1. Remove the flywheel..
2. Perform the following procedures to inspect the flywheel.
If there is any malfunction or it exceeds the maximum specification, replace the flywheel..
a. Inspect the surface that contacts the clutch disc for scratches, nicks, and discoloration.

Correct slight scratches and discoloration using sandpaper.
b. Inspect the ring gear teeth for damage and wear.
c. Inspect the runout of the surface that contacts the clutch disc.

i. Install the flywheel..
ii. Measure the runout of the surface that contacts the clutch disc using a dial gauge.
0.1 mm {0.004 in}
Clutch [C66 M R]
Low Clutch [Fw6 A EL, Fw6 Ax EL]Break-In Period
No special break-in is necessary, but a few precautions in the first 1,000 km
(600 miles) may add to the performance, economy, and life of your Mazda.
• Do not race the engine.
• Do not maintain one constant speed,
either slow or fast, for a long period of time.
• Do not drive constantl ...
Air Mix Actuator [Full Auto Air Conditioner]
Purpose
The air mix actuator moves the air mix door in the A/C unit to adjust the
temperature of the air blown from the air vent.
Function
Door open/close function
The air mix actuator drives the motor based on the signals from the climate
control unit and moves the air mi ...
Intake Air Temperature (Iat) Sensor
IAT Sensor No.1
Purpose/Function
Detects the IAT before it passes through the throttle body as basic information
for mainly determining the fuel injection amount.
Detects the IAT before it passes through the throttle body and inputs it
to the PCM as an IAT signal.
Constru ...