Mazda 3 Service Manual: HVAC

Oil Pressure Switch Removal/Installation [FS5 A EL]

WARNING: A hot transaxle and ATF can cause severe burns. Turn off the engine and wait until they are cool. 1. Perform the following procedures. a. Remove the battery cover.. b. Di ...

General

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Other materials:

Refrigerant Charging
CAUTION: Do not exceed the specification when charging the system with refrigerant. Doing so will decrease the efficiency of the air conditioner or damage the refrigeration cycle parts. Charging Recycled HFC-134a Refrigerant 1. Connect an HFC-134a recovery/recycling/recharging d ...

Front Passenger Occupant Classification System
First, please read "Supplemental Restraint System (SRS) Precautions" carefully. Front Passenger Seat Weight Sensor Your vehicle is equipped with a front passenger seat weight sensors as a part of the supplemental restraint system. These sensors are located under both of the front p ...

Engine Coolant Temperature (ECT) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. ECT Sensor No.1 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Drain the engine coolant.. 4. Remove the battery and b ...