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: Front shock absorber inspection
1. Remove the front shock absorber from the vehicle. 2. Inspect for damage and oil leakage. 3. Inspect the rubber bushing for deterioration and wear. 4. Compress and extend the shock piston at least three times. Verify that the operational force does not change and that there is no unusual nois ...

Mazda 6 Service Manual: Gear Shift Indicator (GSI)
The Gear Shift Indicator (GSI) supports you to obtain optimum fuel economy and smooth driving. It displays the selected gear position in the instrument cluster as well as notifies the driver to change to the most suitable gear position corresponding to the actual driving condition. CAUTIO ...