Water ingress through air vents under wipers?
Moderators: ClaytonSpeed, balmy
Water ingress through air vents under wipers?
Is it possible that water could be getting in when I wash the car through the air vent between the wipers and the bonnet?
I had the windscreen resealed, and it seemed fine, but I washed the car and the front was soaked again in the footwells!
Ideas please lads? Can you put something in to divert the rain toward the engine and away from the cabin maybe?
I had the windscreen resealed, and it seemed fine, but I washed the car and the front was soaked again in the footwells!
Ideas please lads? Can you put something in to divert the rain toward the engine and away from the cabin maybe?
Re: Water ingress through air vents under wipers?
Hi Mick, Yep, a favourite place for water to get in is either around the wipers or washers. It can get in around the heater but any of mine mostly leaked around the wipers or washers. The only way to tell for sure is to install yourself upside down in the footwell so you can see whats happening while you get a willing helper to spray the car with water...
Good luck matey.
1974 White 1.3 Super Coupe, lots of Alfas....
Re: Water ingress through air vents under wipers?
Make like a bat, eh???
Thanks man!
Mick
Thanks man!
Mick
Re: Water ingress through air vents under wipers?
Yep, get Robin to man the hose... 
1974 White 1.3 Super Coupe, lots of Alfas....
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ct90dave
- Posts: 30
- Joined: Wed Sep 23, 2009 12:33 pm
- Location: Otautau, Western Southland, New Zealand
Re: Water ingress through air vents under wipers?
It may be stating the obvious but are your heater drains blocked?
KD66 1981 575 van (Work in progress)
KX1431 1982 Morris 1700 station wagon (Daily driver)
ARP997 1979 Isuzu Journey Bus (Holiday Accom)
MYVSV8 1996 HSV Clubsport 5.0V8 (Toy)
CCN375 1996 Nissan Largo (Family Wagon)
1971 and 1974 Honda CT90 Farm Bikes
1990 Suzuki LTF250 Quad
KX1431 1982 Morris 1700 station wagon (Daily driver)
ARP997 1979 Isuzu Journey Bus (Holiday Accom)
MYVSV8 1996 HSV Clubsport 5.0V8 (Toy)
CCN375 1996 Nissan Largo (Family Wagon)
1971 and 1974 Honda CT90 Farm Bikes
1990 Suzuki LTF250 Quad
Re: Water ingress through air vents under wipers?
Its not obvious at all....because I don't know where the heater drains are!!
Where are they?
Gonna consult my haynes now.
Where are they?
Gonna consult my haynes now.
Re: Water ingress through air vents under wipers?
They're the ones under the bonnet I think. Could be the cause of my leak through the vent. I did clear some crap out but no doubt there's more in there!
Club archivist/chief anorak
1936 Ford Model Y- On loan from the CCLP
1971 1.3 DL Coupe (VRU362J)
1971 1.8 SDL Coupe (CAE419J)
1971 1.8 SDL Saloon (JHC999J)
1971 1.3 SDL Coupe (CHY79K)
1971 1.3 SDL Coupe (JGC240K)
1971 1.3 SDL Saloon (OVW292K)
1971 1.8 SDL Coupe (MCU274K)
1980 Ital 1.3 HL (NPB34W)
1936 Ford Model Y- On loan from the CCLP
1971 1.3 DL Coupe (VRU362J)
1971 1.8 SDL Coupe (CAE419J)
1971 1.8 SDL Saloon (JHC999J)
1971 1.3 SDL Coupe (CHY79K)
1971 1.3 SDL Coupe (JGC240K)
1971 1.3 SDL Saloon (OVW292K)
1971 1.8 SDL Coupe (MCU274K)
1980 Ital 1.3 HL (NPB34W)
Re: Water ingress through air vents under wipers?
Anyone got a pic handy please?
- JubileeNut
- FMM Supporter

- Posts: 5221
- Joined: Tue Jun 05, 2007 7:14 pm
- Location: Worthing, West Sussex, UK
Re: Water ingress through air vents under wipers?

The two big holes in the bulk head where the black sound deadening is!
" Pru, Its Kicking off "
1973 Morris Marina TC Jubilee
2013 BMW 328i M Sport F31
1973 Morris Marina TC Jubilee
2013 BMW 328i M Sport F31
Re: Water ingress through air vents under wipers?
They're the two plastic elbows on the bulkhead just either side of the engine block. Pic shamelessly borrowed from Paul's Jubilee thread...


1974 White 1.3 Super Coupe, lots of Alfas....
Re: Water ingress through air vents under wipers?
Jeez, those pictures just show you how far that car has come on in the last year. :shock: Credit to you Paul. 8)
1974 White 1.3 Super Coupe, lots of Alfas....
Re: Water ingress through air vents under wipers?
Thanks lads!
I assume I just remove them and give them a clean out so!
I assume I just remove them and give them a clean out so!
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ct90dave
- Posts: 30
- Joined: Wed Sep 23, 2009 12:33 pm
- Location: Otautau, Western Southland, New Zealand
Re: Water ingress through air vents under wipers?
Yeah thats all I did to solve water on the floor of my van. It's a MK3 and the drains are made of rubber with a flap on the front, makes an excellent trap for all sorts of gunk, so they get blocked now and then.
KD66 1981 575 van (Work in progress)
KX1431 1982 Morris 1700 station wagon (Daily driver)
ARP997 1979 Isuzu Journey Bus (Holiday Accom)
MYVSV8 1996 HSV Clubsport 5.0V8 (Toy)
CCN375 1996 Nissan Largo (Family Wagon)
1971 and 1974 Honda CT90 Farm Bikes
1990 Suzuki LTF250 Quad
KX1431 1982 Morris 1700 station wagon (Daily driver)
ARP997 1979 Isuzu Journey Bus (Holiday Accom)
MYVSV8 1996 HSV Clubsport 5.0V8 (Toy)
CCN375 1996 Nissan Largo (Family Wagon)
1971 and 1974 Honda CT90 Farm Bikes
1990 Suzuki LTF250 Quad
Re: Water ingress through air vents under wipers?
There was a little crud in the driver's side one, but I poked as far back as I could with a piece of plastic and they seemed ok to me.
Should I remove the little grill and try clean them from the top too?
Should I remove the little grill and try clean them from the top too?
Re: Water ingress through air vents under wipers?
No joy on this lads.
So far I've checked all the door drains, resealed the screen and cleaned the heater drains ( well, the lower half of them anyway).
Any other ideas for me please? rack your brains, i wanna put me carpets back in!!!!!!!!!!!!
Mick
So far I've checked all the door drains, resealed the screen and cleaned the heater drains ( well, the lower half of them anyway).
Any other ideas for me please? rack your brains, i wanna put me carpets back in!!!!!!!!!!!!
Mick