How To Replace Thermostat On Mk4 Volkswagen 2 0 4cyl 8v Golf Jetta When performing work please make sure the car is cold. you do not want to do this with a hot engine. i am not liable if you hurt kill yourself performing t. Thermostats are a simple device that regulates coolant flow through the engine. when cold it will stay closed, stopping coolant flow and helping the engine.
How To Replace Thermostat On Mk4 Volkswagen 2 0 4cyl 8v Golf Jetta Volkswagen 2.0l jetta beetle thermostat replacementdisclaimer:this video is not meant to be a definitive how to.always consult a professional repair manual b. Step 9. open the reservoir cap carefully using a shop rag and release the steam. add more coolant mixture to bring the level up to the upper line or max mark again. as you operate the vehicle, keep checking the coolant level at the reservoir and add more until the level stays at the upper line or max mark with the engine cool. the thermostat on. Use a series of extensions and universal joints to remove the bolts. pull the housing off the motor and you can get access to the thermostat. remove the old thermostat and install the new one. make sure that the rubber o ring goes on the outside of the thermostat between it and the housing. Replacing the thermostat is relatively easy, although the alternator must be removed in order to access it. please see our article on alternator replacement for more information. once the thermostat is replaced, you'll need to purge the system of air using a vacuum bleeder. see our article on coolant flush and replacement for more information.
Volkswagen Jetta Mk4 Thermostat Replacement Jetta Mk4 1999 Use a series of extensions and universal joints to remove the bolts. pull the housing off the motor and you can get access to the thermostat. remove the old thermostat and install the new one. make sure that the rubber o ring goes on the outside of the thermostat between it and the housing. Replacing the thermostat is relatively easy, although the alternator must be removed in order to access it. please see our article on alternator replacement for more information. once the thermostat is replaced, you'll need to purge the system of air using a vacuum bleeder. see our article on coolant flush and replacement for more information. Camshaft position sensor hall sender 18. engine coolant temperature sensor (ect sensor) 19. low pressure oil switch 20. a c cut off 21. brake fluid resevoir brake booster 22. coolant level sensor 23. fan control module (fcm) 24. clutch cable (self adjustable) see less see more. Remove the bolts and the hose clamp indicated below. in the left side of the engine (sitting in the car), above the transmission is a single 12 point (triple square) bolt. remove it to get play on the rigid coolant pipe and you now have enough play to push it around and get the thermostat out. you have to remove the air intake box for clearance.
Volkswagen Jetta Mk4 Thermostat Replacement Jetta Mk4 1999 Camshaft position sensor hall sender 18. engine coolant temperature sensor (ect sensor) 19. low pressure oil switch 20. a c cut off 21. brake fluid resevoir brake booster 22. coolant level sensor 23. fan control module (fcm) 24. clutch cable (self adjustable) see less see more. Remove the bolts and the hose clamp indicated below. in the left side of the engine (sitting in the car), above the transmission is a single 12 point (triple square) bolt. remove it to get play on the rigid coolant pipe and you now have enough play to push it around and get the thermostat out. you have to remove the air intake box for clearance.
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