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