Nissan Maxima QX

since 1993 of release

Repair and car operation



Nissan Maxima QX
+ Nissan Maxima brand Cars
+ 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 engine extraction from the car
      Reduction of the piston of the first cylinder in the provision of the top dead point (VMT)
      Removal and installation of covers of heads of cylinders
      Check and adjustment of gaps of valves
      Replacement of maslootrazhatelny caps and klapanny springs with plates
      Removal, check of a condition and installation of a chain and asterisks of a drive of GRM
      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 cranked shaft
      Replacement of a forward epiploon of a cranked shaft
      Removal and installation of the pallet of a case of the engine
      Removal, check of a condition and installation of the oil pump
      Removal and flywheel installation / driving disk
      Replacement of a back epiploon of a cranked shaft
      Check of a condition and replacement of support of a suspension bracket of the power unit
   + General major maintenance of the engine
+ Systems of cooling, 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
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Removal and installation of camshafts and pushers of valves

Before extraction of camshafts from heads of cylinders it is necessary to measure size axial люфта their landings.

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 have the correct combination for audiosystem input in action!

2. Remove covers of a head of cylinders (see. Section Removal and installation of covers of heads of cylinders).
3. Remove chains and asterisks of a drive of GRM (see. Section Removal, check of a condition and installation of a chain and asterisks of a drive of GRM).
4. Mark covers of bearings of camshafts. Moving as it should be the return shown on an illustration, in 2 ÷ 3 reception weaken bolts of fastening of covers.

5. Remove covers of bearings and take from heads of cylinders camshafts.

Put the removed covers in the organized order, - at assembly they should be established in strictly on the former provisions. Pay attention to presence on shaft of identification marking.

6. Take from heads of cylinders pushers assembled with the adjusting washers established on them.

Put the pushers taken from the engine in the organized order - at assembly they should be established strictly on the former places.

INSTALLATION

 PERFORMANCE ORDER

1. Establish pushers of valves assembled with adjusting washers strictly on the former places.
2. Grease cams and bearing necks of camshafts with molibdensoderzhashchy greasing.

3. Get shaft on the former places in the corresponding heads of cylinders and develop them directing pins up and parallel to a number of cylinders.

4. Impose RTV hermetic on an interfaced surface of covers of the first bearings.

5. Establish covers of bearings, screw and by hand tighten bolts of their fastening.

6. Moving in strictly certain order, in stages tighten bolts of fastening of covers of bearings with demanded effort.

7. Establish into place components of a drive of GRM (a chain and an asterisk) (see. Section Removal, check of a condition and installation of a chain and asterisks of a drive of GRM). Blocking camshafts from a provorachivaniye a rozhkovy key, tighten with demanded effort bolts of fastening of asterisks.
8. Further installation is made as it should be the return to an order of dismantle of components. If replacement of components of the klapanny mechanism was made, execute check and adjustment of klapanny gaps (see. Section Check and adjustment of gaps of valves).