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: Thermostat
THERMOSTAT REMOVAL/INSTALLATION 1. Remove the plug hole plate. 2. Disconnect the negative battery cable. 3. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.) 4. Remove the drive belt. (See DRIVE BELT REPLACEMENT.) 5. Remove the washer tank. 6. Remove the P/S oil pump. Note ...

Mazda 6 Service Manual: Front stabilizer removal/installation
1. Remove the front crossmember component. (See FRONT CROSSMEMBER REMOVAL/INSTALLATION.) 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. 4. Adjust the headlight zeroset. (See HEADLIGHT ZEROSET.) 5. Inspect the front wheel alignment. (See FRONT WHEEL A ...