Mazda 6 Service Manual: No.22 no engine braking in hold mode

No.21 noise occurs at idle when vehicle is stopped in d, s, l ranges, or in r position

No.23 transaxle overheats

Other materials:

Mazda 6 Service Manual: Manually Shifting Up
You can shift gears up by operating the selector lever or the steering shift switches (some models). M1 → M2 → M3 → M4 → M5 → M6 Using selector lever To shift up to a higher gear, tap the selector lever back (+) once. Using steering shift switch (some models) To ...

Mazda 6 Service Manual: Steering gear and linkage inspection
Rack Inspection 1. Inspect the rack for cracking, damage, and tooth wear. Replace it as necessary. 2. Measure the runout of the rack. Runout Near point A: 0.15 mm {0.006 in} max. Near point B: 0.20 mm {0.008 in} max. 3. If not within the specification, replace the rack. Tie-rod End ...