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:

Vehicle Speed Sensor (VSS) Inspection [FS5 A EL]
On-Vehicle Inspection 1. Inspect the power supply circuit for the VSS. a. Remove the insulator from the transaxle. b. Disconnect the VSS connector. c. Switch the ignition to ON (engine off). d. Measure the voltage at VSS connector terminal A (harness-side). If there is a ...

Engine Coolant Protection Inspection [Mzr 2.0, Mzr 2.5]
1. Measure the engine coolant temperature and specific gravity using a thermometer and a hydrometer. CAUTION: Use engine coolant at a concentration that meets the environmental conditions in which the vehicle is driven, otherwise engine damage could occur. The engine has alumi ...

Transaxle Oil Replacement [G66 M R]
1. Park the vehicle on level ground. 2. Remove the aerodynamic under cover No.2.. 3. Remove the drain plug and washer. 4. Drain the oil into a suitable container. 5. Install a new washer and the drain plug. Tightening torque 39—59 N·m {4.0—6.0 kgf·m, 29—43 ft·lbf} 6. Remo ...