Mazda CX-5 Service & Repair Manual: Check Valve

Mazda CX-5 Service & Repair Manual / Engine / Emissions / Check Valve

Except U.S.A. And CANADA

Purpose, function

The check valve maintain the pressure in the fuel tank at constant pressure.

Construction

The check valve is installed to the side of the charcoal canister.

Mainly consists of valve, umbrella, and spring.

Operation

The valve moves in response to the difference in air pressure between the fuel tank side and the atmospheric side, thereby changing the path of airflow.
When the pressure in the fuel tank becomes negative due to fuel consumption or other factors, the path opens, drawing atmospheric air into the fuel tank.

Check Valve Removal/Installation

Except U.S.A. And CANADA 1. Remove the floor under cover.. 2. Remove in the order indicated in the table. 1 Evaporative hose 2 Check valve ...

Emission System

Purpose, Outline A single-nano catalyst has been adopted for the under-floor, three-way catalyst to improve emission gas purification efficiency. Structural View Engine compartment si ...

Other materials:

Rear Coil Spring Removal/Installation
WARNING: Be careful not to allow the coil spring to fly off when removing/installing the coil spring. Otherwise, the coil spring could fly off and cause serious injury or death, or damage to the vehicle. 1. When working on the left side of the vehicle, disconnect the auto lev ...

Bsm Indicator Light Flashes While Not Under Bsm Indicator Light Flashing Conditions (No Combination Switch Operation (Turn Signal Switch)) [Blind Spot Monitoring (Bsm)]
Description BSM indicator light flashes while not under BSM indicator light-flashing conditions (no combination switch operation (turn signal switch) The BSM indicator light flashes despite not satisfying the BSM indicator light flashing ...

Rear Brake (Disc) Inspection
Brake Judder Repair Hints Description 1. Brake judder concern has the following 3 characteristics: Steering wheel vibration 1. The steering wheel vibrates in the rotation direction. This characteristic is most noticeable when applying brakes at a vehicle speed of 100—140 km/h {62.2—86.9 ...