Removing the thermostat unit
- Make
- Alfa Romeo
- Model
- 145/146 Engines, 146 Bodywork and Engine Overhaul Manual
- Year
- 1994–2001
- Section
- Overhauling › Removing the thermostat unit
Engine overhaul: 1.7 16V Boxer (AR33401)Removing the thermostat unit
- Slacken the screws fastening the fuel manifold support brackets and remove it complete with injectors, pulse damper and pressure regulator.
- Retrieve the cable and hose support bracket.
- Retrieve the engine lifting brackets.
Removing the thermostat unit
- Disconnect the coolant outlet hoses from the intakes.
- Disconnect the thermostat unit connection pipe from the pump coolant inlet union.
- Slacken the fastening screw and remove the thermostat unit complete with hoses.
Removing the idle air distributor
- Disconnect the oil vapour recirculation pipe from the separator.
- Disconnect the additional air hoses for idle speed from the intakes.
- Slacken the fastening screw and remove the idle air distributor complete with hoses.
Removing the brackets
- Slacken the fastening screws and remove the power steering pump support bracket.
- Slacken the fastening screws and remove the alternator support bracket.
- Slacken the fastening screws and remove the water pump inlet union and conditioner compressor support; retrieve the seal.
20 ÷ 24 Nm
2.0 ÷ 2.5 kgm
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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