Next: Switching from 2WD to 4x4
From: jhuddart on 15 Feb 2007 01:09
My jeep has leaked since the day i got, almost 18 months ago and it's
time for it to stop. Unaware of the many possibilities i initially
had a new windshield seal put in. Just last month i replaced the cowl
seal as it was visibly coming in through the seam above the windshield
fold down knobs. It has always dripped from the heater vent behingd
the stereo. Today though it poured through. Shorted out stereo called
for some action

I've removed the fresh air intake cover, made sure that there was
nothing obstructing the drain pipe. All is well, the intake seals seam
worn, ( the seals that open/close when pull/push on heater vent.

When installing the cowl seal i layed a bead of RTV on the outside
where the seal folds up onto the windshield frame. I also layed a
bead under the seal where it is screwed into the underside of the
windshield frame.

The jeep does not seam to leak unless it's in motion. Turning corners
sends water pouring out through the vent (centrally located underneath
the dash, right next to the firewall.

When folding the windshield up/down i can hear water moving inside.

Any help is GREATLY appreciated. Raally!

From: Mike Romain on 15 Feb 2007 10:01
I would be checking the bolt holes at the top of the windshield where
the soft top channel screws on. These will allow the water to fill up
the windshield frame and pour down through the defroster ducts.

You can run some butyl caulk on them to seal them up or you can drill a
drain hole in the bottom corners of the windshield to let the water out
in a controlled way.

Unfortunately you 'really' don't want RTV in there because it outgasses
acetic acid fumes that turn to acid in the presence of water which will
rot out any body metal it comes in contact with. The stuff is big time
bad news for that....

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pictures.html?id=2115147590
(More Off Road album links at bottom of the view page)


jhuddart(a)gmail.com wrote:
> My jeep has leaked since the day i got, almost 18 months ago and it's
> time for it to stop. Unaware of the many possibilities i initially
> had a new windshield seal put in. Just last month i replaced the cowl
> seal as it was visibly coming in through the seam above the windshield
> fold down knobs. It has always dripped from the heater vent behingd
> the stereo. Today though it poured through. Shorted out stereo called
> for some action
>
> I've removed the fresh air intake cover, made sure that there was
> nothing obstructing the drain pipe. All is well, the intake seals seam
> worn, ( the seals that open/close when pull/push on heater vent.
>
> When installing the cowl seal i layed a bead of RTV on the outside
> where the seal folds up onto the windshield frame. I also layed a
> bead under the seal where it is screwed into the underside of the
> windshield frame.
>
> The jeep does not seam to leak unless it's in motion. Turning corners
> sends water pouring out through the vent (centrally located underneath
> the dash, right next to the firewall.
>
> When folding the windshield up/down i can hear water moving inside.
>
> Any help is GREATLY appreciated. Raally!
>
From: jhuddart on 15 Feb 2007 14:04
Thanks Mike, I spent some time this morning reading through some old
posts and you sounds like an expert.

I've had a look at the soft top/hard top bolt channel and it doesnt
appear to be coming through there. but there is definently water in
the windshield frame. I guess this could account for the water
seeping through the cowl seal? Likely dripping through the screw
holes where the cowl seal is secured to the frame.

If i were to drill holes in the windshield frame wouldnt this still
allow water to sit on the lower edge of the frame where it could seep
through the cowl seal.

Today i'm going to have a go at sealing up the airbox. I think an
elimination process is in order.

when sealing the airbox vent cover. what should i line the screws with
to prevent leakage.

If the airbox seams to be a problem what is my best bet at sealing it
up, living in canada requires a heater so i dont want to seal it for
good by laying sheet metal under the grill like i heard some others
do. I heard that the airbox itself has seams and that they can leak.
Whats the best way to seal that?

I've also just learned about the blower motor upgrade. I'm going to
head to the parts shop today and find one.

Thanks again for the help!




From: Mike Romain on 15 Feb 2007 14:50
Canadian tire sells the big '73 GM blower motor. Just get the cheaper
one, the premium one has too long a shaft on it.

It is 'sooo' nice to have all the windows defrost and to not need gloves
or a snowsuit to drive in the winter...

You can get a butyl caulk or a product called seam sealer to go after
the airbox seams. There is a drain for the airbox by the starter, You
should make sure that is clear.

I find when I drive in the rain the water comes up the windshield and
wicks around to my soft top's channel. Closing those holes with a bit
of loctite on the screw threads seems to have worked. Loctite works
well for sealing and rustproofing screws. You can get the removable
type. I use the blue on just about everything.

I also sealed the seam where my dash bolts to the cowl, don't know if it
helped, but my only leaks now appear to be between the glass and it's
rubber seal. I even 'paid' to have that done professionally and it
still leaks.

Mike

jhuddart(a)gmail.com wrote:
> Thanks Mike, I spent some time this morning reading through some old
> posts and you sounds like an expert.
>
> I've had a look at the soft top/hard top bolt channel and it doesnt
> appear to be coming through there. but there is definently water in
> the windshield frame. I guess this could account for the water
> seeping through the cowl seal? Likely dripping through the screw
> holes where the cowl seal is secured to the frame.
>
> If i were to drill holes in the windshield frame wouldnt this still
> allow water to sit on the lower edge of the frame where it could seep
> through the cowl seal.
>
> Today i'm going to have a go at sealing up the airbox. I think an
> elimination process is in order.
>
> when sealing the airbox vent cover. what should i line the screws with
> to prevent leakage.
>
> If the airbox seams to be a problem what is my best bet at sealing it
> up, living in canada requires a heater so i dont want to seal it for
> good by laying sheet metal under the grill like i heard some others
> do. I heard that the airbox itself has seams and that they can leak.
> Whats the best way to seal that?
>
> I've also just learned about the blower motor upgrade. I'm going to
> head to the parts shop today and find one.
>
> Thanks again for the help!
>
>
>
>
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