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
      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
      Removal, check of a state and installation of assembly of yokes
      Replacement of maslootrazhatelny caps and valvate springs with plates
      Removal and installation of a gas-distributing belt and cogwheels 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
   + DOHC engines
   + 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! The car also establish to Poddomkratta it on props.

2. Impregnate fixture of collectors with the getting oil.
3. Working under the car, disconnect from final collectors a Y-shaped reception pipe ("trousers") of system of production of the fulfilled gases (see the Head of the Power supply system and release).


Forward collector (from a radiator)

 PERFORMANCE ORDER

1. Remove from the throttle case a reception air duct assembled with the top half of a casing of the air cleaner (see the Head of the Power supply system and release).
2. Disconnect EGR bell from a final collector.

3. For the purpose of ensuring access to fixture of a collector remove an arm of fastening of the directing tube of the probe of measurement of level of motive oil. Give the top number of fixing nuts.

4. Moving from edges to the center, give the lower number of fixture and remove a collector from the engine.


Back collector (from a partition of a motive compartment)

 PERFORMANCE ORDER

Working under the car, give fixing nuts and remove a collector.

INSTALLATION

 PERFORMANCE ORDER

1. Attentively examine collectors and elements of their fixture, checking components for existence of cracks, deformations and other mechanical damages.
2. Scratch out a deposit and traces of material of old laying from the interfaced surfaces of collectors and heads of cylinders. If leak of the fulfilled gases took place, estimate not planeness of the interfaced surfaces of collectors (use the steel ruler established on an edge and the probe of lezviyny type). Compare results of measurements to requirements of Specifications, in case of need give collectors to a pro-point.
3. Put on new laying hairpins of fastening of collectors.
4. Establish collectors and screw nuts of their fastening.
5. Moving from the center outside, in three-four stages evenly tighten fixture with the required effort.
6. Installation of the remained components is made as it should be the return to an order of their dismantle. Do not forget to replace sealing laying at connection of a reception pipe of system of production of the fulfilled gases to a forward collector.
7. Start the engine and check it for existence of signs of leak of the fulfilled gases.