Mazda MX-5 Miata / Grand Touring. Manual - part 136

Fig. 9: View Of Harness Bracket 
Courtesy of MAZDA MOTORS CORP. 

7. Remove the under cover. (See TRANSVERSE MEMBER REMOVAL/INSTALLATION .)  

8. Disconnect the variable intake air solenoid valve connector, EGR valve connector, CMP sensor connector 

and PSP switch connector.  

9. Disconnect the ignition coil connector and fuel injector connector and move the harness slightly out of 

the way.  

10. Disconnect the quick release connector from the fuel distributor. (See QUICK RELEASE 

CONNECTOR (FUEL SYSTEM) REMOVAL/INSTALLATION [LF] .)  

11. Remove the fuel distributor. (See FUEL INJECTOR REMOVAL/INSTALLATION [LF] .)  

12. Disconnect the water hose from the EGR valve.  

13. Disconnect two water hoses from the thermostat.  

14. Remove the heater hose and heater pipe from the dynamic chamber.  

15. Remove the variable intake air solenoid valve. (See VARIABLE INTAKE AIR SOLENOID VALVE 

REMOVAL/INSTALLATION [LF] .)  

16. Remove the variable tumble solenoid valve. (See VARIABLE TUMBLE SOLENOID VALVE 

REMOVAL/INSTALLATION [LF].)  

17. Remove the dynamic chamber installation bolts. 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE PERFORMANCE Intake Air System - MX-5 Miata

  

Fig. 10: View Of Heater Hose & Heater Pipe On Dynamic Chamber 
Courtesy of MAZDA MOTORS CORP. 

18. Remove the EGR pipe. 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE PERFORMANCE Intake Air System - MX-5 Miata

  

Fig. 11: Identifying EGR Pipe (With Torque Specifications) 
Courtesy of MAZDA MOTORS CORP. 

19. Disconnect the connector from the A/C compressor.  

20. Disconnect the knock sensor connector.  

21. Move the vacuum hose between the purge solenoid valve and the charcoal canister slightly out of the 

way.  

22. Move the clutch release cylinder slightly out of the way. (MT) (See CLUTCH RELEASE CYLINDER 

REMOVAL/INSTALLATION .)  

23. Disconnect the evaporative hose with the dynamic chamber raised. 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE PERFORMANCE Intake Air System - MX-5 Miata

  

Fig. 12: Disconnecting Evaporative Hose 
Courtesy of MAZDA MOTORS CORP. 

24. Remove the dynamic chamber.  

25. Remove the variable intake air shutter valve actuator. (See VARIABLE INTAKE AIR SHUTTER 

VALVE ACTUATOR REMOVAL/INSTALLATION [LF] .)  

26. Remove the MAP sensor. (See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR 

REMOVAL/INSTALLATION [LF] .)  

INTAKE MANIFOLD REMOVAL NOTE (AT) 

1. Remove the intake manifold.  

2. Remove the variable tumble shutter valve actuator. (See VARIABLE TUMBLE SHUTTER VALVE 

ACTUATOR REMOVAL/INSTALLATION [LF].)  

THROTTLE BODY INSTALLATION NOTE 

1. Tighten the bolts in the order as shown in Fig. 13 . 

Throttle body tightening torque 8.0-11.5 N.m {82-110 kgf.cm, 71-100 in.lbf}  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE PERFORMANCE Intake Air System - MX-5 Miata