WARNING:

A hot engine and intake air system can cause severe burns. Turn off the engine and wait until they are cool before removing the intake air system.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove in the order indicated in the table.
Install in the reverse order of removal.

Fig 1: Intake-Air System Components With Torque Specification

Courtesy of MAZDA MOTORS CORP.

COMPONENT DESCRIPTION

1	Ventilation hose (See Ventilation Hose Installation Note .)
2	Air hose (See Air Hose Installation Note )
3	Air cleaner cover (See Air Cleaner Cover Installation Note )
4	Air cleaner element
5	Resonance chamber (See Resonance Chamber Removal Note .)
6	Fresh-air duct (See Fresh-air Duct Removal Note .)
7	Air cleaner case (See Air Cleaner Case Installation Note .)
8	Throttle body
9	Vacuum hose (See Vacuum Hose Removal Note .) (See Vacuum Hose Installation Note .)
10	Evaporative hose (See Evaporative Hose Installation Note )
11	PCV hose
12	Intake manifold (See Intake Manifold Removal Note ) (See Intake Manifold Installation Note )

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Intake-Air System Removal/Installation: Notes