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

general info. full specifications. diagnostics. hints. tips. tricks
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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Dropping the pressure in the supply system



Remember that gasoline is extremely flammable liquid! When working with the components of the power supply system, observe all taken measures of fire safety. Do not smoke! Do not go near the place of work with open flames or unprotected moving the shade! Do not perform system maintenance on the premises, equipped by natural gas and fitted with a control torch heating devices (such as a water heater and clothes dryer). Do not forget that gasoline is one of carcinogens, ie, - substances that contribute to the development of cancer! Try to avoid contact with the fuel in the exposed areas of the body, use a rubber protective gloves in case of accidental contact with the unforeseen fuel carefully wash your hands with warm water and soap. Immediately collect the spilled fuel and lubricants do not stack soaked rags near open flames. Remember that the power supply system equipped with fuel injection models is constantly under pressure. Before you begin disconnecting fuel lines, dump residual pressure in the system. At service of components of the power supply system put on goggles. Always keep a fire extinguisher in the class!


PERFORMANCE ORDER

1. Remove the fuel pump fuse from the located in-car mounting block (see chap. Onboard electric equipment).
2. Start the engine and wait for it to stop spontaneously. To ensure completeness discharge turn the engine a few times a starter. 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 audiosystem input in action!

3. When servicing the power supply system, replace the fuse and connect the negative cable to the battery.
4. When undocking compression fittings should obkladyvat of paper towels for the assembly of spilled fuel.





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Check of serviceability of functioning of the fuel pump, the fuel pressure measurement

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