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: Supplier identification procedure
Note When asking the supplier (service center) for repair or replacement, verify which supplier the module belongs to and enter in the Audio Repair Order Form. Identification With Printed Numbers/Label 1. Remove the audio unit. 2. Verify the supplier name written on the label attached ...

Mazda 6 Service Manual: Rear seat disassembly/assembly
4SD 1. Disassemble in the order indicated in the table. 2. Assemble in the reverse order of disassembly. 5HB 1. Disassemble in the order indicated in the table. 2. Assemble in the reverse order of disassembly. ...