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[TheStid]

I have recently noticed (or my teenage daughter did!) water in the rear n/s footwell, around the socket where the fittet floor mats would clip in. The area is pretty well sodden. I cannot find any evidence of it coming from from the doors/windows etc. It dosn't appear to be coolant (no smell or taste);  no sunroof which would rule out any blockages from that area. I have done a basic check in the front by pushing fingers and thumbs hard down on the carpet and cant find any evidence of water there (not lifted the carpets yet!)

[TheBoy]

I suspect scuttle drain blocked, causing water to come in via pollen filter and cabin fan unit.

Scuttle drain is just below pollen filter - if there is water in there, its blocked.

Resolve this quickly, as the water coming through fan will at best destroy the fans speed controller, and may damage the motor itself.

[TheStid]

Is it easy to get the cover over this area off? (not had to work on me own car since me old Viva )

[bappy]

are the kids allowed to drink whilst in the back of the car? ? ?  

[albitz]

Is it easy to get the cover over this area off? (not had to work on me own car since me old Viva )

it is a very easy job to do.there is a guide in maintenance guides section.

[TheBoy]

Is it easy to get the cover over this area off? (not had to work on me own car since me old Viva )

Open bonnet.
At back of engine bay, on edge of scuttle (plastics under wipers) is a rubber strip.  Lift this off passenger side.
You see on scuttle, passenger side, is a small (18" x 3" or so) flap, lift the front edge to reveal pollen filter.
Under pollen filter is an expanse of emptiness, at the bottle of this is a small rubber drain.  Its this that blocks, causing that emptiness to fill with water, overflowing through pollen filter.

HTH

[TheStid]

yeah..but already discounted this one. It had dried but was wet again yesterday and kids not been in the car all week.
I had a thought though..I do reverse the car on the drive which is gently sloped down to the garage door, therefore anything coming from the front would trickle down to this area. Will inspect when I get home (if I can see how to remove the plastic panel above the pollen filter)

[TheStid]

Sorry missed that one when I was posting previous reply. Sounds like a piece of whatsit...will do the biz and check it out,

Thanks for the help

[Pitchfork]

If it's not the scuttle drain then it may be coming from the sun roof (if you have one)
The drains at the front of the frame become blocked, rain accumulates & finds it's way in under the roof lining, down the A pillar & into the footwell
Check to se if your roof lining is soggy

[Entwood]

If it's not the scuttle drain then it may be coming from the sun roof (if you have one)
The drains at the front of the frame become blocked, rain accumulates & finds it's way in under the roof lining, down the A pillar & into the footwell
Check to se if your roof lining is soggy

I have recently noticed (or my teenage daughter did!) water in the rear n/s footwell, around the socket where the fittet floor mats would clip in. The area is pretty well sodden. I cannot find any evidence of it coming from from the doors/windows etc. It dosn't appear to be coolant (no smell or taste);  no sunroof which would rule out any blockages from that area. I have done a basic check in the front by pushing fingers and thumbs hard down on the carpet and cant find any evidence of water there (not lifted the carpets yet!)

My moneys on the scuttle or a door seal  

 

[TheStid]

Hmmm...Ok, scuttle area seems clear; can see the drain and no water...poured a bottle of water down and it all came out underneath.
Checked under the front carpets and lo and behold...H2O. Definately not coolant though..no smell or taste, is there anything from th A/C that could deposit copious amount of water into this area? Door seals all look OK.

[sophos9]

AC drain pipe blocked - drains from heater matrix area through gearbox tunnel.

You need to be right under the car, look up above the gearbox and you will see the drain pipe - push summin up there to make sure its clear!

[TheStid]

Thanks for that...will try to have a look...not got any ramp or pit facilities but might just be able to slide my self underneath enough to see, and yeah I will make sure wheels are chocked, car in gear h/brake on

[Marks DTM Calib]

Check and double check the scuttle drain, do make sure its totally clear as this IS the most likely cause, clean it out thoroughly dont just carry out a quick test.  

In heavy rain, this can fill up very quickly!

[TheStid]

Funnily enough...when this was first noticed it was Wednesday before last after a really grotty drive from Hants to Nottingham in heavy rain and spray, the M1 was like a river all the way from M25, although I would have thought that would have pretty much dried out by now..or am I wrong?
I did extract (from the lower end of the drain) a peice of insulating tape and from this end it did seem clear all the way through (can't reach it from the top and didn't have any thing I could bend into position. Will have another go tonight. One other point, I am sure I could just see daylight from the back corner of the 'pit' but not sure if this was just my eyes playing up after a hard day at work.