Mazda 6 Service Manual: Vacuum hose check valve inspection (power brake unit)
1. Remove the clamps and vacuum hose.
2. Apply both suction and pressure to the engine-side hose, and verify that air blows only toward that side.
- If air flows in both directions or not at all, replace the vacuum hose.
Air bleeding
Caution
Maintain the fluid level in the reservoir tank properly while
bleeding the air.
Specified fluid
Note
The brakes should be bled whenever a brake line is disconnected.
If a h ...
Brake pedal inspection
Brake Pedal Height Inspection
Verify that the distance from the carpet to the center of the upper surface
of the pedal pad is as specified.
Pedal height (reference value)
Brake Pedal Height Adj ...
Other materials:
Mazda 6 Service Manual: Overheating
If the high engine coolant temperature warning light turns on, the vehicle loses
power, or you hear a loud knocking or pinging noise, the engine is probably too
hot.
WARNING
Pull over to a safe location,
then switch the ignition off and make sure the fan is not running before attempting
t ...
Mazda 6 Service Manual: Heated oxygen sensor (ho2s) inspection
HO2S Voltage Inspection
Note
Perform the following inspection only when directed.
1. Warm up the engine and run it at idle.
2. Disconnect the HO2S connector.
3. Connect the voltmeter test leads to the following HO2S terminals:
HO2S (front and rear)
- (+) leadterminal A
- (-) le ...