Transfer case Suzuki Grand Vitara with automatic transmission
Introduction
The transfer case is a key component of the Suzuki Grand Vitara’s all-wheel drive system, connecting the engine drive shaft to the front and rear axle differentials. It distributes engine power between the front and rear wheels depending on road conditions.
Types of transfer cases
Suzuki Grand Vitara with automatic transmission uses two types of transfer cases:
* Full-time four-wheel drive transfer case: Distributes power between the front and rear wheels in a 50:50 ratio. Provides constant grip in all conditions.
* Transfer case with selectable all-wheel drive: Allows the driver to switch between rear-wheel drive (2WD) and four-wheel drive (4WD). The transfer case engages automatically when slippage is detected, providing extra traction when needed.
Transfer case operating modes
The Grand Vitara transfer case has several operating modes:
* 2H (rear-wheel drive): Power is sent to the rear wheels only. Used under normal road conditions to save fuel.
* 4H (all-wheel drive): Power is distributed evenly between the front and rear wheels. Used to provide additional traction on slippery surfaces or off-road conditions.
* 4L (all-wheel drive low): Distributes even more power to the rear wheels and reduces the gear ratio. Used to overcome steep climbs or drive off-road at low speed.
Transfer case device
The transfer case consists of the following main components:
* Housing containing gears and shafts
* Input shaft connected to motor drive shaft
* Output shafts connected to front and rear differentials
* Solenoid or electric actuator to engage all-wheel drive
* Sensors monitoring the state of the transfer case
Transfer case maintenance
The transfer case requires regular maintenance to ensure optimal performance:
* Oil change every 60,000-80,000 km or more often under severe operating conditions
* Checking the oil level and condition
* Visual inspection of the housing and shafts for leaks or damage
Troubleshooting
Transfer case problems may include:
*Oil leaks
*Noise or vibration while driving
* Difficulty when switching between all-wheel drive modes
* Lack of traction
If any of these problems occur, it is recommended that you contact a qualified mechanic for diagnosis and repair.