Remove/Install Coolant Temperature Sensor - AR15.60-P-2712MNB
Engine 178 In Model 190
MODIFICATION NOTES
| 19.08.2020 | Operation steps added. | Operation steps 2.2, 4 |
| 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 | |
| Topical note | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Topical note | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Open hood. | AR88.40-P-1000RG | |
| 2.1 | Remove upper Engine cover. | Engine 178 in model 190 (except 190.381) | |
| 2.2 | Remove Engine cover. | Engine 178.9 in model 190.381 with code M032 (Black Series version) |
|
| AP01.10-P-2405-01GT | |||
| 3 | Drain off coolant. | Engine 178.9 in model 190.381 | AR20.00-P-1142MNJ |
| Engine 178 in model 190 (except 190.381) | AR20.00-P-1142MNB | ||
| 4 | Remove charge air hose (4). | Engine 178.9 in model 190.381 | |
| Fig 3 | |||
| 5 | Remove intake manifold (5). | *BA01.20-P-1003-01J | |
| 6 | Remove boot (6) from exhaust gas turbocharger and place to one side. | *BA01.20-P-1003-01J | |
| 7 | Release electrical connector (1) and disconnect. | ||
| 8 | Remove screw (2). | *BA07.04-P-1002-01Q | |
| 9 | Remove coolant temperature sensor (B11/4) with retaining plate (3) in upward direction. | ||
| Fig 2 | |||
| 10 | Remove retaining plate (3). | When replacing the coolant temperature sensor (B11/4). | |
| 11 | Install in the reverse order. | ||
| 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 hazard area. | 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 | |
| 12 | Perform Engine test run. While doing so, check Engine for proper operation and leak tightness. |
CRANKCASE VENTILATION SYSTEM, CYLINDER HEAD COVER
| Number | Designation | Engine 178 | |
|---|---|---|---|
| BA01.20-P-1003-01J | Clamp, boot to exhaust gas turbocharger/air filter | Nm | 1, 5 |
SENSORS
| Number | Designation | Engine 178 | |
|---|---|---|---|
| BA07.04-P-1002-01Q | Bolt, temperature sensor bracket to crankcase | Nm | 9 |