Having problems with your 1997 GMC Suburban ?

1999 gmc suburban has water loss

\015 1999 gmc suburban uses water but no visable sign of a leak. the front floorboards have been wet a few times, could it be a heater core?\015 Posted / edited by AnonymousUser on : 11-12-2017

Answers :

Anti-freeze inside the passenger compartment generally will leave a film on the windshield, and have a bit of a greasy feel. Ideally, if you take a white paper towel or napkin & soak up the liquid, the color would quickly identify it as anti-freeze. even though it's a trace amount.
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\015\012I would expect if you aren't smelling any anti-freeze that you probably are dealing with something else. Water or brake fluid. are about the only 2 other options. Water from a plugged up drain on the heater & A/C box or a potential seal around the windshield which you would have to track down with a water hose & a helper. I would suggest a pressure test on the cooling system to prevent engine damage. If you're using coolant, you're potentially going to overheat sooner or later. That would identify the heater core or wherever the leak may be going. good luck
Good chance that it will be a bad heater core if your floor boards are getting wet, but has the inside of your windshield been fogging up. Most of the time when a heater core goes bad, the inside of the windshield fogs up. If the leak is not that bad, you can add 2 to three table spoon of common kitchen black pepper. The Black pepper will work it's way to the leak and plug it up till your can have it repaired properly and the black pepper will clean up easily when the cooling system get's flushed. Good luck and this should by you some time so you can work on it in the summer. Don't use any radiator stop leak, they just make a mess to your cooling systems water ways.
Repair Help & Product Troubleshooting for 1997 GMC Suburban

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