Using UV Light (Black Light)
1. Remove on the engine or transaxle.
Note
2. Pour the fluorescent dye into the engine oil or ATF (or transaxle oil).
3. Allow the engine to run for 30 minutes.
4. Inspect for dye leakage by irradiating with UV light (black light), and identify the type of oil that is leaking.
5. If no dye leakage is found, allow the engine to run for another 30 minutes or drive the vehicle then reinspect.
6. Find where the oil is leaking from, then make necessary repairs.
Note
Not Using UV Light (Black Light)
1. Gather some of the leaking oil using an absorbent white tissue.
2. Take samples of engine oil and ATF (or transaxle oil), both from the dipstick, and place them next to the leaked oil already gathered on the tissue.
3. Compare the appearance and smell, and identify the type of oil that is leaking.
4. Remove any oil on the engine or transaxle/transmission.
5. Allow the engine to run for 30 minutes.
6. Check the area where the oil is leaking, then make necessary repairs.
Mazda 6 Service Manual: Operation of Automatic Air-conditioning
1. Press the AUTO switch. Selection of the airflow mode, air intake selector
and amount of airflow will be automatically controlled.
2. Use the temperature control dial to select a desired temperature. Press the
DUAL switch or turn the front passenger temperature control dial to control the
s ...
Mazda 6 Service Manual: Nonreturn valve inspection
1. Remove the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION.)
2. Siphon the fuel from the fuel tank.
Note
Nonreturn valve is integrated in the fuel tank.
The nonreturn valve is normally closed by the spring force.
3. Verify that the nonreturn valve is closed.
If the nonretu ...