[xj] Replacing windscreen gaskets

Hi guys,

I was wondering if you could help me figure out just what
gaskets I need to do a full refurbishing of my front and
rear windscreens. Both windscreens need all of their gaskets
replaced – the elements and father time have done their
terrible dance upon them. I am looking on Rock Auto and they
list several different gaskets for the windscreens, and I’m
not sure if I need duplicates of each for the front and back
or what.

Also, I have a little rust on my front windshield from being
out in the elements so long, with the water seeping past the
gasket. Has anyone out there had any luck in repairing this
with bondo, or do I have to get a whole new windscreen
track?

Thanks!–
Tyler Werrin, 1984 Jaguar XJ6 Series 3 w/ 1994 Camaro t56
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–

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In reply to a message from tylerwerrin sent Thu 22 Aug 2013:

Your front and rear windows do not use a ‘gasket’. They are
sealed with a sealant from a tube. You will need to do more
than ‘Bondo’ on the body where there is some rust. It has
likely rusted through/worse than it looks at the painted
area that currently shows.–
Tom Hishon, 69 E-type 2+2, 69 E-type OTS, 85 XJ6, '03 X-type
Wasilla, Alaska, United States
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In reply to a message from kassaq sent Thu 22 Aug 2013:

I see several different ‘‘seals’’ listed on Rock Auto – is
there a sealant in a tube on top of these gaskets? Here are
the numbers that are listed – manufactured by URO –

�RO PARTS Part # BBC5889 Windshield Molding Seal
Outer Molding to Body

�RO PARTS Part # BAC4794 Windshield Molding Seal
Outer Molding to Glass

�RO PARTS Part # BAC1977 Windshield Seal
Inner; Series 3; Molding to Glass

�RO PARTS Part # BAC2288 Rear Window Seal

i assume the rusting is worse than what I see – but I won’t
be able to tell til I get the windshield out of there…–
Tyler Werrin, 1984 Jaguar XJ6 Series 3 w/ 1994 Camaro t56
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
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In reply to a message from kassaq sent Thu 22 Aug 2013:

I see several different ‘‘seals’’ listed on Rock Auto – is
there a sealant in a tube on top of these gaskets? Here are
the numbers that are listed – manufactured by URO –

�RO PARTS Part # BBC5889 Windshield Molding Seal
Outer Molding to Body

�RO PARTS Part # BAC4794 Windshield Molding Seal
Outer Molding to Glass

�RO PARTS Part # BAC1977 Windshield Seal
Inner; Series 3; Molding to Glass

�RO PARTS Part # BAC2288 Rear Window Seal

If these items specifically relates to the SIII, Tyler; they are just trim
pieces, beautification - with no function as to the actual sealing…

Tom is absolutely right; the windscreen is actually bonded to the window
frames by the sealant - the sealant itself is the seal. Ie, the windscreen
is freed by cutting through the sealant (the trim pieces may or may not be
reusable) - then the mess is cleaned up, rust repaired and the screen
replaced, as are the trim pieces, in ‘wet’ sealant. Which then cures, bonds
and seals. Any auto-glass shop is well versed in the process, but may not
have the expertise to deal rust repairs…

On SI And SII proper seals were used, which sometimes causes confusion of
providers…

Frank
xj6 85 Sov Europe (UK/NZ)

i assume the rusting is worse than what I see – but I won’t
be able to tell til I get the windshield out of there…-----Original Message-----
From: tylerwerrin
Sent: Friday, August 23, 2013 5:18 PM
To: xj@jag-lovers.org
Subject: Re: [xj] Replacing windscreen gaskets

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In reply to a message from Frank Andersen sent Fri 23 Aug 2013:

Rust - what you see is only 10% of the real problem…cut it
all out past the last rusty spot. Fix the original problem (if
possible in S3 Jags) and coat the new metal of everything
replaced with rust conditioner. Then you have a chance…

When I had my S1 re-painted recently, there was a glass shop
next door to take out the windows before the painting. No
rust…he then put them back in the with the proper seals. On
these older cars the metal trim is more trouble to deal with
than the rubber…–
The original message included these comments:

and seals. Any auto-glass shop is well versed in the process, but may not
have the expertise to deal rust repairs…
On SI And SII proper seals were used, which sometimes causes confusion of
providers…


'71 XJ6 383/200R, '72 XJ6 LT1/700R, '90 Stang Convertible
Glendora, CA, United States
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Tyler,

The rust you see is jus the tip of the iceberg.

Here is a link to some pictures of my 1984 XJ6 VdP prior to the repaint

showing the damage that the rust had done:
http://www.jag-lovers.org/snaps/snap_view.php3?id=1170988628.

Whatever you see on the outside of the gaskets and seals will look much

worse underneath.

The only real fix is to have the windshields removed, the rusted pieces

cut out and new pieces welded in, and new seals installed. Trying to fix
it with bondo won’t work.

Regards,

Paul M. Novak

1990 Series III V12 Vanden Plas
1990 XJ-S Classic Collection convertible
1987 XJ6 Vanden Plas
1984 XJ6 Vanden Plas
1969 E-Type FHC
1957 MK VIII Saloon
Ramona, CA
P.M.Novak7@gmail.com-----Original Message-----
From: owner-xj@jag-lovers.org [mailto:owner-xj@jag-lovers.org] On Behalf Of
tylerwerrin
Sent: Thursday, August 22, 2013 8:45 PM
To: xj@jag-lovers.org
Subject: [xj] Replacing windscreen gaskets

Hi guys,

I was wondering if you could help me figure out just what gaskets I need to
do a full refurbishing of my front and rear windscreens. Both windscreens
need all of their gaskets replaced – the elements and father time have done
their terrible dance upon them. I am looking on Rock Auto and they list
several different gaskets for the windscreens, and I’m not sure if I need
duplicates of each for the front and back or what.

Also, I have a little rust on my front windshield from being out in the
elements so long, with the water seeping past the gasket. Has anyone out
there had any luck in repairing this with bondo, or do I have to get a whole
new windscreen track?

Thanks!

Tyler Werrin, 1984 Jaguar XJ6 Series 3 w/ 1994 Camaro t56 --Posted using
Jag-lovers JagFORUM [forums.jag-lovers.org]–

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Tyler:

The parts you need are the body to stainless rubber, and the stainless to
glass rubber.
Generally speaking, the “windshield seal” can be reused; this piece just
serves to cushion the glass against the metal lip of the body aperture and
unless it has been sliced through y careless removal, it can serve again.
The glass is actually sealed to the body by urethane.
The two rubber pieces are “finishers”, not seals.
So, you need BBC5889 and BAC4794, and you need two of each: the front and
rear rubber is identical. These are held in place by a thin bead of sealant.
They must NOT be stretched on fitting; the stainless to glass rubber should
be
packed" into the corners to allow for shrinkage (which is inevitable).
Otherwise you will find this piece will eventually pull out of the corners.
The outer rubber (body to stainless) also must not be stretched or it will
eventually separate at the join (which should always e at the centre bottom
of the screen).

The BAC1977 and BAC2288 are the rubber pieces that cushion the glass against
the body aperture - you do NOT need these if you can reuse the originals.

Gregory-----Original Message-----
From: tylerwerrin
Sent: Thursday, August 22, 2013 10:18 PM
To: xj@jag-lovers.org
Subject: Re: [xj] Replacing windscreen gaskets

In reply to a message from kassaq sent Thu 22 Aug 2013:

I see several different ‘‘seals’’ listed on Rock Auto – is
there a sealant in a tube on top of these gaskets? Here are
the numbers that are listed – manufactured by URO –

�RO PARTS Part # BBC5889 Windshield Molding Seal
Outer Molding to Body

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In reply to a message from tylerwerrin sent Thu 22 Aug 2013:

There’s a good diagram of the front and rear windscreens and
the positioning of the ‘trim’ pieces and adhesive on this
site, provided by Bob Loftus. This this link.

http://www.jag-lovers.org/snaps/snap_view.php3?id=1076456740&n4=

I don’t speak from experience on this issue, but I
bookmarked the diagrams for future use.–
1992 Jaguar XJS V12 Convertible
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In reply to a message from NoahANU sent Fri 23 Aug 2013:

man that rust looks BAD! I’m sure I have a problem spot on one
corner at least – how did you fix the rusted areas? If you
cut it out, what did you use to replace it?–
Tyler Werrin, 1984 Jaguar XJ6 Series 3 w/ 1994 Camaro t56
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
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In reply to a message from tylerwerrin sent Fri 23 Aug 2013:

also, as for these ‘‘finishers’’ – does anyone have a picture
with the finisher installed? I don’t think my car had them –
i just had a narrow rubber gasket around the front and rear
windshields which was sandwiched between the chrome trim
piece. Objectively, do the finishers look better than this
arrangement? I’ll snap some photos this weekend to show what
mine look like right now, but I can’t seem to find any
pictures with the finishers installed (or perhaps I can’t even
tell).–
Tyler Werrin, 1984 Jaguar XJ6 Series 3 w/ 1994 Camaro t56
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In reply to a message from tylerwerrin sent Fri 23 Aug 2013:

ah I take back what I said about the finishers thing – I was
dumb and didnt look at the diagram carefully. OK I ordered new
everything, just in case – its been 30 years since the car
rolled off the assembly line, might as well have the glass
guys do everything spanking new!

also, has anyone out there found a good source for the sunroof
seal/gasket? Its 91 dollars on ebay, and RockAuto doesn’t
carry it! Seems very expensive for a piece of molded rubber!–
Tyler Werrin, 1984 Jaguar XJ6 Series 3 w/ 1994 Camaro t56
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
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In reply to a message from tylerwerrin sent Fri 23 Aug 2013:

Ahhh the sunroof seal Tyler. I think URO is the only
replacement out there and not a bad fit but not the best
either. OEM, if you could even find it, would be 30+ years
old anyway, but then so is yours most likely:-)

Be patient on EBay, I’ve seen them for as little as $40 US.
Unless she’s shot, you may want to consider leaving it
alone. If you have air leaks, you may try adjusting but
many of us have experienced a myriad of headaches in doing
so. Check these links out.

http://www.jag-lovers.org/xjlovers/xjfaq/sunroof.htm

http://forums.jag-lovers.org/av.php?675442p41

http://forums.jag-lovers.org/av.php?72636k18

Best of luck sir.–
The original message included these comments:

also, has anyone out there found a good source for the sunroof
seal/gasket? Its 91 dollars on ebay, and RockAuto doesn’t
carry it! Seems very expensive for a piece of molded rubber!


Sean 86 VDP
Prior Lake, Minnesota, United States
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In reply to a message from Sean Wagstaf sent Sat 24 Aug 2013:

I just received my new sunroof weatherstrip/seal from Welsh
for $50.–
Tom Hishon, 69 E-type 2+2, 69 E-type OTS, 85 XJ6, '03 X-type
Wasilla, Alaska, United States
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Hello to all,
Regarding the rear windscreen, I have already removed old seals, windscreen, repaired any rust, primed and painted, getting ready to install the new seal and two “finishers” or the rubber type seals that connect to the chrome.
My question; do I install the seal, glass and urethane, then let it dry or do I install the seal, glass, urethane, the chrome pieces and then the two finishers (rubber seals) all at the same time? It’s makes more sense/convenient to install the seal, glass and urethane and let it all set up, then install the chrome and “finishers”.
I have been reading many articles in the archives but confused about the final details.
Thanks for any help!

Search on the magnifying glass icon " Series 1 screen install"
I don’t know how to link it. Obviously only applies to S1 and S2, not S3, you don’t specify which yours is.

Sorry I forget to state it’s a 1985 XJ6 SIII.

This post from Dr. Gregory Andrachuk seems to me to be the best description of the work:

Dr_Gregory_Andrachuk

Aug '13

Tyler:

The parts you need are the body to stainless rubber, and the stainless to
glass rubber.
Generally speaking, the “windshield seal” can be reused; this piece just
serves to cushion the glass against the metal lip of the body aperture and
unless it has been sliced through y careless removal, it can serve again.
The glass is actually sealed to the body by urethane.
The two rubber pieces are “finishers”, not seals.
So, you need BBC5889 and BAC4794, and you need two of each: the front and
rear rubber is identical. These are held in place by a thin bead of sealant.
They must NOT be stretched on fitting; the stainless to glass rubber should
be
packed" into the corners to allow for shrinkage (which is inevitable).
Otherwise you will find this piece will eventually pull out of the corners.
The outer rubber (body to stainless) also must not be stretched or it will
eventually separate at the join (which should always e at the centre bottom
of the screen).

The BAC1977 and BAC2288 are the rubber pieces that cushion the glass against
the body aperture - you do NOT need these if you can reuse the originals.

This is how I did it, after a catastrophic first attempt when I tried to put everything in at the same time…
The key was to do it in two stages.
I didn’t use the seals, but the principle is the same.
Scroll down the thread to see the final result.

Thanks Aristides for the link on how you did the windscreen seal replacement work.
I thought there was a chance that this work was a 2 step process but no one stated it but you.
Question; you mention you did not use the seals, how about seal BAC1977?
You strictly used urethane sealant then finished off last 1/4” or so with silicone but embedded chrome into urethane?
Thanks!

Yes, I used that one, it’s very important as it brings the screen at the right height in relation to the body and keeps the glue from going everywhere.
I used the special screen glue to mount the screens at the body and normal urethane sealant to embed the chrome trim and do the joints. Urethane dries slower and it’s somewhat easier to clean.
Still very messy though and making the joints nice and uniform was not an easy task…