Mazda 3 Service Manual: Valvetrain, Cylinder Head

Crankshaft Position (CKP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]

Removal CAUTION: When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine ...

Camshaft Position (CMP) Sensor Inspection [Mzr 2.0, Mzr 2.5]

Visual Inspection CAUTION: When replacing the CMP sensor, make sure there is no foreign material on it such as metal shavings. If it is installed with foreign material, the sensor outpu ...

Other materials:

Control Valve Body Removal/Installation [Fw6 A EL]
On-Vehicle Removal WARNING: A hot transaxle and ATF can cause severe burns. Turn off the engine and wait until they are cool. Using compressed air can cause dirt and other particles to fly out, causing injury to the eyes. Wear protective eyeglasses whenever using compressed ai ...

Back Up Light Switch Removal/Installation [C66 M R]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the aerodynamic under cover No.2.. 4. Remove in the order indicated in the table. 5. Install in the reverse order of removal. 1 Back-up light switch connector 2 ...

Electric Variable Valve Timing Actuator, Hydraulic Variable Valve Timing Actuator Removal/Installation [Skyactiv G 2.0]
WARNING: A hot engine can cause severe burns. Turn off the engine and wait until it is cool before servicing. CAUTION: Do not disassemble the electric variable valve timing actuator and hydraulic variable valve timing actuator because they are precision units. If ...