Nissan Maxima QX

since 1993 release

Repair and operation of the car



Nissan Maxima QX
+ Cars of the Nissan Maxima brand
+ Maintenance instruction
+ Settings and routine maintenance
- Engine
   + SOHC engines
   - DOHC engines
      General information
      Preparatory actions and the list of repair procedures which can be executed without extraction of the engine from the car
      Reduction of the piston of the first cylinder in the provision of the top dead point (TDP)
      Removal and installation of covers of heads of cylinders
      Check and adjustment of gaps of valves
      Replacement of maslootrazhatelny caps and valvate springs with plates
      Removal, check of a state and installation of a chain and asterisks of the GRM drive
      Removal and installation of camshafts and pushers of valves
      Removal and installation of the inlet pipeline
      Removal and installation of final collectors
      Removal and installation of heads of cylinders
      Removal and installation of a pulley of a bent shaft
      Replacement of a forward epiploon of a bent shaft
      Removal and installation of the pallet of a case of the engine
      Removal, check of a state and installation of the oil pump
      Removal and installation of a flywheel / driving disk
      Replacement of a back epiploon of a bent shaft
      Check of a state and replacement of support of a suspension bracket of the power unit
   + General capital repairs of the engine
+ Cooling systems, heating
+ Power supply system and release
+ Engine electric equipment
+ Control systems of the engine
+ Transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment



Removal and installation of final collectors

Start implementation of the procedure only after final cooling of the power unit.

REMOVAL

 PERFORMANCE ORDER

1. Disconnect a negative wire from the battery.

If the stereosystem established on the car is equipped with a security code before disconnecting the battery make sure that you have the correct combination for input of the audio system in action!

2. Prop up back wheels of the car antiretractable boots, cock the parking brake.
3. A car front also establish to Poddomkratta it on props. Remove protection of a case.
4. Before removal of a back collector dismantle the top section of the inlet pipeline (see the Section Removal and installation of the inlet pipeline).

5. Remove the thermofilter from a collector.

6. Hang out the power unit from above by means of a beam or the winch.
7. Working under the car, disconnect an electrical wiring from the oxygen sensor and remove a reception pipe of system of production of the fulfilled gases from the car.
8. Turn out through bolts of forward and back support of a suspension bracket of the power unit and remove from the car a cross beam assembled with arms of support (see the Section Check of a State and Replacement of Support of a Suspension Bracket of the Power Unit).

9. Remove arms of support of a suspension bracket of the power unit on both sides of the engine.

10. Disconnect EGR tube from a back final collector.

11. Give fixing bolts / nuts and remove a collector with sealing laying.

INSTALLATION

 PERFORMANCE ORDER

1. Scratch out a deposit and traces of material of old laying from the interfaced surfaces of collectors and heads of cylinders.
2. Put on new laying hairpins of fastening of a collector.
3. Establish a collector and screw nuts of its fastening.
4. Moving from the center outside, in three-four stages evenly tighten fixture with the required effort.
5. Installation of the remained components is made as it should be the return to an order of their dismantle.
6. Start the engine and check it for existence of signs of leak of the fulfilled gases.