air con leak

[Lucysdad]

does anyone know why the air con in my 97 vectra would leak ALOT of water into my passenger foot well. I'd like to find out a bit more before i go to a garage.

[tom hopkins]

have you checked the drain holes under the bonnet? they sometimes get blocked with leaves & overflow.

[kepla]

If it isn't water coming in fromthe air 'plenum chamber' due to blocked drain holes like suggested then it could be condensation. The air chamber inside the car, off which all the air hoses lead, will accumulate condensation as the air con is cooling down warm air - and cool air can hold less water than warm air. The system should be designed so that this condensation just drips out through tubes to underneath the car. If these tubes get blocked, then the chamber will accumulate water which will eventually end up splashing out of a vent and onto your foot - or your passenger's. Jaguars are quite prone to this problem, and it is a good idea to get under the car every year and poke the drain tubes clear with a piece of wire. I wouldn't be surprised if your Vauxhall needs the same attention.

[Lucysdad]

thanks for your reply's. i had already cleared the vents and it was still getting wet so i will try the drain holes.cheers