Question about Chevrolet Cars & Trucks
Hear water or coolant coming from dash area when moving from a dead stop
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Posted on Jan 02, 2017
Thank you for allowing me to assist you with your issue.
Since you have described that there was a buildup of leaves under your hood, my experience here indicates that the "cowl drains" are also plugged up with debris. The "cowl" is where the air enters the heater box intake (this is the area under the hood, in front of the windshield, with a black screen-looking thingy under the wipers). Since air has to get in here, water & debris can also get in. There are drain areas on both sides of the cowl (in the corners) to eliminate water from building up in the cowl area. Try this: Take a bucket of water, and dump it under the windshield area where the screen is on the cowl panel. Look behind each of the front tires for water draining onto the ground. You should see a very steady stream of water on both sides. If not, you may have to take a garden hose & spray vigorously until the debris is carried thru. You could also take off the wipers and the plastic cowl panel for easier access to the corners where the drains are blocked. In any case, a large volume of water will usually make its way thru the blockage. This will cure your issue. Please repost if you have any further questions, or need additional assistance; glad to be of service to you.
Posted on Oct 14, 2008
SOURCE: 2000 Buick Lesabre
If you smell antifreeze in the vents, you have a bad heater core. If not, it a sign that the coolant system is either low on antifreeze or has a blocked coolant vent passage.
Posted on Nov 08, 2008
I have the same thing on my rodeo, I thought it was just dripping through the heater core, I don't have any leaks, I know it's not the water pump. Mine only makes the sound when I shut it off. Yours might be the ac drain, If it's clogged, it will collect water, eventually it will drip on the floor. There is a drain plug on the fire wall, sometimes gets clogged with dirt, mud, bugs, undercoating, whatever. Check it out.
Posted on Feb 21, 2010
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