Mazda MX-5 Miata / Grand Touring. Manual - part 128

Fig. 5: Exploded View Of Air Distribution Unit Components 
Courtesy of MAZDA MOTORS CORP. 

2. Assemble in the reverse order of disassembly.  

A/C UNIT REMOVAL/INSTALLATION 

1. Remove battery cover.  

2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] .)  

3. Discharge the refrigerant from the system. (See REFRIGERANT RECOVERY .) (See 

REFRIGERANT CHARGING .)  

4. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT [LF] .)  

5. Disconnect from A/C unit in the order in Fig. 6 . 

CAUTION:



If moisture or foreign material enters the refrigeration cycle, 
cooling ability will be lowered and abnormal noise or other 
malfunction could occur. Always plug open fittings immediately 
after removing any refrigeration cycle parts.  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 HVAC Basic System - MX-5 Miata

  

Fig. 6: View Of Refrigerant Line From A/C Unit & Components (With Torque Specifications) 
Courtesy of MAZDA MOTORS CORP. 

6. Remove the A/C unit and air distribution unit. (See AIR DISTRIBUTION UNIT 

REMOVAL/INSTALLATION .)  

7. Disassembly the A/C unit as shown in Fig. 7 .  

8. Install in the reverse order of removal.  

9. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE 

TEST .) 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 HVAC Basic System - MX-5 Miata

  

Fig. 7: Identifying A/C Unit 
Courtesy of MAZDA MOTORS CORP. 

A/C UNIT DISASSEMBLY/ASSEMBLY 

1. Disassemble in the order indicated in Fig. 8 . 

2. Assemble in the reverse order of disassembly. 

CAUTION:



If a non-specified grease is used, it may result in abnormal 
noise or improper operation of the links. Apply only the 
specified grease to each link.  



If the air mix damper is removed and reinstalled improperly 
because the original installation position cannot be specified, 
the air mix damper and air mix actuator may be damaged when 
it is operated. Therefore, set the air mix to the middle position 
before disassembling so that the installation position can be 
specified.  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 HVAC Basic System - MX-5 Miata

  

Fig. 8: Exploded View Of A/C Unit Components (With Torque Specifications) 
Courtesy of MAZDA MOTORS CORP. 

EVAPORATOR TEMPERATURE SENSOR ASSEMBLY NOTE 

1. Assemble the evaporator temperature sensor as shown in Fig. 9 . 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 HVAC Basic System - MX-5 Miata