Mazda MX-5 Miata / Grand Touring. Manual - part 134

 

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Mazda MX-5 Miata / Grand Touring. Manual - part 134

 

 

INTAKE AIR SYSTEM DIAGRAM [LF] 

Fig. 2: Intake Air System Diagram 
Courtesy of MAZDA MOTORS CORP. 

INTAKE AIR SYSTEM HOSE ROUTING DIAGRAM [LF]

6

Variable tumble solenoid valve (AT)

7

Variable tumble shutter valve actuator (AT)

8

Throttle body

9

Dynamic chamber

10

Intake manifold

11

Accelerator pedal

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE PERFORMANCE Intake Air System - MX-5 Miata

  

Fig. 3: Intake Air System Hose Routing Diagram 
Courtesy of MAZDA MOTORS CORP. 

INTAKE MANIFOLD VACUUM INSPECTION [LF] 

1. Verify that the intake air hoses are installed securely.  

2. Disconnect the vacuum hose connecting the intake manifold and the purge solenoid valve (purge solenoid 

valve side) and install the vacuum gauge.  

3. Warm up the engine.  

4. Measure the intake manifold vacuum while idling (no load) using the vacuum gauge. 

If not within the specification, perform the following inspections. 

Compression pressure (See COMPRESSION INSPECTION [LF] .)  

Air intake 

Each hose installation part  

Throttle body installation part 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE PERFORMANCE Intake Air System - MX-5 Miata

  

Fuel injector installation part  

PCV valve installation part  

Dynamic chamber installation port  

Intake manifold installation part  

Standard  

-60 kPa {-450 mmHg, -17.7 inHg} or more  

INTAKE AIR SYSTEM REMOVAL/INSTALLATION [LF] 

1. Remove the battery cover.  

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

3. Remove in the order indicated in the table.  

4. Install in the reverse order of removal. 

WARNING:

A hot engine and intake air system can cause severe burns. Turn off 
the engine and wait until they are cool before removing the intake-air 
system.  

Fuel line spills and leakage from the pressurized fuel system are 
dangerous. Fuel can ignite and cause serious injury or death and 
damage. Fuel can also irritate skin and eyes. To prevent this, always 
complete the "Fuel Line Safety Procedure", while referring to the 
"BEFORE SERVICE PRECAUTION [LF] ".  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE PERFORMANCE Intake Air System - MX-5 Miata

  

Fig. 4: Identifying Removal Order Of Intake-Air System (Step 1) (With Torque Specifications) 
Courtesy of MAZDA MOTORS CORP. 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE PERFORMANCE Intake Air System - MX-5 Miata

  

 

 

 

 

 

 

 

Content   ..  132  133  134  135   ..