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:

Front Seat Belt Pretensioner and Load Limiting Systems
For optimum protection, the driver and front passenger seat belts are equipped with pretensioner and load limiting systems. For both these systems to work properly you must wear the seat belt properly. Pretensioners: When a collision is detected, the pretensioners deploy simultaneously wit ...

Drive Belt Inspection [Mzr 2.0, Mzr 2.5]
MZR 2.0 A/C drive belt NOTE: Drive belt deflection/tension inspection is not necessary because of the use of the maintenance-free type A/C drive belt. Replace the drive belt if it is found to be damaged during visual inspection, or if there is a malfunction or noise in th ...

Warning Light
The warning light turns on when the system has a malfunction. Refer to Warning Lights on . Brake Pad Wear Indicator When the disc brake pads become worn, the built-in wear indicators contact the disc plates. This causes a screeching noise to warn that the pads should be replaced. When ...