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1999 silverado leaking


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My 99 1/2 ton Silverado has an unusual leak. Normal AC run off I guess you would call it comes out behind the passenger front wheel. Mine comes out under the dash and soaks the carpet on both sides. And no it is not a heater problem. Any ideas where to start? I can't seem to see where it comes from . It runs like a still!

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Semi flexible cable or plastic enclosed wire up through the tube should dislodge.

 

The plastic around the evap coil is underneath/behind glove box/center console. The complete removal requires a lot of disassembly. You might be able to partially drop the bottom half of the case and reach in - but doubtful.

 

Sent from my XT1053 using Tapatalk

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  • 2 weeks later...

Is this a water problem when it rains? Here is a long shot. Check to see if there is water running down the A pillar behind the A pillar plastic trim.

 

I had to silicone the trench on the roof where the roof panel and side stamping come together on the driver side (without the door) That fixed my leak.

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