Remove/Install Coolant Thermostat - AR20.10-P-2461MFG
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Engine 139 in model 118, 177, 247
MODIFICATION NOTES
| 18.09.2023 | Work procedure adapted. | Operation step 6, 7. |
Shown on model 177
| 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. | AS20.00-Z-0001-01A | |
| Wear protective gloves, protective clothing and safety glasses. | |||
| Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Notice | Notes on coolant | AH20.00-P-2080-01KOA | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| Remove/install | |||
| 1 | Drain off coolant. | AR20.00-P-1142MFG | |
| 2 | Remove right engine mount. | AR22.10-P-1102MFG | |
| 3 | Remove front section of fender liner in right front wheel arch. | AR88.10-P-1301MFA | |
| 4 | Remove coolant hose (4) from coolant pipe (3). | AR20.20-P-7441-01RQ | |
| Fig 2 | |||
| 5 | Remove the rear engine support. | AR22.10-P-4360MFG | |
| 6 | Unscrew screws from heat shield (5), remove heat shield (5) and push to side. | *BA22.10-P-1002-02E | |
| 7 | Unscrew screws (2), remove coolant pipe (3) and push to side. | AR20.20-P-7441-01RQ | |
| *BA20.10-P-1008-01AC | |||
| Fig 2 | |||
| 8 | Remove screws (6) and remove coolant thermostat (1). | ||
| *BA20.10-P-1006-01AC | |||
| 9 | Clean sealing surfaces. | Do not use any sharp-edged tools or abrasive paper. The sealing surfaces can be damaged otherwise. |
|
| Loctite 7063 (400 ml) cleaning spray | *BR00.45-Z-1046-04A | ||
| 10 | Install in the reverse order. | ||
| 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 | |
| 11 | Carry out engine test run and check engine for proper operation and leak tightness. | ||
| 12 | Install front section of fender liner in right front wheel arch. | AR88.10-P-1301MFA |
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | Engine 139 | |
|---|---|---|---|
| BA20.10-P-1006-01AC | Bolt, coolant thermostat to crankcase/cylinder head | Nm | 8 |
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | Engine 139 | ||
|---|---|---|---|---|
| BA20.10-P-1008-01AC | Screw, coolant line to coolant pipe/cylinder head/crankcase/coolant thermostat/coolant hose/timing case | M6 | Nm | 8 |
ENGINE SUPPORT (ENGINE SIDE)
| Number | Designation | Engine 139 | ||
|---|---|---|---|---|
| BA22.10-P-1002-02E | Bolt, heat shield to engine carrier/crankcase/oil pan/cylinder head | M6 | Nm | 8 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1046-04A | Loctite 7063 (400 ml) cleaning spray | A 001 986 71 71 09 |