Mazda 3 Service Manual: Valvetrain, Cylinder Head
- Camshaft Position (CMP) Sensor Inspection [Mzr 2.0, Mzr 2.5]
- Camshaft Position (CMP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
- Cylinder Head Gasket Replacement [Mzr 2.0, Mzr 2.5]
- Valve Clearance Adjustment [Mzr 2.0, Mzr 2.5]
- Valve Clearance Inspection [Mzr 2.0, Mzr 2.5]
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:
Sunlight/Temperature Sensor
The climate control system measures
inside and outside temperatures, and
sunlight. It then sets temperatures inside
the passenger compartment accordingly.
CAUTION
Do not obstruct either sensor,
otherwise the climate control system
will not operate properly.
...
Stop Vehicle in Safe Place Immediately
If any of the following warning lights turns on, the system may have a
malfunction. Stop the
vehicle in a safe place immediately and contact an Authorized Mazda Dealer.
...
Variable Valve Timing Actuator Removal/Installation [Mzr 2.0, Mzr 2.5]
NOTE:
Variable valve timing actuator can not be disassembled because it is a
precision unit.
Intake camshaft sprocket is integrated with the variable valve timing actuator
and cannot be disassembled.
1. Remove the battery cover..
2. Disconnect the negative battery cable ...
