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Thread: I found the leak points.

  1. #1

    I found the leak points.

    After I bought my car I found that the left and right front floors got wet when the car was rained on. I replace all the old rotten door gaskets with a set of new gaskets made specifically for a Falcon Hardtop. When I washed the car I was disappointed to find that the car still leaked. The next time I washed the car I put duct tape over all the window seams. The car still leaked. I got a magnetic cowl cover. The car still leaked. Where was the water coming from?

    Today, I tried watching from underneath while my wife poured a cup of water onto the drip rail. While pouring water at one location, it looked like water was leaking down and coming out through the edge of the ceiling on the forward inboard side of the roof rail window seal. The water then ran down the inside of the windshield post trim and dripped out to run along the inside front edge of the door gasket to the floor. I tightly stuffed two rolled up pieces of Saran wrap into the right and left drip rails about two inches back from the windshield and above the leak point (see photo) and then washed the car.

    1-DCP_5084.jpg

    Success! The amount of water leaking into the car from both the right and left sided looked like it was reduced by 95%. Why is it leaking there on both sides of the car? I have no idea. Maybe there are two rail pieces that form a joint at that curve point and they were originally sealed with body putty that has long since dried out (my theory). I will squirt some black silicone caulk into the roof rail at those two spots that should seal the leaks.
    Last edited by ew1usnr; April 13th, 2014 at 02:30 PM.
    Dennis Pierson
    Tampa, FL
    "The Wonder Falcon"

    '63 Futura Hardtop (260, Ford-O-Matic, bench seat)

  2. #2
    Hmmm, I should give that a look. I've got some water coming in on the drivers side. It sometimes pools up by where the windshield gasket meets the dash. It will run down and drip all the way down to the floor mats.

    I've got a cowl cover, new window gasket, but the sealer in the drip rail is all dried and starting to break up. Time to get out the hose for a test.

    Kenny Likins
    Ballard, Seattle, WA
    www.redfalken.com

    `62 Tudor Sedan (`69 200, C4, 8-inch 4-lug 2.79 rearend, Duraspark II, MSD, Weber 32/36 DGEV)

  3. #3
    Join Date
    Feb 2014
    Location
    Lake Stevens
    Posts
    10

    My 62

    My 62 has different door rail design that is not integrated with the windshield rail/seal which appears to be the case with your 63 Futura. But I have a puddle on the passenger floor after the rains, and appears to have rust stains on my headliner. I have not yet started my investigation hoping to get some guidance first from this forum. Door and trunk seals have been recently replaced, so I am assuming that degraded seals in both windshield and rear window are culprit. Any guidance is much appreciated.

    Eric's_Falcon[1].jpg

  4. #4

    Leaks

    Quote Originally Posted by ehooter View Post
    My 62 has different door rail design that is not integrated with the windshield rail/seal which appears to be the case with your 63 Futura. But I have a puddle on the passenger floor after the rains, and appears to have rust stains on my headliner. I have not yet started my investigation hoping to get some guidance first from this forum. Door and trunk seals have been recently replaced, so I am assuming that degraded seals in both windshield and rear window are culprit. Any guidance is much appreciated.

    Eric's_Falcon[1].jpg
    I found out some information on this problem just this past weekend while at a car show. I described my leaking windshield problem to Chuck Beason, a former President of the Suncoast Falcons. He is a fountain of information and an all around great guy. Chuck explained that the top corner windshield trim piece is supposed to have sealant ("dumdum") behind it that bridges the gap between the windshield gasket and drip rail. This picture from e-bay shows the corner trim piece of a 1963-1965 Falcon Hardtop.

    Hardtop front.jpg

    (I see what you mean about your sedan having a different drip rail configuration, so unfortunately this may not be of any help to you. Chuck also said that the original windshield gaskets were not one piece and had joints in the corners. As the gasket rubber got old the joints would get wider and be a path for leaks. Take a close look at your windshield gasket and see if it has any cracks or gaps.)

    Chuck said water will leak down the side post from the corner trim location if that corner piece is not re-sealed after replacing a windshield. A previous owner had removed the windshield in my car to replace the headliner and installed a new windshield gasket, but it leaks at precisely the location that Chuck described. Chuck said that the corner trim piece has two screws on its trailing edge and that it has wrap-around lips on its edges. This picture shows the screw holes and wrap-around edges:

    Hardtop back.jpg

    Chuck said that you cannot pry the piece off or you will bend the edges. He said that you have to wiggle it and “finagle” it off. That was good news because it means that the leaks are not coming from the windshield gasket and I can correct the problem relatively easily and without having to remove the windshield.
    Last edited by ew1usnr; January 14th, 2015 at 04:40 PM.
    Dennis Pierson
    Tampa, FL
    "The Wonder Falcon"

    '63 Futura Hardtop (260, Ford-O-Matic, bench seat)

  5. #5

    Behind the trim.

    I followed Chuck Beason's advice on how to fix the leaks and removed the upper left corner trim of the windshield. It was kind of a pain to remove. I removed two screws on the back side and the levered up from the trailing side (back side) and then wiggled and pushed it forward and up.
    1-piece removed.jpg

    It was kind of globby looking behind there. There were at least three holes in the caulking that were immediately visible. See in the center of the photo. The shiny black caulk in the upper right of the photo is what I added maybe six months back where I squirted it in from above the trim in a well meaning but misguided and failed attempt to stop the leak.
    3-first angle.jpg

    This angle shows a couple of holes that are the biggest. This is probably the area where the leaks have been coming from:
    5-front view.jpg

    Here is a close up of the big hole:
    6-close up of big hole.jpg

    From this angle you can see two big holes:
    7-two big holes.jpg

    I will clean it off, seal the holes with fresh caulk, and re-attach the corner trim piece. I hope that the trim is not too much of a devil to put back in place. Then I will repeat the process on the other side.
    Last edited by ew1usnr; February 7th, 2015 at 11:57 AM.
    Dennis Pierson
    Tampa, FL
    "The Wonder Falcon"

    '63 Futura Hardtop (260, Ford-O-Matic, bench seat)

  6. #6
    How old is the windshield seal? You might consider pulling the glass and cleaning all the sealant off all the way around. There may be more to this than you can see right now.
    Patrick Brown
    331 Stroker / T5 / 8" / Wilwood Disks / RRS R&P Steering / Megasquirt EFI


  7. #7

    Victory!

    Quote Originally Posted by pbrown View Post
    How old is the windshield seal? You might consider pulling the glass and cleaning all the sealant off all the way around. There may be more to this than you can see right now.
    Hello, Pat.

    The previous owner had replaced the headliner, and that requires the removal of the windshield and back window. I am pretty sure that both the windshield and back window gaskets were replaced at that time. I can press my thumb nail into the rubber of the windshield gasket, which indicates that it is not old and hard, There are no visible cracks in either the windshield or back window gasket.

    I pumped silicone caulk into the big hole on the left side until it came out on the other side:
    1-Left side sealed.jpg

    I took off the right side trim and saw two holes at the corner of the windshield gasket, top and bottom.
    3-Right side two holes.jpg

    I pumped silicone caulk into the lower hole on the right side until it came out the hole on top.
    5-Right Side sealed.jpg

    Then I re-installed the trim on the left. I pushed it onto the bottom, them pushed it onto the top windshield trim, and then onto the drip rail and secured it with the two screws:
    6-right side.jpg

    Then I re-attached the right trim:
    7-Left Side.jpg

    Yea! I will wash the car tomorrow and see if this corrected the leaks.

    I am doing my happy dance:
    Last edited by ew1usnr; February 7th, 2015 at 05:07 PM.
    Dennis Pierson
    Tampa, FL
    "The Wonder Falcon"

    '63 Futura Hardtop (260, Ford-O-Matic, bench seat)

  8. #8

    More caulk, please.

    Quote Originally Posted by ew1usnr View Post
    Yea! I will wash the car tomorrow and see if this corrected the leaks.
    I did my happy dance too soon. Water still leaked around the doors when I washed the car.

    I took the top corner windshield trim pieces off again today and ran a bead of silicone caulk horizontal all the way across the top of the left and right windshield posts. The idea is that if I can stop water from running down the posts behind the outside trim then it will not run into the car from behind the door gaskets.

    More caulk on left side:
    Left Side.jpg

    Trim re-attached. I will push on the trim pieces some tomorrow to get the raised ridge in the middle to line up better. I didn't notice that it was off until I looked at this picture.
    1-DCP_0040.jpg

    More caulk on right side:
    Right Side.jpg

    Trim back on:
    2-DCP_0041.jpg

    It rained all day here today. I did the left side in the garage but needed to back it out into the driveway to do the right side. I waited until 4:00 for the rain to stop and then backed into the driveway. It was not raining, but the trees were dripping on me. I was able to finish it quickly due to my now becoming rather practiced at this procedure.

    I will spread out some newspapers on the floor the next time I wash the car (maybe tomorrow if it isn't raining) and see if the extra caulk has taken care of (or maybe reduced) the leak problem.

    Ford Go Further.jpg
    Last edited by ew1usnr; February 28th, 2015 at 08:20 PM.
    Dennis Pierson
    Tampa, FL
    "The Wonder Falcon"

    '63 Futura Hardtop (260, Ford-O-Matic, bench seat)

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