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: Height Adjustment
Adjust the head restraint so that the center is even with the top of the passenger's ears. To raise a head restraint, pull it up to the desired position. To lower the head restraint, press the stopcatch release, then push the head restraint down. Front outboard seat Rear outboard seat ...

Mazda 6 Service Manual: Flasher unit inspection
1. Connect the connector to the flasher unit. 2. Connect the negative battery cable. 3. Measure the voltage at the flasher unit using voltmeter. When inspecting terminal F for continuity, disconnect the flasher unit connector. 4. If the value are not as specified in the Terminal Voltag ...