Remove/install exhaust gas recirculation positioner - AR14.20-P-1020GZB
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ENGINE 642 in MODEL 164, 251
ENGINE 642 in MODEL 207, 212, 218 without CODE 927 (EU6 emissions standard)
MODIFICATION NOTES
| 26.9.14 | coolant mixing ratio | BF20.00-P-1001-04A |
Shown on model 211
| Remove/install | |||
| 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 | ||
| 1 | Removes strut tower brace | MODEL 164.8 | |
| AR62.30-P-2500GY | |||
| 2 | Remove partition wall between wheel wells | MODEL 251 | |
| AR62.30-P-2400RT | |||
| 3 | Remove engine cover | MODEL 164, 207, 212, 218, 251 | |
| MODEL 164 | AR01.10-P-2405GZB | ||
| MODEL 251 |
AR01.10-P-2405RTB | ||
| 4 | Remove left-hand air filter housing | Model 251 with coolant cooled exhaust gas recirculation actuator (Y27/9) | AR09.10-P-1150RTB |
| MODEL 164.1/8 | AR09.10-P-1150GZB | ||
| 5 | Carefully open cap for the coolant system | For a water-cooled exhaust gas recirculation actuator (Y27/9) | |
| 6 | Remove coolant hose on exhaust gas recirculation actuator (Y27/9) | For a water-cooled exhaust gas recirculation actuator (Y27/9) |
|
| 7 | Disconnect electrical connection on left exhaust gas recirculation actuator (Y27/9) | ||
| 8 | Remove screw/bolt (1) | *BA14.20-P-1002-01G | |
| 9 | Remove left exhaust gas recirculation actuator (Y27/9) upwards | ||
| 10 | Install in the reverse order | ||
| 11 | Reset lambda values with diagnostic system | When replacing the exhaust gas recirculation actuator (Y27/9) | |
| AD00.00-P-2000-04A | |||
| 12 | Pour coolant into expansion reservoir | ||
| Notes on coolant level | AH20.00-P-1142-01TI | ||
| *BF20.00-P-1001-04A | |||
| 13 | ENGINE TEST RUN | ||
| 14 | Correct coolant level in the expansion reservoir and check cooling system for leaktightness | MODEL 164, 251 | AR20.00-P-1010GZB |
| MODEL 207 | AR20.00-P-1010CW | ||
| MODEL 212, 218 | AR20.00-P-1010OMA |
EXHAUST GAS RECIRCULATION
| Number | Designation | ENGINE 642.82/83/85/86/87/886/9 | |
|---|---|---|---|
| BA14.20-P-1002-01G | Bolt, exhaust gas recirculation positioner to charge air distribution line | Nm | 12 |
COOLANT MIXING RATIO
| Number | Designation | ENGINE ALL | ||
|---|---|---|---|---|
| BF20.00-P-1001-04A | Coolant mixing ratio | Antifreeze/water | up to -37°C | 50/50 |
| Antifreeze/water | up to -45°C | 55/45 | ||
| Specification | Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |||
| Specification | Anticorrosion/antifreeze agents (Specification 325.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |||