct petrol injection with stratified charging) |
|
| 27 | Mount coolant hose (8) at coolant pump (5) and clip into the bracket (9) | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
|
| 28 | Fasten clamp (7) | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
Fig 3 |
| 29 | Mount coolant line (3) on coolant pump (5) and screw in screw/bolt (4s) | *BA20.10-P-1003-01AC | |
| 30 | Screw in screw (6s) | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
*BA20.20-P-1002-01E |
| 31 | Screw in screw/bolt (3s) | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
*BA20.10-P-1007-01AC |
| 32 | Mount heat shield to right engine support | Engine 274 in model 212 except code 924 (Bivalent natural gas drive) |
AR22.10-P-1260MR |
| Engine 274 in model 218 | AR22.10-P-4320MR | ||
| 33 | Mount coolant hose (2) on connection fitting of coolant pump (5) and fasten clamp (1) | Fig 3 | |
| 34 | Mount poly-V belt | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
AR13.20-P-0001MRA |
| Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
AR13.20-P-0001MRS | ||
| 35 | Mount air intake pipe | Engine 274 in model 205.048/049/148/248/348/349/448/449 |
AR09.10-P-8131MRA |
| Engine 274 in model 253.349/948/949 Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
AR09.10-P-8131MRS | ||
| 36 | Pour in coolant and ventilate engine cooling system | AR20.00-P-1142-04A | |
| Fig 2 | |||
| Fig 5 | |||
| Fig 1 | |||
| Fig 4 | |||
| Check | |||
| 37 | Check engine cooling system for leaktightness | Engine 274 in model 205.048/049/148/248/348/349/448/449 Engine 274 in model 253.349/948/949 |
AR20.00-P-1010LW |
| Engine 274 in model 212 except code 924 (Bivalent natural gas drive) Engine 274 in model 218 |
AR20.00-P-1010MR | ||
| 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 | |
| 38 | Perform an engine test run, check engine cooling system for proper operation and leaktightness |
TURBOCHARGER
| Number | Designation | Engine 274 | ||
|---|---|---|---|---|
| BA09.40-P-1009-01U | Bolt, coolant feed/return line to turbocharger | Stage 1 | Nm | 8 |
| Stage 2 | ∠° | 60 | ||
TURBOCHARGER
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA09.40-P-1010-01U | Bolt, coolant line feed line to water pump | Nm | 9 |
TURBOCHARGER
| Number | Designation | Engine 274 | ||
|---|---|---|---|---|
| BA09.40-P-1011-01U | Bolt, coolant return flow line to cylinder head | Stage 1 | Nm | 8 |
| Stage 2 | ∠° | 60 | ||
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA20.10-P-1001-01AC | Screw, coolant pump to timing case/crankcase/oil pan | Nm | 20 |
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA20.10-P-1003-01AC | Bolt, feed pipe to coolant pump | Nm | 10 |
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | Engine 274 | ||
|---|---|---|---|---|
| BA20.10-P-1007-01AC | Bolt, coolant pipe to crankcase/timing case | M8 | Nm | 20 |
RADIATOR, COOLANT HOSES
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA20.20-P-1002-01E | Bolt, coolant line to coolant pump | Nm | 9 |