<VV> Water ingress

hugo at aruncoaches.co.uk hugo at aruncoaches.co.uk
Thu Aug 3 22:36:18 EDT 2017


### Good thing I like a challenge! I can see the fresh air vents from 
above if I look down after I took the cowl off. Water seems to coming in 
the right heater vent but not the left. I have the entire interior 
stripped out so I should be able to trace it. I hope.


On 2017-08-03 18:58, Geoffrey Stozek wrote:
> If I remember correctly, there is a large hole (bigger than a finger)
> on the bottom of the front of the rocker to drain water that enters
> through the cowel.  Easiest access is by removing the fresh air vent
> (one each side) that is controlled by the lever on bottom of the dash
> near each door.    I had a 62 coupe that had a similar mystery leak
> problem.  I replaced the floors and left the carpeting out in an
> attempt to locate the leak.  One at a time I hosed down the cowel, 
> the
> windshield, the doors and the rear quarter glasses but observed no
> leakes.   Overnight it rained and thee floor boards were full of 
> water
> with no tell tail trail of where it came from.  Tried the hose again
> but could not  find a leak.  I gave up and just left the carpet out
> since it was a beater.   Maybe my evil neighbor snuck over at night
> and pored wated on the floor.  I'll never know.  Good luck.
> --------------------------------------------
> On Thu, 8/3/17, Hugo Miller via VirtualVairs
> <virtualvairs at corvair.org> wrote:
>
>  Subject: Re: <VV> Water ingress
>  To: VirtualVairs at corvair.org
>  Date: Thursday, August 3, 2017, 6:45 PM
>
>  ### The plot thickens - I took the front cowl
>  panel off and all the
>  holes under it had been blanked off
>  with bits of stiff plastic sheet
>  held on with silicone sealer. I ripped
>  them off & played the hose on
>  that area, and water is sort of
>  dribbling out of the front of the rocker
>  panels. Doesn't look nearly enough flow
>  to me for a drain hole though. I
>  tried to get a knife blade up there but
>  it didn't want to play. I'll try
>  with an air line tomorrow - if that
>  doesn't work I guess I'd be best off
>  drilling a hole up into the rocker
>  panel where the drain is? The car is
>  facing downhill on my drive at the
>  moment, so after I've sorted the
>  front end out I'll turn the car round
>  & focus on the rear.
>
>
>  On 2017-08-03 14:29, jim bannister
>  wrote:
>  > The folks at GM knew the rockers
>  would get wet, so they are made of
>  > galvanized material in an attempt
>  to hold corrosion in check.  These
>  > things were not designed to last
>  forever.
>  > jim
>  >
>  > -----Original Message-----
>  > From: hugo at aruncoaches.co.uk
>  [mailto:hugo at aruncoaches.co.uk]
>  > Sent: Thursday, August 03, 2017
>  6:13 AM
>  > To: jimster1 at earthlink.net
>  > Subject: RE: <VV> Water
>  ingress
>  >
>  > ### That's an interesting design
>  feature - I would have thought
>  > they'd want to keep the rocker
>  panels dry to stop them rotting out -
>  > I
>  > guess they're designed not to trap
>  water though.
>  > I will certainly go right through
>  them from front to back - but the
>  > only thing puzzling me at the
>  moment is that the car has been sitting
>  > on my drive, facing slightly
>  down-hill, for a couple of weeks. It
>  > hasn't moved, so the water must be
>  coming in from the back & running
>  > forwards.
>  > Anyway I'll check it all out &
>  see what I can find - thanks for your
>  > help.
>  >
>  >
>  > On 2017-08-03 00:18, jim bannister
>  wrote:
>  >> The rocker panels are actually
>  hollow and serve as drains for the
>  >> cowl
>  >> vent.
>  >> If they are plugged with
>  composted leaves etc., the water can back
>  >> up
>  >> and enter the cabin via the
>  foot-well vents.  Best way to solve this
>  >> is to remove each vent and ram
>  a hose with water running down the
>  >> rocker to flush out the
>  gathered crud.  It exits just in front of
>  >> the
>  >> rear wheel.
>  >> When they
>  >> are free flowing, the airflow
>  from the cowl vent helps keep them dry
>  >> and rust free.
>  >> Jim
>  >>
>  >>
>  >> -----Original Message-----
>  >> From: VirtualVairs [mailto:virtualvairs-bounces at corvair.org]
>  On
>  >> Behalf
>  >> Of Hugo Miller via
>  VirtualVairs
>  >> Sent: Wednesday, August 02,
>  2017 4:27 PM
>  >> To: virtualvairs at corvair.org
>  >> Subject: <VV> Water
>  ingress
>  >>
>  >> New member here (refugee from
>  the UK!) restoring a couple of '64
>  >> convertibles in Central
>  Florida. I just cleaned up the floor pans &
>  >> treated them then painted with
>  POR 15. I kept finding little pools
>  >> of
>  >> water on the floor while I was
>  working on it. We've had a lot of
>  >> rain
>  >> here in Florida & I just
>  assumed it was a leaking roof seal. But it
>  >> seems to be coming in the
>  heater outlet on the sides of the floor -
>  >> in
>  >> what we in England call the
>  sills. Doesn't seem to be coming under
>  >> the
>  >> back seat, so where would it
>  be starting its travels? That explains
>  >> why the carpets were staying
>  damp & had made the front floor pans
>  >> rusty.
>  >> Rest of the body is absolutely
>  sound and original though - it's a
>  >> Nevada car. Thanks - Hugo
>  Miller
>  >>
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