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: Coil removal/installation
Note Do not remove the coil unless you are replacing it. When only the coil is replaced, the immobilizer system reprogram procedure is not necessary. 1. Disconnect the negative battery cable. 2. Remove the column cover. 3. Remove in the order indicated in the table. 4. Install in ...

Mazda 6 Service Manual: Egr valve removal/installation
1. Disconnect the negative battery cable. 2. Disconnect the EGR valve connector. 3. Remove in the order indicated in the table. 4. Install in the reverse order of removal. Water Hose Removal Note Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT.) EGR Valve Removal Note 1. Re ...