Replace the coolant temperature sensor on a cold engine as follows:
- turn off the ignition and disconnect the wire «masses» from the storage battery;
- drain 4 liters of coolant from the cooling system;
Pic. 7.11. Location of coolant temperature sensor (ECT) on models up to 2001
- disconnect the electrical connector from the ECT sensor and unscrew the sensor (pic. 7.11).
Handle the sensor very carefully, as damage to it will lead to failure of the fuel injection system.
Install in the reverse order of removal. Before installation, wrap the sensor threads with Teflon tape to prevent corrosion and leakage.