Mazda MX-5 Miata / Grand Touring. Manual - part 118

Fig. 21: Identifying Fuel Pump Unit (With Torque Specifications) 
Courtesy of MAZDA MOTORS CORP. 

8. Install in the reverse order of removal.  

9. Complete the "AFTER SERVICE PRECAUTION" (See AFTER SERVICE PRECAUTION [LF] .)  

FUEL LEAKAGE INSPECTION AFTER PUMP UNIT INSTALLATION 

1. Before installing the fuel tank, verify that there is no leakage when a pressure of 5.9 kPa {44 mmHg, 1.7 

inHg} is applied to the fuel tank.  

2. Install the fuel tank. (See FUEL TANK REMOVAL/INSTALLATION [LF] .)  

3. Drive the vehicle starting from a standstill and brake suddenly five to six times at a low speed.  

4. Stop the vehicle and verify from outside the vehicle that there is no fuel leakage around the fuel pump 

unit.  

FUEL PUMP UNIT DISASSEMBLY/ASSEMBLY [LF] 

WARNING:



Fuel line spills and leakage are dangerous. Fuel can ignite and 
cause serious injuries or death and damage. Fuel can also irritate 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Fuel System - MX-5 Miata

  

1. Disassemble in the order indicated in Fig. 22 .  

2. Assemble in the reverse order of disassembly. 

skin and eyes. To prevent this, do not damage the sealing surface of 
the fuel pump unit when removing or installing.  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Fuel System - MX-5 Miata

  

Fig. 22: View Of Fuel Pump Unit Components 
Courtesy of MAZDA MOTORS CORP.

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Fuel System - MX-5 Miata

  

FUEL PUMP UNIT INSPECTION [LF]

FUEL PUMP OPERATION INSPECTION 

1. Follow "BEFORE SERVICE PRECAUTION" before performing any work operations to prevent fuel 

from spilling from the fuel system. (See BEFORE SERVICE PRECAUTION [LF] .)  

2. Remove the fuel-filler cap.  

3. Start the fuel pump using the following procedure: 

Using M-MDS  

1. Connect the M-MDS to the DLC-2. 

WARNING:



Fuel is very flammable liquid. If fuel spills or leaks from the 
pressurized fuel system, it will cause serious injury or death and 
facility breakage. Fuel can also irritate skin and eyes. To prevent 
this, always complete the "

FUEL LINE SAFETY PROCEDURE

", while 

referring to BEFORE SERVICE PRECAUTION [LF] .  



Fuel is very flammable liquid. If fuel spills or leaks from the 
pressurized fuel system, it will cause serious injury or death and 
facility breakage. Fuel can also irritate skin and eyes. To prevent 
this, before performing the fuel pump unit removal/installation, 
always complete the "Fuel Leak Inspection After Fuel Pump Unit 
Installation".  



A person charged with static electricity could cause a fire or 
explosion, resulting in death or serious injury. Before draining fuel, 
make sure to discharge static electricity by touching the vehicle 
body.  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Fuel System - MX-5 Miata