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Matt, Engineer
Category: Car
Satisfied Customers: 21614
Experience:  Honors degree in Mechanical Engineering, worked 8 years as a Formula 1 engine engineer.
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I keep getting water come in from my air vents drivers floor

Resolved Question:

I keep getting water come in from my air vents drivers floor
Submitted: 8 years ago.
Category: Car
Expert:  Matt replied 8 years ago.
Does the vehicle have air conditioning?
When do you get water ingress, Is it only in wet conditions?
Customer: replied 8 years ago.
yes i have air con, no this has only started the past few days which have been hot & dry
Expert:  Matt replied 8 years ago.

This sounds very much like the drain line from the condensor unit is somehow blocked as the AC will de-humidfy the incoming air and the water is supposed to drain out under the car via a vent or pipe.

The pipes run either side of the transmission tunnel, and end up either side of the gearbox, by the catylsts. They have a simple rubber "one-way valve" on their ends, to stop water going back up whilst wading. However, these block up with road-dirt and the condensation then fills the pipes and spills back into the footwells.

Clean the pipes / valves out and that should fix things.
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