Remove/Install Right Circulation Pump For Low-Temperature Circuit - AR09.41-P-6931SC
Engine 176 in model 223
Fig 1: Right Circulation Pump For Low-Temperature Circuit Components Location - Engine 176 In Model 223
| 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 overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notice | Notes on coolant | AH20.00-P-2080-01KOA | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Remove bottom engine compartment lining at front and center. | AR61.20-P-1105S | |
| 2 | Disconnect coolant hoses (1). | Fig 3 | |
| 3 | Remove coolant hoses (1) from coolant pump (M75/2) and collect escaping coolant with suitable container. | AR20.20-P-7441-01RQ | |
| 4 | Release and disconnect the electrical connector (2). | ||
| 5 | Remove retaining clip (3) from bracket of coolant pump (M75/2). | Fig 2 | |
| 6 | Unscrew screw (4), remove bracket and remove coolant pump (M75/2). | ||
| 7 | Install in the reverse order. | ||
| Concluding tasks | |||
| 8 | Check coolant level, correct if necessary. | *BF20.00-P-1001-02MA | |
| 9 | Connect vehicle diagnosis system and switch on ignition. | ||
| AD00.00-P-2000-06FR | |||
| 10 | Start bleeding routine of low-temperature coolant circuit. | If the bleeding routine was not completed successfully: ↓ Repeat bleeding routine of low-temperature coolant circuit. |
|
| 11 | Switch off ignition and disconnect diagnostic system. | ||
| AD00.00-P-2000-06FR | |||
| 12 | Check coolant level, correct if necessary. | *BF20.00-P-1001-02MA | |
| Risk of burn injuries , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust. | Wear protective clothing and safety glasses. Use the extraction system. Move people out of the danger zone. | AS49.00-Z-0001-01A | |
| 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 | |
| 13 | Perform engine test run. While doing so, check engine for proper operation and leak tightness. |
COOLING SYSTEM
| Number | Designation | Model 223 with engine 176 | |||
|---|---|---|---|---|---|
| BF20.00-P-1001-02MA | Cooling system | Workshop replacement amount | Main circuit | Liter | ≈15, 2 |
| Low-temperature circuit | Liter | ≈2, 3 | |||
| Antifreeze/water | to -37°C | % | 50/50 | ||
| Specifications | BB00.40-P-0310-01A | ||||
| Specifications | BB00.40-P-0325-06A | ||||
| Specifications | BB00.40-P-0326-06A | ||||
| as from -38°C | % | 55/45 | |||