Automatic transmission thermostat Volkswagen Jetta 6
The automatic transmission thermostat is an important component of the automatic transmission that regulates the temperature of the transmission fluid.
Location and access
* The automatic transmission thermostat on the Volkswagen Jetta 6 is located in the gearbox housing, next to the heat exchanger.
* Access to the thermostat requires removal of the automatic transmission pan.
Function and working principle
* The thermostat has two positions: open and closed.
* In the open position, transmission fluid circulates freely through the radiator, cooling.
* In the closed position, the fluid remains in the transmission, reaching operating temperature faster.
* The thermostat usually operates at a set temperature, usually around 80°C.
Replacing the automatic transmission thermostat
* Replacing an automatic transmission thermostat on a Volkswagen Jetta 6 requires special tools and knowledge.
*It is not recommended to perform this procedure yourself unless you have relevant experience.
* To replace the thermostat you must:
* Remove the automatic transmission pan.
* Disconnect the heat exchanger lines.
* Replace the thermostat.
* Reassemble everything in reverse order.
Signs of a malfunctioning automatic transmission thermostat
* Transmission overheating.
* Gear slippage.
* Strange noises or vibrations when shifting gears.
* The transmission fault indicator lights up.
Technical information
* The automatic transmission thermostat part number may vary depending on the year of manufacture and vehicle equipment.
*Exact specifications and part numbers can be found in the Volkswagen Parts Manual or from your authorized dealer.
Service regulations
* Volkswagen does not indicate a specific interval for replacing the automatic transmission thermostat.
* It is recommended to check the operation of the thermostat every time the automatic transmission is serviced or if you suspect that it is faulty.