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Dave Nova
Dave Nova, Cadillac Technician
Category: Cadillac
Satisfied Customers: 1522
Experience:  ASE Master Certification. GM World Class Certification
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I have 2005 sts water is coming from under dashboard on

Customer Question

I have 2005 sts water is coming from under dashboard on passenger side and it is blowing heat out of the back vents when the ac is on also has starting a tapping/clicking noise in the dash on the driverside
Submitted: 3 months ago.
Category: Cadillac
Expert:  david craig replied 3 months ago.

Hi Im David, if its water and the ac isnt working in all vents, then unfortunately the ac evapoarator has a hole in it and will need to be replaced.

Expert:  david craig replied 3 months ago.

do you still need assistance?

Customer: replied 3 months ago.
Would the dashboard need to be removed to check this
Expert:  david craig replied 3 months ago.

yes. unfortunately it would

Expert:  david craig replied 3 months ago.

does the leak smell like refigerant?

Expert:  david craig replied 3 months ago.

let me check to see where the evaporator drain is. we might be able to get by with just trying to unclog the drain, because if its only water and not refrigerant then its the drain thats clogged.

Expert:  david craig replied 3 months ago.

1. Remove the center console.
2. Remove the rubber adhesive patch (1) from around the drain tube (2).
3. Open the flap in the tunnel insulator and unsnap drain fitting from the tunnel sheet metal.
4. Remove the HVAC module drain tube from the HVAC module.

Customer: replied 3 months ago.
It doesn't smell like refrigerant smells like water
Expert:  david craig replied 3 months ago.

ok, then you need to do the last thing i sent to you....thats a good thing!!

Expert:  david craig replied 3 months ago.

hows it going?

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