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
9a1e70e9



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 central forward and back support the block of the engine fastens to the bearing cross-section beam laid from below. The right support fastens to a forward cover of a drive of GRM and a car frame. The left support serves for fastening on a frame of a transmission part of the unit.

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 (central)

 PERFORMANCE ORDER

1. Get a telezhechny jack under a transmission case as it is possible closer to a cross-section beam, - for the purpose of distribution of loading lay between a head of a jack and a case wooden whetstone. Cock a jack, having completely unloaded the corresponding support of a suspension bracket of the power unit.

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. Remove support.
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.


Right support

 PERFORMANCE ORDER

1. Hang out the engine from above on the winch or a beam.

2. Remove the top arm and turn out a through bolt of a support.

3. Slightly raise the engine, then give nuts of fastening of a support to the bottom arm of the engine. 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.


Left support

 PERFORMANCE ORDER

1. Get a telezhechny jack under a transmission case (not under the pallet, - models with AT), - for the purpose of distribution of loading lay between a head of a jack and a case wooden whetstone. Cock a jack, having completely unloaded the corresponding support of a suspension bracket of the power unit.

2. Remove air purifier assembly with an inlet air line (see. Head of the Power supply system and release). Turn out a through bolt of an arm of the left support of the power unit.

3. Slightly omit transmission and turn out bolts of fastening of a support to it. Remove support assembly.
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) Back support;
c) Forward support;
d) Left support;
e) Right support.