Mazda 6 Service Manual: No.20 noise occurs at idle when vehicle is stopped in all positions/ranges

No.19 excessive shift shock on torque converter clutch (tcc)

No.21 noise occurs at idle when vehicle is stopped in d, s, l ranges, or in r position

Other materials:

Mazda 6 Service Manual: Bonnet switch inspection
Note Bonnet switch has a built-in bonnet lock. 1. Open the bonnet. 2. Disconnect the negative battery cable. 3. Remove the radiator grille. 4. Disconnect the bonnet switch connector. 5. Check the continuity between the bonnet switch terminals A and B using an ohmmeter. If there is ...

Mazda 6 Service Manual: Dynamometer
When inspecting and servicing the power train on the dynamometer or speed meter tester, pay attention to the following: - Place a fan, preferably a vehicle-speed proportional type, in front of the vehicle. - Make sure the vehicle is in a facility with an exhaust gas ventilation ...