Remove/install coolant thermostat - AR20.10-P-2460H
ENGINE 275 in MODEL 215, 216, 220, 221, 230
ENGINE 285 in MODEL 240
| Remove/install | |||
| Risk of injury
to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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 | |
| 1 | Drain coolant from radiator | AR20.00-P-1142H | |
| Notes on coolant | AH20.00-N-2080-01A | ||
| 2 | Remove air shutoff valve | AR14.30-P-7200H | |
| 3 | Remove coolant line (1) from housing top section (6) and place to one side | ||
| *BA20.10-P-1005-01C | |||
| *BA20.10-P-1006-01C | |||
| 4 | Screw out bolt (4), remove temperature probe for coolant (B11/4) with holder from upper part of housing (6) and lay it to one side | ||
| *BA20.10-P-1003-01C | |||
| 5 | Unscrew bolts (5) and remove upper part of housing (6) | ||
| *BA20.10-P-1003-01C | |||
| 6 | Remove coolant thermostat (8) from housing top section (6) | ||
| 7 | Install in the reverse order | ||
| Checking | |||
| 8 | Inspect cooling system for leaks | Model 215, 220, 230, 240 | AR20.00-P-1010HA |
| Model 216, 221 | AR20.00-P-1010SX | ||
| Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. |
AS00.00-Z-0005-01A | |
| 9 | Conduct engine test run and check engine for leaks |
| Number | Designation | Engine 137, 275 | Engine 285 | ||
|---|---|---|---|---|---|
| BA20.10-P-1003-01C | Bolt, coolant thermostat housing | M6 | Nm | 15 | 15 |
| BA20.10-P-1005-01C | Bolt, coolant line on housing of coolant thermostat | M6 | Nm | 8 | 8 |
| BA20.10-P-1006-01C | Bolt connecting coolant line to cylinder head | M6 | Nm | 8 | 8 |