Mazda 6 Service Manual: Vacuum hose routing diagram

Intake-air system

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Intake-air system removal/installation

Warning When the engine and intake-air system are hot, they can badly burn. Turn off the engine and wait until they are cool before removing the intake-air system. Fuel vapor is hazardous. ...

Other materials:

Mazda 6 Service Manual: Engine Exhaust (Carbon monoxide)
WARNING Do not drive your vehicle if you smell exhaust gas inside the vehicle: Engine exhaust gas is dangerous. This gas contains carbon monoxide (CO), which is colorless, odorless, and poisonous. When inhaled, it can cause loss of consciousness and death. If you smell exhaust gas inside the ...

Mazda 6 Service Manual: Precautions before welding
Vehicles have various electrical parts. To protect the parts from excessive current generated when welding, be sure to perform the following procedure. 1. Turn the ignition switch to the LOCK position. 2. Disconnect the battery cables. 3. Securely connect the welding machine to the ground nea ...