Where is the thermostat located on a 1999 Volkswagen Jetta?
The thermostat is located under the thermostat housing (yellow arrow) behind the alternator. Once the coolant is drained from the engine, use a pair of hose clamp pliers to loosen and remove the hose clamp (green arrow) from the radiator hose. Twist the hose and pull it off the thermostat housing.
Where is the thermostat located on a Volkswagen Passat?
The thermostat is located on the driver side of the engine below were the dip stick comes out below the throttle body. Two 10mm bolts hold it in place. Alternatively a 5mm or 5.5mm Allen wrench can also be used depending on the year.
How do you replace the thermostat on a VW Jetta?
Unbolt the housing with the 3/8-inch ratchet and socket. Pull the thermostat and its O-ring out of the housing. Install the replacement O-ring in the thermostat housing by hand. Insert the replacement thermostat into the housing, then bolt the housing to the engine with the 3/8-inch ratchet and socket.
How to change the thermostat in a 2002 car?
Place the thermostat housing back onto the intake manifold and bolt it into place. Start the engine and check for leaks. If there are any leaks, slowly tighten down the thermostat housing until the leaks stop. How to Change the Thermostat in a 2002
What to do if your Jetta is overheating?
If your Jetta seems to be overheating, one affordable option is to replace the thermostat. The thermostat is inexpensive, and replacing it is a straightforward procedure that you can do yourself using basic tools and materials. Park the Jetta on level ground and allow the engine to cool down completely. Lift the hood and prop it open.
How do you remove the thermostat from an intake manifold?
Remove the thermostat housing from the intake manifold by removing the two bolts that hold it in place. The thermostat is under the housing. Pull up on the thermostat housing and hold the radiator hose vertical to push the coolant back into the radiator. Push the hose and the housing off to the side to access the thermostat.