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

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Mazda 6 Service Manual: Automatic transaxle removal/installation
1. Disconnect the negative battery cable. 2. Remove the battery and battery tray. 3. Remove the aircleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 4. Remove the front tires and splash shield. 5. Remove the under cover. 6. Remove the steering gear and power steering pipe. (See ...

Mazda 6 Service Manual: Engine coolant temperature (ect) sensor removal/installation
Warning When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. 1. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.) 2. Disconnect the ECT sensor connector. 3. Remove the ECT sensor. 4. Install in the reve ...