Suzuki Grand Vitara SQ416/SQ420/420WD

since 1998 release

Repair and operation of the car


Suzuki Grand Vitara
+ General information
+ Maintenance and lubricant
+ Heater, ventilation and conditioner
+ Steering
+ Suspension bracket
+ Wheels and tires
+ Forward driving shaft / bearing of a shaft. Oil epiploon
+ Driveshafts
+ Brake system
+ Engines
+ Fuel system
+ System of ignition
+ System of start
+ System of release
+ Transmissions
+ Coupling
- Transfer
   General description
   - Diagnostics
      Diagnostic table
   + Service out of a workshop
+ Forward and back differentials
+ Windows, mirrors, locks and security measures. Immobilizer
+ Electric equipment

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Diagnostics

Diagnostic table

Before to try to repair transfer or the related components concerning any malfunctions, except mechanical, it is necessary to define malfunction mode and the possible reason.

Malfunctions of transfer are found at emergence of difficulties when switching, for example, the excessive effort necessary for transfer switching, knock of gear wheels or extra earnings of gear wheels. When there is any of these states, it is necessary to carry out the following inspection before to investigate transfer:

 PERFORMANCE ORDER

    To check transfer oil level regarding its sufficiency or compliance like oil. See the Section Check Transformer and reduktorny oils in the Head Maintenance and lubricant. To check transfer fasteners for wear or weakening. To check the gear shifting lever for a distortion, deformation or excessive wear.

After performance of above-mentioned checks you pass to the following table of diagnostics.

State

Possible reason

Elimination

The gear wheel jumps out from a hook

The switching fork axis is worn-out

To replace

The fork of switching or zolotnik of the synchronizer is worn-out

To replace

The adjusting spring is weakened or damaged

To replace

Bearings on the conducted back shaft are worn-out

To replace

The rounded-off tooth on a zolotnik or a gear wheel is worn-out

To replace a zolotnik and a gear wheel

The lock ring (rings) is not enough or is faulty

To repair or replace

Gear wheels "do not want" to be uncoupled

The synchronizer spring is weakened or broken

To replace

The shaft of switching or fork of switching is deformed

To replace

The complicated switching

The spring of a shaft of switching of the forward drive is weakened

To replace

The lock ring and washer of a shaft of switching of the forward drive are deformed or incorrectly located

To replace

Inadequate or insufficient lubricant

Add transfer oils

The synchronizer ring is worn out

To replace

The rounded-off tooth on a zolotnik or a gear wheel is worn-out

To replace a zolotnik and a gear wheel

The switching shaft is deformed

To replace

Noise

Inadequate or insufficient lubricant

Add transfer oils

The bearing(s) is damaged or worn-out

To replace

The gear wheel (gear wheels) is damaged or worn-out

To replace

The synchronizer ring is damaged or is worn out

To replace

The rounded-off tooth on a zolotnik or a gear wheel is worn-out

To replace a zolotnik and a gear wheel