Mazda 3 Service Manual: HVAC

Oil Pressure Switch Removal/Installation [FS5 A EL]

WARNING: A hot transaxle and ATF can cause severe burns. Turn off the engine and wait until they are cool. 1. Perform the following procedures. a. Remove the battery cover.. b. Di ...

General

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Other materials:

Tachometer
The tachometer shows engine speed in thousands of revolutions per minute (rpm). CAUTION Do not run the engine with the tachometer needle in the RED ZONE. This may cause severe engine damage. Type A *1 The range varies depending on the type of gauge. Type B *1 The ...

Oil Cooler Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: Hot engines and engine oil can cause severe burns. Turn off the engine and wait until it and the engine oil have cooled. A vehicle that is lifted but not securely supported on safety stands is dangerous. It can slip or fall, causing death or serious injury. Never work ...

Engine Coolant Temperature (ECT) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. ECT Sensor No.1 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Drain the engine coolant.. 4. Remove the battery and b ...