Engine cooling and vehicle heating Mercedes 190 (W201)
Technical data System type 4 cylinder gasoline engines - High pressure system, with crossflow or downflow radiator, radiator fan driven by accessory drive belt with electromagnetic...
Basic information and precautions The cooling system is a forced circulation thermo-siphon type pressurized system, consisting of a radiator, water pump, electromagnetic radiator fan, expansion tank and...
Coolant hoses — disconnect and replace 1. The number, layout and type of hoses will vary depending on the model. However, the basic principles will be the same. Before starting work, purchase new hoses of the...
Radiator — removal, inspection and installation Removing 1. Contact Chapter 1 and drain the coolant. 2. Loosen the clamps and disconnect the upper, lower and, where required, the overflow hose from the radiator (see...
Thermostat — removal, inspection and installation Removing 1. The thermostat is housed in a housing that bolts to the side of the water pump. 2. Disconnect the negative cable from the battery. Drain the cooling system...
Radiator fan — removal and installation Fan with thermoviscous gearing Removing Note: On petrol models, this operation requires the use of a special tool to secure the radiator fan pulley to the fan support...
Water pump — removal and installation Models with 4-cylinder petrol engines 1. Disconnect the negative terminal of the modulator. Drain the liquid from the cooling system. 2. Remove the radiator fan and...
Air Conditioning System — Basics and Precautions The air conditioning system is fitted as standard on late high specification models and as an option on some lower specification models. In combination with a heater,...