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: Bonnet adjustment
Gap Adjustment 1. Remove the front fender. 2. Loosen the bonnet hinge installation bolts and reposition the bonnet. 3. Tighten the bolts. 4. Verify that the gap between the bonnet and the body is within the specification. Clearance a: 2.5-4.5 mm {0.08-0.17 in} Height Adjustment 1 ...

Mazda 6 Service Manual: Power brake unit inspection
Warning The following inspection methods are the simple inspection methods to judge the function of power brake. If there is malfunction in power brake unit, replace the power brake unit as a component. Power Brake Unit Function Check (Simple Method) Step 1 1. With the engine stoppe ...