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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 3 (2003 release)

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Mazda 3
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Mazda
3
Operation and maintenance of car
Engine
General description new engines models L8, LF, L3
The mechanical part of engines
Appendix 1
Annex 2
Appendix 3
Engine Z6 - mechanical part
Lubrication system
Checking oil pressure
Replacing the engine oil
Installing the oil filter
Removing and installing oil pan
Removal and installation of the oil pump
Dismantling, check and assemblage of the oil pump
Cooling system
Intake system
Fuel system
Exhaust and Emission
Ignition system
Control system
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Checking oil pressure



ATTENTION
A hot engine and oil can cause severe burns. Before the test, stop the engine and wait until the engine and engine oil have cooled.

Remove the lower protective cover of the engine.
Remove the oil pressure gauge.

Installing a special device to measure the pressure of oil
Fig. 2.286. Installing a special device to measure the pressure of oil


Screw the special tool into the hole the oil pressure sensor (Fig. 2.286).
Warm up the engine to normal operating temperature.
Install the specified engine speed and record the readings.
If pressure differs from specified, find the cause and repair or replace damaged parts if necessary.

NOTE
The oil pressure depends on the viscosity and temperature.

The oil pressure at a temperature of 100 ?� C: 330-380 kPa.
Stop the engine and let it cool.
Remove special adaptation.

ATTENTION
Contact the sealing material on the working of the oil pressure sensor can lead to the conclusion of the sensor system. Make sure that the working part of the oil pressure sensor is not sealing material.


Place applying sealant to the threads of the oil pressure sensor
Fig. 2.287. Place applying sealant to the threads of the oil pressure sensor


Apply kremnievoorganichesky thread sealant to the oil pressure sensor, as shown in Figure 2.287.
Install the oil pressure gauge.
Tightening torque: 12-18 Nm.
Install the protective cover of the engine.
Start the engine and check for oil leaks. If you have a leak, identify the defective part, repair or replace it.




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Replacing the engine oil

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