Checking the level and changing the coolant
- Make
- Alfa Romeo
- Model
- 145/146 Factory Service Manual
- Year
- 1994–1999
- Section
- Maintenance › Checking the level and changing the coolant
- Burnt electrodes: overheating due to unsuitable fuel, defects in the valves;
- High electrode wear: harmful additives in the fuel or in the oil, pinging in the cylinder head, overheating.
- When installing, lubricate the thread with engine oil and tighten the spark plugs to the following torque:
| 25 ÷ 30 Nm 2.5 ÷ 3.1 kgm |
CHECKING THE LEVEL AND CHANGING THE COOLANT
Checking
- With the engine cold, check that the level of the coolant in the header tank is between the MIN and MAX marks.
Draining and replenishing
- Set the car on a lift.
- Slacken and remove the header tank plug.
WARNING: Absolutely never remove the header tank plug when the engine is warm!
- Raise the car.
- Slacken the two plugs under the crankcase and drain the coolant into a suitable recipient.
WARNING: The anti-freeze mixture used as coolant can harm the paintwork: therefore avoid any contact with painted components.
17 ÷ 21 Nm, 1.7 ÷ 2.1 kgm
- Refit the drain plugs and check that all the fastening clamps of the engine cooling system hoses are firmly tightened.
- Fill the header tank up to the MAX mark.
The type and indicative quantity of the coolant are given in the table below:
| Alfa Romeo Climafluid Permanent -40°C | 6.7 litres |
- Start the engine and bring it to normal operating temperature so that the thermostat opens to release the amount of residual air in the circuit.
- With the engine cold, top up to the level indicated on the header tank.
- Retighten the pressurised cap on the header tank.
WARNING: It is unwise to mix anti-freeze fluids of different types or brands!
Never use antirust additives: this might not be compatible with the anti-freeze in use!.
Parts & tools for this job For 1994 Alfa Romeo 145/146
- FLUIDCoolantSearch: Alfa Romeo coolant antifreeze
- PARTThermostatSearch: Alfa Romeo 145/146 1994 thermostat
- TOOLCooling system pressure testerSearch: cooling system pressure tester
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