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Installing a Later Windshield
into an early Volvo 240 (or 140).
This is a fairly common 240 mod with
a fair amount of info already out there. But
since I still get regular questions about
this, I decided to post this guide.
The 240 was built from 1974 (1975 model year)
to 1993 and the body design changed very
little over the 18 year production run.
The windshield structure had no changes
whatsoever between 1974 and 1993. Even in an
earlier 140, the windshield structure is
identical to the 240. You may
have noticed that all 1991-93 240s came with a
different type of windshield trim than those
found on earlier models. It's all black
and made of rubber. No metal trim is used like
on earlier 240s.
1975-90 240 (and 140) windshield with metal
trim: This early type of
windshield was glued in place using a soft,
messy butyl rubber. Plastic trim clips were
inserted into the soft rubber to hold the
metal trim in place. This trim tended to
stick up from the windshield too far and in
many cases it created lots of wind
noise. Thanks go to Ben Buja for
supplying this photo.
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| 1991-93 240 windshield with integral rubber
trim: As you can see below,
this later type black rubber trim is nearly
flush with the body. It's cleaner looking
and can reduce some of the nasty wind noise when compared to older metal trim.
When you purchase a newer 1991+
240 windshield, it will always come with this newer
rubber trim already attached around the
edge. The trim is also available
separately if needed (details below or CLICK HERE). The
installer will use a newer style urethane rubber
when gluing it in, instead of the soft, gooey,
messy butyl rubber.
Fitting a later windshield to an earlier 240 (or
even a 140) is not a problem at all. It goes right in
with no difference in the installation.
Be aware that there are installers out there who
aren't aware that the 240 design never changed in all the years. They may be skeptical about doing this
installation on an earlier 240. Some will even
refuse to do such an install because they
won't believe you when you insist it fits.
But rest assured, the newer windshield WILL
fit. Many 240 owners have done over the
years.
If you want to avoid the
argument,
just tell the installer the car is a
'91, '92 or '93.
Here's a great story from T.M. of
White Marsh, Virginia: "I took your advice about using a 1991
windshield in my 1987 240 Volvo. Just like you
suggested, in your article, I told the
installer I
needed a 1991 windshield for my car.
When I brought my car in, the receptionist
goes out and looks at my car's ID tag and sees
it's am '87. She freaked out. She was
all like, "it won't fit", "I won't give you a
warranty," and if I insisted on putting this
windshield in the car I would be responsible
when it all went wrong. I told this
receptionist that it would fit, it would be
easier for the workers to install, it would
look just fine, and that she already told me I
wouldn't have a warranty anyway, because she
said I had rust in the channel. So what is the
difference? She got all huffy when I
told the installers to proceed anyway and to
ignore her. She was in a bigger snit
when she saw that it fit and looked just fine
too. There was NO rust in the channel, but I
didn't really care about her silly warranty
anyway."
"You were totally right, the wind
noise is much less, and the installation was
so much cleaner. I'm glad I took your advice
everything is great; not original, but
actually better. One freaked out receptionist,
two satisfied installers, one happy customer,
and one slightly improved Volvo. A good
day was had by most of us anyway. I
don't think the receptionist is ever going to
forgive me for "lying" to her about the year
and having it all work out just fine. lol."
Here's a
discussion of different available windshield
brands: https://forums.turbobricks.com/showthread.php?t=342415
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In 2018 Michael Yount did his own
installation of a later windshield in his
1982 242.
He has provided the
following tips below for those thinking of doing
this.
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1.
Removing the old butyl makes a helluva
mess. I masked completely up each
A-pillar, across the top of the car and entire
cowl including covering all the cowl vent
holes. Debris can and will get
EVERYWHERE. Butyl comes off of paint
easy. If you get it on fabric or carpet
- forget it. You won't get it out.
So cover everything. I had towels over
the dash, steering wheel, front seats,
floors. And a couple of big blankets
over the entire hood as we repeatedly lifted
the old/new windshield over the hood of the
car.
2. I bought two double-suction-cup
handles from Harbor Freight. Worked well
for the old/new windshield. One person
can remove the old one. You should have a helper for
installing a new one.
3. Do your best to cut the old butyl all
the way around before attempting to remove the
old windshield. If the old windshield is cracked
or you're not trying to salvage it - just
getting the A-pillars and top edge loose will do -
then just pull it away or push from inside.
The old windshields are notably
heavier/thicker than the new ones.
4. CLEAN: Your pinch weld should be completely
clean - all you should see is paint.
5. You'll see in the above thread what I did
to remove the old butyl and clean the
pinchweld. Citrus Power Goo Gone.
6. If you use guitar/safety/piano wire
as a cutter like I did, it will try to hang up
on the old plastic clips attached to the old
windshield that hold the trim on. I
strongly suggest removing the stock trim so
you can see where the old clips are and navigate
around them with the wire OR use a screw
driver to pry out the clips.
 7. The new later style windshield comes
with rubber trim molding glued around the
edge. The width of that trim is usually
about 25 mm. In my case that trim was
not wide enough to cover the re-paint line
that existed because my car was repainted with
the old windshield in place. I bought new
wider trim molding, PN T109B universal "T" moulding, 31 mm
wide. It comes in a 65 foot
roll and can be found at Gold Glass:
https://www.gggcorp.com/Universal_Mouldings.html.
8. If you change that rubber trim molding on your new windshield,
take your time removing the molding that is glued on. Mine had butyl in the
u-channel - I used duct tape (the sticky side)
to remove the leftover butyl from the edge of the
windshield before I put the new wider trim
on. Then I cleaned with Prepsol.
9. Use a square to get an accurate 90 degree cut
on the end of the new rubber trim molding so you're staring with a 90 degree cut edge.
Measure the windshield to find the precise center at
the bottom and start the new trim
there. Work your way all the way
around. It helps to have another person
managing the trim as you go. I used a
small wooden roller to firmly press the trim
onto the edge of the windshield so the butyl
inside the u-channel sticks to the
windshield. When you get back around to
the bottom center, make a quick cut so you have about
1 inch extra. Then CAREFULLY measure and
accurately make a square cut to match the other side of the
trim. I cut it about 1/16 inch LONG and
then squeezed that little extra back in along
the bottom edge. YOU ONLY GET ONE CHANCE
ON THAT SECOND CUT -- IF YOU CUT IT TOO SHORT,
DO NOT TRY TO STRETCH IT. You'll be
better off leaving a small gap and trying to
fill it with black silicone or
something. Mine matched up perfect by
cutting it just a hair long.
10. There were foam pads that came stuck
to the windshield to protect it during
shipping. I used those for my windshield
spacer blocks. One on each side of each
A-pillar and two on the bottom (one on each
side). I used 3M extreme duty double
sided foam tape to adhere the blocks to the
channel. The butyl seal stays soft --
so you must use blocks at the bottom to keep the
windshield from slowly sliding down over
time. The blocks on the side will keep
it centered. I liked the blocks I made
MUCH better than the stock Volvo blocks or the
rubber ones that came with the butyl seal kit.
11. Test fit
the new windshield once the new seal is
attached but BEFORE you prime the pinchweld or
apply the primer to the windshield. The
more times you test fit, the easier it will be
to stick the windshield correctly.
12. I
used a butyl primer on the pinch weld and on the
windshield edge. 3M 08681 will work.
13. Ebay or Amazon butyl seal
kit -- 3M
08612 Window Weld 3/8" wide, 15' long.
As
you lay it along the pinch weld, you have to
remove the paper tape to turn the
corners. I then put the tape back on and
used the roller to GENTLY apply a bit of
downward pressure before I placed the
windshield on.
14. Once primed and with butyl in place
on the pinch weld - place and stick the
windshield. Fold
the rubber trim at the corners AWAY from the
body before sticking the windshield. Check to be sure it's being
held in place by the bottom blocks and is
centered between the side blocks.
Once in place, then fold the trim corners down over
the body. Work your way around the trim,
applying pressure all the way around the
perimeter of the windshield several times to
be sure the windshield is pressed cleanly
against the butyl and the butyl is pressed
cleanly against the pinch weld.
15. Cross your fingers and check for leaks.
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 <<<
Side note regarding 140 series back
glass: This photo was submitted
by Johnny J. of Sparks, Nevada. His 1973 142
needed a new rear windshield, which was
obsolete. So he took a chance on a rear
glass from a 1990 244. The glass fits
perfectly and wire connectors even line up
perfectly for the defrost element. And the newer
rubber seal from the 1990 glass went right in.
So this shows that any 240 back glass will
perfectly replace the back glass in a 140 series
in case you need to know.
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