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: Oil control valve (ocv) inspection
L3 Coil Resistance Inspection 1. Disconnect the negative battery cable. 2. Disconnect the oil control valve connector. 3. Measure the resistance between terminals A and B using an ohmmeter. If not as specified, replace the oil control valve. Specification 6.9-7.9 ohms 4. Connect ...

Mazda 6 Service Manual: Antilock Brake System (ABS)
The ABS control unit continuously monitors the speed of each wheel. If one wheel is about to lock up, the ABS responds by automatically releasing and reapplying that wheel's brake. The driver will feel a slight vibration in the brake pedal and may hear a chattering noise from the brake system ...