1 | Coolant thermostat |
2 | Coolant hose |
3 | Coolant hose |
4 | Coolant hose |
5 | Bolts |
6 | Bolts |
7 | Screw |
8 | Coolant hose |
R48 | Coolant thermostat heating element |
P20.10-A068-06
Warning | 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. | |
Topical note | Information on preventing damage to electronic components due to electrostatic discharge | ||
Topical note | Notes on avoiding damage through contamination and foreign objects | ||
Topical note | Notes on coolant | ||
| Remove/install | ||
1 | Remove charge-air distributor. | ||
Installation: Only install upper engine cover after the leak test. | |||
2 | Drain off coolant. | ||
Installation: Only install lower engine compartment paneling after leak test. | |||
3 | Remove coolant hose (2) from coolant thermostat (1). | Hose clamp pliers | |
4 | Remove coolant hose (3) from coolant thermostat (1). | ||
5 | Remove coolant hose (4) from coolant thermostat(1). | ||
6 | Release and disconnect electrical connector of coolant thermostat heating element (R48). | ||
7 | Remove screws (5) and place bleed line to one side. | Screw, bleed line/bleed valve to coolant thermostat | |
8 | Remove screw/bolts (6). | Screw, coolant line to coolant pipe/cylinder head/crankcase/coolant thermostat/coolant hose/timing case | |
9 | Remove screws_(7). | Bolt, coolant thermostat to crankcase/cylinder head | |
10 | Remove coolant thermostat (1) from crankcase. | Installation: Replace sealing ring. | |
11 | Remove coolant hose (8) from coolant thermostat (1) and remove coolant thermostat (1). | Hose clamp pliers | |
12 | Install in the reverse order. | ||
Warning | 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. | |
13 | Perform engine test run. While doing so, check engine for proper operation and leak tightness. |
454 589 00 37 00
Hose clamp pliers