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: 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 Adjustment 1. Loosen locknut B and turn the bolt A until it does not contact the pedal. 2. Loosen l ...

Mazda 6 Service Manual: Drive belt auto tensioner inspection
1. Remove the drive belt. (See DRIVE BELT REPLACEMENT.) 2. Verify that the drive belt auto tensioner moves smoothly in the operational direction. Replace the drive belt auto tensioner if necessary. 3. Turn the drive belt auto tensioner pulley by hand and verify that it rotates smoothly ...