Mazda 6 Service Manual: Vacuum hose routing diagram

Intake-air system

...

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: Oil cooler flushing
Note The contaminated cooler line (oil pipes and hoses) and auxiliary cooler must be flushed completely when ATX is overhauled or replaced. 1. Remove the two oil cooler line hoses and apply air pressure of 196 kPa {2.0 kgf/cm2, 28 psi} from the return hose (pipe) side. Caution Power ...

Mazda 6 Service Manual: Crankshaft position (ckp) sensor inspection
Note Perform the following inspection only when directed. Resistance Inspection 1. Disconnect the CKP sensor connector. 2. Measure the resistance between CKP sensor terminals A and B using an ohmmeter. If not as specified, replace the CKP sensor. If CKP sensor resistance is okay, bu ...