Coolant leak

50

Asked by Mar 02, 2017 at 02:17 PM about the 2003 Volkswagen Passat GLS 1.8T

Question type: Maintenance & Repair

I have a 2003 Volkswagen Passat that I believe the
heater core leaks but while I was looking at the
hoses I noticed a lot of rust and corrosion at the
mounting position of the hoses could the hoses be
leaking from rot I mean I do smell the coolant
inside of the car I'm just trying to make a easier fix
rather than an 8 hour heater core job

4 Answers

100

get autozone to pressure test the system...may be a small leak . if small, stop leak usually does the trick make sure to follow directions

7,485

don't use stop leak ,it's made to plug small holes and thats what your coolant system is . The connections are corroded because there getting wet from coolant that could be coming from nearby , definitely somewhere ,, you need to take care of the leak thats how you fix it .,

100

Stop leak has been used for a hundred years... like I said follow the directions

100

if its your heater core and most likely it is since you smell antifreeze while driving then they are a total pain in the butt to change put the powdered aluminum in if you have an aluminum radiator or the cooper colored stuff if you have a brass radiator and drive on !

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