Torque converter automatic transmission Grand Vitara
The torque converter in the Grand Vitara automatic transmission performs the following functions:
*Transmits torque from the engine to the gearbox.
* Acts like a clutch, allowing you to move away smoothly.
* Multiplies torque at low engine speeds.
Torque converter design
The torque converter consists of three main elements:
* Pump: Driven by the engine’s crankshaft, it creates a flow of hydraulic fluid that is used to transmit torque.
* Turbine: Connected to the automatic transmission shaft and receives the flow of working fluid from the pump.
* Stator: Located between the pump and turbine and directs the flow of working fluid to increase torque.
Operating principle
When the engine is running, the pump creates a flow of working fluid that acts on the turbine, causing it to rotate. In this case, the stator directs the flow of working fluid back to the pump, increasing the rotation speed and torque.
At low engine speeds, the torque converter multiplies torque, helping the car accelerate smoothly. As engine speed increases, the stator begins to lock, reducing torque multiplication and increasing transmission efficiency.
Types of torque converters in Grand Vitara
The Grand Vitara was equipped with two main types of torque converters:
*Lock-up torque converters: These torque converters have a lock-up mechanism that locks the stator to the pump, eliminating slip and increasing efficiency at high speeds.
*Non-locking torque converters: These torque converters do not have a locking mechanism and are constantly slipping, reducing efficiency but providing smooth shifting.
Torque Converter Maintenance
The torque converter requires regular maintenance, including:
* Replacing automatic transmission fluid
* Cleaning the automatic transmission filter
* Repair or replace worn components