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: Air filter inspection
1. Remove the air filter. 2. Inspect the air filter. If the air filter is damaged, excessively dirty, or foul smelling, replace the air filter. Note The air filter cannot be reused by cleaning it with water or compressed air. Replace the air filter at the following interval, depe ...

Mazda 6 Service Manual: General procedures
PRECAUTION (BRAKES) Wheels and Tires Removal/Installation 1. The removal and installation procedures for the wheels and tires are not mentioned in this section. When a wheel is removed, tighten it to 88-118 N·m {9.0-12.0 kgf·m, 65.0-87.0 ft·lbf}. Brake Lines Disconnection/Connection Cautio ...