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: Mass air flow (maf) sensor inspection
Voltage Inspection Note Perform the following inspection only when directed. 1. Visually inspect for the following on the MAF sensor. Damage Cracks Terminal bends Terminal rust - If any of the above are found, replace the MAF sensor. - If the MAF PID value is out of specifi ...

Mazda 6 Service Manual: Oil pan
OIL PAN REMOVAL/INSTALLATION Warning Hot engine and engine oil can cause severe burns. Turn off the engine and wait until it and the engine oil have cooled. 1. Disconnect the negative battery cable. 2. Remove the under cover. 3. Drain the engine oil. (See ENGINE OIL REPLACEMENT.) 4. Re ...