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
      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
      Removal, check of a condition and installation of assembly of yokes
      Replacement of maslootrazhatelny caps and klapanny springs with plates
      Removal and installation of a gas-distributing belt and cogwheels 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
   + DOHC Engines
   + 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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Check of a condition and replacement of support of a suspension bracket of the power unit

Support of a suspension bracket of the power unit extremely seldom need the attention, however the damaged pillows should be replaced without any delay in order to avoid increase of loadings and premature wear of components of the transmission line.


On considered models the suspension bracket of the power unit is realized by means of four rezinometallichesky support. By means of the right forward and back support the block of the engine fastens to the bearing cross-section beam laid from below. Left the lobby and a back support fix a transmission part of the unit to a car frame.

CHECK

 PERFORMANCE ORDER

1. For check it is necessary to raise slightly the engine, having completely unloaded support.
2. To Poddomkratta the car also establish it on props. Hang out the unit from above on the winch or a beam.
3. Check pillows of support on existence of cracks, signs of hardening of rubber and its otsloyeniye from the central metal plugs.
4. Estimate size люфта between assemblies of support and power a car unit/frame (as the lever use mount or a big screw-driver). In case of identification of a weak point lower the unit and tighten fixture of support.
5. Pillows in order to avoid destruction of rubber should be processed by special protective structure.

REPLACEMENT

 PERFORMANCE ORDER

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! Cock the parking brake, поддомкратьте a front of the car and establish it on props. Remove protection of a case.


Forward and back support of the engine (right)

 PERFORMANCE ORDER

1. Hang out the unit from above.

2. Turn out through bolts of fastening of support to a cross-section beam.

3. Turn out fixing bolts and remove a cross-section beam from the car chassis.
4. Turn out through bolts of fastening of support to arms on the engine block.
5. Installation is made upside-down.

The final tightening of fixture of support with demanded effort should be made only after lowering of the power unit in regular situation. Pass to performance of procedures of a final stage of a tightening of fixture.


Forward and back support of transmission (left)

 PERFORMANCE ORDER

The transmission (left) party of the power unit also fastens by means of two support - forward and back.


Forward left support

 PERFORMANCE ORDER

1. Prop up transmission under a dome a jack. Turn out a through bolt of fastening of a support to the chassis and three bolts of its fastening to transmission. Remove support assembly.

2. Installation is made upside-down.

The final tightening of fixture of a support with demanded effort should be made only after lowering of the power unit in regular situation. Pass to performance of procedures of a final stage of a tightening of fixture.


Back left support

 PERFORMANCE ORDER

1. Working under the car, turn out nuts of fastening of an arm of a support to a transmission case.

2. The through bolt of fastening of a support to an arm of the chassis is given from above, - previously remove air purifier assembly with an inlet sleeve.

3. Omit transmission so that the arm of transmission acted in film from fixing hairpins, then remove a support.
4. Installation is made upside-down.

The final tightening of fixture of a support with demanded effort should be made only after lowering of the power unit in regular situation. Pass to performance of procedures of a final stage of a tightening of fixture.


Final stage of a tightening of fixture of all support

 PERFORMANCE ORDER

For the purpose of the maximum extension of service life of rezinometallichesky support and decrease in level of noise and vibrations the final tightening of fixture of support with demanded effort should be made after lowering of the power unit in regular situation (the car should be parked on an equal horizontal platform).

It is necessary to grease a carving part of fixture with special hermetic for fixing of carving connections. Track, that rubber plugs were not braided or displaced from the seats. If replacement more than one support was made, and also at installation of the power unit the tightening of fixture of support should be made in the following order:

a) Bolts of fastening of a cross-section beam;
b) Right back support;
c) Left forward support;
d) Right forward support;
e) Left back support.