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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Nissan Maxima QX (1993 release)

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Nissan Maxima QX
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Nissan
Maxima QX
Introduction
Operating Instructions
Adjustment and routine maintenance
Engine
System of cooling, heating
The power supply system and release
general information
Dropping the pressure in the supply system
Check of serviceability of functioning of the fuel pump, the fuel pressure measurement
Check and replacement of fuel lines and compression fittings
Removal and installation of the fuel pump
Check and replacement of the gauge of fuel consumption
Removing and installing fuel tank
Cleaning and repair of the fuel tank - an overview
Removal and installation of assemblage of an air cleaner
Removal, installation and adjustment of a cable of an accelerator
The electronic fuel injection (EFI) - General Information
Check of serviceability of functioning of system of injection
Check and replace the throttle body
Removal and installation of the fuel pressure regulator
Removal and installation of a fuel highway and injectors injection
Check and adjustment of turns of idling
Exhaust system - general information
Electric motor
Engine Control Systems
Transmission
Coupling and power shafts
Brakes
Suspension and steering
Body
Onboard electric
 


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Removal and installation of a fuel highway and injectors injection



The components of the injector fuel injection

1 - Retaining cap
2 - Insulator
3 - Injector
4 - Upper sealing ring

5 - The central sealing ring
6 - Lower sealing ring
7 - Insulator fuel line


See. Warning at the beginning of Section Dropping the pressure in the fuel system.

On models since 1995 Vol. service injection injectors front row of cylinders can be performed without removing the top section of the intake pipe. Removing the fuel line is also not a requirement.


PERFORMANCE ORDER

1. Relieve the pressure in the supply system (see. Section Dropping the pressure in the supply).
2. Disconnect the negative wire from the battery.

If installed on the car stereo is equipped with a security code before to disconnect the battery make sure that have a correct combination for entering the equipment in action!

3. Remove the upper section of the inlet pipeline (pressure chamber) (see. Part Engines SOHC or Engines DOHC The Heads Engine).

4. Disconnect the wiring from the injector fuel injection.

5. To carry out maintenance of the injector (s) Unscrew the locking cap (s) and remove the injector (s) of the assembly of the fuel line. Please rate the condition of the sealing rings of each shot injectors, rings, replace defective. Before installing injectors, lubricate O-rings with liquid lubricating oil.

In no case do not use silicone grease lubrication rings - it can lead to clogged injectors! Light rotary-translational motion plant injector (s) to the pipeline. Clean and install the locking cap (s) and tighten the mounting screws with the required torque.

6. To remove the fuel line disconnect it from the supply line and fuel return, then remove the cap screws (two on each side).

7. Gently rock the assembly line from side to side, remove the assembly from the injector to the intake manifold lower section.

8. Install in the reverse order. Pay attention to the following points:

a) Do not forget to check the status of support insulators line, replace defective components;
b) By putting the insulators in the bottom section of the intake pipe, lightly lubricate them with machine oil.





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