Hi,

 

Anyone help me on this?

 

Just joined this on behalf of my flat mate, as her Octavia is leaking badly. Been reading about possible causes. Lifted carpets and removed passenger seat to try and find the cuprit! Thought it was the skuttle panel or perhaps the rear door seal but they seem fine. Poured water over windscreen and bulk head but nothing visable. Had some right heavy down pours there! Went out and spotted it slowly dripping in at a seam just under the glove box- Is that common? car was parked facing up hill that time. surely some sealant should fix that and suppose I should check behind the wheel arch for correct drainage? Never really looked at the grommet under the skuttle but this seems lower down, at back of wheel arch.

 

Also a bit confused as there is a hole on the rear floor, water is coming up through this, what the hell is this? Going to get some proper sealant as ordinary stuff still let water through. Is it a jacking point or something? round hole with a rubber bit in the middle, looks cracked round the edge,

 

Strange design with water running under the floor pan...

 

Forgot to mention the hole in the boot too! Definately not suited to Scottish winters.

 

Any info appreciated,

 

Thanks,

Allan

Edited 15 January, 201511 yr by Allayr35

It could well be that grommet by the pollen filter, check that and filter housing. Other than that could be full of silt behind rear of arch liner causing that drainage area to fill with water and get backed up. If your door sills are clear and dry when you open the door after rain I'd bet it's one of those 2 things. Maybe even both.

Oh and water in rear could be the water from front running over floor to the back through driving and motion. I had a Seat with water ingress which also had the plug you describe in front drivers footwell and looked in a bit of a strange state, but it was the door membranes in that, the 'plug' wasn't the problem at all. Start with those mentioned above and get the carpets dry. You'll then know more clearly if that plug is a problem. Lots of threads around about this, bit of a common problem I'm afraid.

Thanks for the info, I could definately see it dribbling in directly at the bottom of a seam under the glove box, I'll get a look behind the ach liner to see if its clogged up, don't see it coming in through any grommit. The hole/plug thingy? Water must be running under the floor from the front, floor was dry this morning, parked facing downhill. Managed to seal water leaks the past but this one is tricky! 

 

Got some CT1 from work, can use this stuff under water, glue ships to harbours its that good, ha.

 

Thanks again.

Sounds good, even if grommet doesn't seem to be the obvious problem it would be worth drying it out and building up a seal around it anyway.

P.s when I did my arch vent after I got the car I found a 4 inch high tower of silt behind liner on both sides, just a matter of time before that becomes a problem.

ive just had the same problem on my mk1, the problem turned out to be a piece of plastic that attaches to the underside of the panel that runs from the windscreen to under the bonnett, it actually diverts the rain water away from the  pollen filter, the peice of plastic had come away and the water poured in via the pollen filter.

Good luck

Ian

ive just had the same problem on my mk1, the problem turned out to be a piece of plastic that attaches to the underside of the panel that runs from the windscreen to under the bonnett, it actually diverts the rain water away from the pollen filter, the peice of plastic had come away and the water poured in via the pollen filter.

Good luck

Ian

I had similar issues when I bought mine, but previous owner had tiger sealed the plastic piece in the complete wrong place which actually diverted water straight into the pollen filter

Cheers guys,

 

I have sealed up the two strange plugs on the rear floor and around that seam at the back of the wheel arch, Allen head screws are rounded so need to drill them out to look under the cover. See if it holds, sealant was a bit old/putty like but thick and sticky - think it is still better than likes of gutter sealant.

 

P.S Had a look underneath at the plug - Anyone know anything about this? how it drains? seems like a void for drainage behind the plug, could I simply drill a hole in this to let the water out?

Have you got access to a dehumidifier? There's also those disposable dehumidifier things from pound land, those pots with the balls in, quite effective, might help dry it out a bit without drilling holes in your floor. Not the kind of thing I fancy doing.

Did you check grommet for integrity and filter housing for ingress? Was your filter itself dry?

Hi,

 

Its no bad, cut out the undelay and rest is lifted to air dry. It is difficuly to explain but wouldn't be drilling direct through the floor, appears to be a a void under the floor where I presume the water is flooding into and building up then rising through the plug - Maybe coming from the rear or front? I don't know. Marority of it did seem to be rising up through that plug in rear, just concerned where it will go now if I have managed to seal it successfully...Maybe get a picture of it when I get time.

 

I haven't had the skuttle panel off again to check the filter but it was dry in there the last time I had it off, top of bulk head under the dash is dry. Sorry maybe I am missing something but don't see the point in checking the grommet and housing again if it was actually seeping in through a join the metal body?

 

.

It could be that it's working it's way down from there and finding it's entry point. But then you've got a better idea of what you've seen and checked. If it were I'd probably be making double sure that common problems and everything that should be sealed is sealed, even if it looks it to rule things out. Are you sure that water in the rear isn't just gathering around that plug from running from front to back, rather than rising up through it? In my Seat the carpet rear drivers side was soaking, especially in the centre, but front drivers door was the problem. It's not always clear how water moves across the floor so it can be misleading, also in this weather with low ambient temperatures and condensation developing between carpet and tray it only adds to the confusion. Don't get me wrong I'm not being funny, just saying things aren't always as they appear. I'd be focusing on where you've seen it coming through under glove box, you may well find that that is why the rear is wet.

No I know, you're right, worth checking the common areas to be sure, just hassle/time and it is an old/done car to be honest and not mine - Flat mates. I have my own car and my bike I need to get to. 

 

Seat is out, carpets fully up to diagnose where it was coming in, first I suspected the door seal but spotted the leak in seam and certain it is rising through that plug too as it is wet inside the hole and when I sealed it first time, water was still seeping up through the sealant, absorbing the water. I should have taken a photo before I applied the sealant. I'll aybe lift the other side to show you what/where I mean. I think I'll put a pin hole in the underside in that void and see if water comes out.

 

Let you know the results, cheers again!

No worries just hope you get it sorted. These issues are frustrating enough when it's your own car let alone when you're doing someone a favour.

Just went out for a nosy, had a crawl underneath, my mistake no void, just the underside of the rear seat, no sure what to think now. Took a picture of the part in question - Like a drain nipple, tons of them all over the underside! Poked a hole in the side of it, does look like there is a channel running it line from the front to this, God knows!

 

 

Yeah I reckon the rear is wet through water moving across the floor, causing condensation and getting sucked up by the carpet. If you're sure the door membranes are all good focus on the glove box area. I have heard of issues with the B pillar but I think that's more associated with sunroofs, not sure though never had that myself. How was the area behind the front arch liners? Get your flatmate to pour water down the windscreen passenger side while you get your head into the footwell and watch for the ingress.

Hi a, yes I tried that before and unless there is a huge delay in the water reaching the inside, then nothing. Looked at the liners but heads are all rounded on the bolts, need to drill them out. Think I have tried all I can with it, need to put it back together and if it is still bad then she'll just have to spend bucks at a garage and have them sus it out.

 

Would likely be more than the car is worth!

 

Thanks again for your help.

Nightmare mate, sounds like you may be approaching the dead end if you haven't hit the wall already.

I had similar issues when I bought mine, but previous owner had tiger sealed the plastic piece in the complete wrong place which actually diverted water straight into the pollen filter

Nightmare, it makes you wonder what else he may have got wrong (nothing I hope)

 

I had similar issues when I bought mine, but previous owner had tiger sealed the plastic piece in the complete wrong place which actually diverted water straight into the pollen filter

I had a soggy foot well problem myself. turned out to be the water drain from the sunroof were clogged and the water was running down the pillars into the footwell.