Coolant leak

2000 VOLKSWAGEN JETTA
25,000 MILES • 4 CYL • MANUAL
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KEITH STYERS
  • MEMBER
  • 1 POST
Coolant leaks fast while driving, looks like it is leaking down the pulleys. When I started to remove the bottom pulley the leak got even faster. Could the cause be a gasket?
Aug 20, 2017 at 3:36 AM
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HARRY P
  • ✓Experienced Mechanic
  • 2,292 POSTS
Coming from the front of the engine the most common cause would be the water pump or its gasket. That pretty much goes for all cars. I would borrow a cooling system tester from the local auto parts place and follow the leak to see where it starts. Here is a how-to guide: https://www.2carpros.com/articles/radiator-pressure-test.

Do this when the system is filled. Then when you pump up the pressure coolant will come seeping out or you will hear air whistling out somewhere. Either way, that is your leak.

Do that and let us know.
Aug 20, 2017 at 8:03 AM
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