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: Compression pressure
COMPRESSION INSPECTION Warning Hot engines and oil can cause severe burns. Be careful not to burn yourself during removal/installation of each component. 1. Verify that the battery is fully charged. Recharge it if necessary. (See BATTERY INSPECTION.) 2. Warm up the engine to the no ...

Mazda 6 Service Manual: Oil pressure inspection
Warning Continuous exposure to USED engine oil has caused skin cancer in laboratory mice. Protect your skin by washing with soap and water immediately after working with engine oil. Hot engines and engine oil can cause severe burns. Turn off the engine and wait until it and the engine ...