Question about 1999 Chevrolet Silverado 1500

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2010 Chevy Silverado 1500 leaking water on floor from a/c after 2 hours of driving, does not leak on short trips, truck has only 6,000 miles, took it in for warranty and dealer says they can't do anything because they can't drive it for 2 hours for it to happen, any suggestions.

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It may just be condensation off the truck's cold side of the A/C unit.

Posted on Jul 13, 2010

  • Kart57 Jan 10, 2012

    I just wanted to update, I'm still getting water on the floor from ac with my 2010 chevy silverado im sure it is condensation, when water drips on the floor it is quite a bit especially when i turn a corner it really comes out and cold, if I don't use recirculate I don't get water on floor, I do live in south Florida I'm sure the humidity doesn't help. The truck now has around 20,000 miles January 2012

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Since my wife only drives 6,000 miles per year, I've only changed the oil yearly. Now it has serious sludge build-up. Have I caused the problem?


Partially. I assume she mostly makes very short trips. This is part of the problem. I suggest you don't clean it. This will lead to other internal problems. Just keep doing what your doing until it dies one day. As long as it runs decent and you have oil pressure. And it doesn't knock(rod bearings) or tap(lifters). Just drive it. Again, just assuming, You are fixing an oil leak. You can clean the part you took off, just don't clean the engine. Your asking for problems if you do.

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Sounds like a vacuum leak. Spray carb/throttle body cleaner at all fuel and air intake areas ie; intake manifold to heads, throttle body to intake, all vacuum hoses, etc. Work the throttle to keep it running or have someone inside doing it. You will know if the carb cleaner gets sucked in somewhere. That will be the location of your vacuum leak.

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