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: Fuel injector inspection
Operation Test Carry out the Fuel Injector Operation Inspection. (See Fuel Injector Operation Inspection.) If not as specified, perform the further inspection for the fuel injectors. Resistance Inspection Note Perform the following test only when directed. 1. Turn the ignition s ...

Mazda 6 Service Manual: Using LATCH Lower Anchor
Your Mazda is equipped with LATCH lower anchors for attachment of specially designed LATCH child-restraint systems in the rear seats. Both anchors must be used, otherwise the seat will bounce around and put the child in danger. Most LATCH child-restraint systems must also be used in conjunctio ...