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Damp passanger footwell

Posted: Fri Dec 16, 2016 2:58 pm
by Cooz93
I've been noticing a smell of damp in the car lately, and also moisture inside the windscreen. Hoovered the passanger side footwell and noticed it was pretty moist. Lifted the carpet and the section below was soaked. Had a quick look around and can't see any obvious lines of leak, and the carpet about the floor section is dry..

The cuttle looks clear and unblocked. Anywhere else I should be looking? Any help appreciated, need this sorted!:)

Re: Damp passanger footwell

Posted: Fri Dec 16, 2016 3:40 pm
by xjay1337
Poke plumbing wire down the drain hole under the windscreen.
It may look clear usually the blockage is on the way down not on the top.

If the windscreen has recently been replaced it could be that also.

Love a bit of moistness myself.

Re: Damp passanger footwell

Posted: Fri Dec 16, 2016 4:45 pm
by Technane
In the old mk4 golf this would signify issue with the heat exchanger in the car, does the damp smell sweet?

Re: Damp passanger footwell

Posted: Fri Dec 16, 2016 7:04 pm
by Cuprabob
Check the passenger door seal and that your passenger window is going right up and sealing.

Might also be worth pulling out the pollen filter to check it's dry. If it's not, it'll give you a clue.

Also think about how the car normally sits as water doesn't always gather near it's source of entry.

Re: Damp passanger footwell

Posted: Sat Dec 31, 2016 9:13 pm
by Cooz93
Which side is the drain at? Have the passanger side scuttle off and it's clean and dry, no blocked holes etc

Pollen filter also bone dry

Re: Damp passanger footwell

Posted: Sun Jan 01, 2017 9:05 am
by xjay1337
have You checked door seals
Do you have sunroof.

Re: Damp passanger footwell

Posted: Sun Jan 01, 2017 11:44 am
by Cooz93
xjay1337 wrote:have You checked door seals
Do you have sunroof.
No sunroof mate. Trying to dry the floor out so I can run some water over the seals later, see if any leak.
Ideally I would remove the carpet but seems like a big job

Re: Damp passanger footwell

Posted: Sun Jan 01, 2017 11:59 am
by Roy_01
A blocked ac evaperator drain is also possible, it's somewhere behind the centre console on the bottom.
But i think it's on the driver side on a rhd.

Re: Damp passanger footwell

Posted: Sun Jan 01, 2017 8:47 pm
by Cooz93
Image

Black section bone dry..

Image

Shape of where the wetness is.. I'm thinking door seal but hard to pin point where??

Re: Damp passanger footwell

Posted: Sun Jan 01, 2017 10:19 pm
by Roy_01
Isn't there a wire guide to the engine bay there? Or where the ecu is sitting, maybe this seal is damaged.

Re: Damp passanger footwell

Posted: Mon Jan 02, 2017 12:28 am
by Cooz93
Technane wrote:In the old mk4 golf this would signify issue with the heat exchanger in the car, does the damp smell sweet?
Have noticed the coolant level has dropped.. Coincidence or possibly more

Re: Damp passanger footwell

Posted: Mon Jan 02, 2017 10:57 am
by Cuprabob
Cooz93 wrote:
Technane wrote:In the old mk4 golf this would signify issue with the heat exchanger in the car, does the damp smell sweet?
Have noticed the coolant level has dropped.. Coincidence or possibly more
Coolant has a distinctive sweet smell so it should be obvious if the cause is a leaking heater matrix.