Engines Z16XE/Z18XE
2. Warm up the engine to operating (approximately 80°С) temperature.
3. Stop the engine, cock the parking brake lever.
4. Disconnect a wire from the negative plug of the storage battery. Hang the car using a lift or place it on stands.
5. Remove the multirib belt.
6. Disconnect the oil pressure sensor wiring connector (see illustration).
15.6 Sensor (1) oil pressure (engines Z16XE/Z18XE)
7. Loosen the alternator bracket by removing the 3 bolts and nut, and slide the alternator back.
8. Substitute a suitable container to collect the oil, unscrew the pressure sensor and replace it with a pressure gauge.
9. Reinstall the alternator and multi-ribbed belt, tighten the fasteners to the required torque. Lower the car and connect the battery.
10. Start the engine and let it idle.
11. Check the oil pressure with the engine running. If the pressure in the system is below the standard, it is necessary to check the lubrication system for leaks, if necessary, replace the oil pump.
12. At the end of the check, reinstall the pressure sensor with a new seal and tighten to the required torque.
Z20NET engine
13. The test procedure is the same as for Z16XE/Z18XE engines. There is no need to disconnect the battery, remove the multi-ribbed belt and move the alternator. The engine oil pressure sensor is shown on resist. illustrations.
15.13 Connector (2) sensor wiring (1) engine oil pressure (Z20NET engine)
Engines Z22SE/Z22YH
14. The test procedure is similar to that described for Z16XE/Z18XE engines. There is no need to remove the multirib belt and move the alternator.
Z32SE engine
15. To access the engine oil pressure sensor, just remove the multirib belt cover.
Y20DTH/Y22DTR/ Z19DT engines
16. To access the oil pressure sensor, it is necessary to remove the engine crankcase protection.
Y30DT engine
17. To access the engine oil pressure sensor, you must remove the multirib belt and the air conditioning compressor.
Attention! Never open the lines of the air conditioning system!
Removal and installation of the engine oil level sensor
1. This procedure is not particularly difficult. Sensor (with appropriate equipment) installed on the crankcase. Before filling this operation, it is necessary to drain the oil, disconnect the electrical wiring connector, as a rule, remove the oil pan and remove the sensor (mounting may be different depending on the engine model).
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