1. Remove the clamps and vacuum hose.
2. Apply both suction and pressure to the engine-side hose, and verify that air blows only toward that side.

Air bleeding
Brake pedal inspectionMazda 6 Service Manual: Opening the Hood
1. With the vehicle parked, pull the release handle to unlock the hood.
2. Insert your hand into the hood opening, slide the latch lever to the right,
and lift up the hood.
NOTE
The lever is located a little to the left of center when facing the vehicle.
3. Grasp the support rod in the pad ...
Mazda 6 Service Manual: Oil cooler disassembly/assembly
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order of disassembly.
Radiator Outer Tank (In Tank Oil Cooler) Removal Note
1. Inspect the height of the header tabs.
2. Insert the end of a medium tip screwdriver between the end of the header
tab and the out ...