Airtightness Check

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

Verify that the manifold gauge reading has not changed.

Fig 1: Checking Manifold Gauge Reading

Courtesy of MAZDA MOTORS CORP.

If the manifold gauge reading has changed, inspect the refrigerant system following the symptom troubleshooting procedure. (See FOREWORD [CLIMATE CONTROL SYSTEM] .)
If the reading has not changed, perform a charging new refrigerant. (See CHARGING NEW REFRIGERANT .)