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 does the cooling system work on a VW Jetta?
Your Jetta’s cooling system works by cycling the engine coolant from the engine through the radiator. The water pump pushes the water through the entire system. The thermostat opens up once the engine reaches operating temperature and allows coolant in. If any part of this system fails, your Jetta will eventually overheat.
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.
What kind of drill do I need for Jetta thermostat?
A 3/8 drive 13mm or 1/2in deep well socket (and ratchet), 10mm deep well, 5/16 standard, 5/8 open end, 5/32 drill bit (or something similar in diameter), 5mm Allen wrench, large slotted screwdriver and a basin to catch anti-freeze. Loading…
How long does it take to replace timing belt on 2.0 Jetta?
How long does it take to replace the VW Jetta timing belt on the 2.0 Turbo FSI? The average timing belt service labor time for this engine is around 6-8 hours depending on the technician’s experience and the amount of timing belt parts being replaced.
What happens if the thermostat is stuck in the open position?
If stuck in the closed position, the thermostat will not allow coolant to circulate, causing the engine to heat up dangerously; if stuck in the open position, the engine will never reach proper operating temperature, causing fuel consumption and poor engine performance. In either case, the thermostat must be replaced.
How do you change the radiator on a VW?
Raise the front of your Volkswagen with a floor jack and support it on two jack stands. Detach the insulation tray from the bottom of the radiator using a ratchet and socket, if your particular model is equipped with one. Place a catch pan underneath your Volkswagen radiator. Open the radiator drain valve and drain the coolant.