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:

Variable Valve Timing Actuator Inspection [Mzr 2.3 Disi Turbo]
CAUTION: Variable valve timing actuator cannot be disassembled because it is a precision unit. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the charge air cooler.. 4. Remove the ignition coils.. 5. Disconnect the ventilation hose from th ...

Outside the United States/ Canada
Government regulations in the United States/Canada require that automobiles meet specific emission regulations and safety standards. Therefore, vehicles built for use in the United States/Canada may differ from those sold in other countries. The differences may make it difficult or even imp ...

Oil Seal Replacement [FS5 A EL]
1. Remove the aerodynamic under cover No. 2.. 2. Remove the oil seal. a. Drain the ATF.. b. Remove the drive shaft and/or joint shaft.. CAUTION: The oil seal is easily damaged by the sharp edges of the drive shaft splines. Do not let the splines contact the oil seal. c. Remo ...