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Car Forum / Porsche / Porshe 944 / May 2009rear hatch seal(s?) on glass part
'87 944 n.a. rear hatch seal [on glass part not body] replacement question. basically, is this seal two pieces or one? and does replacement of the one that is under the spoiler mean disassembling the spoiler+frame +glass+[etc.?]? the Porsche manual shows a diagram (don't have page/version) with one seal that LOOKS like its the frame (part 38) then, at the rear of the diagram, part 38A is shown in cross-section, shaped like this seal i am talking about - so it sounds like both 38 and 38A are parts for the same "job". -bryan what are you trying to fix? the usual leak between the glass and the aluminum frame? If yes, there is an excellent FAQ on this - you remove the hatch, remove the trim, spend about 4 hours with a razor knife cutting it loose, clean it up and use the 3M urethane to put it back - be sure to use BOTH !!!!! (very important) primers, the clear one AND the black one, EXACTLY as recommended by the manufacturer or you will not get good adhesion. If you do it right, it is not hard, and it is a permanent fix. > '87 944 n.a. > [quoted text clipped - 10 lines] > > -bryan > what are you trying to fix? the usual leak between the glass and the > aluminum frame? i don't think so - i have read a lot about that on this group, etc. - there is some space between the rear body and hatch seal. also, the specific seal i mentioned (38A) is sorta worn out. it looks like its between the spoiler and the frame... > If yes, there is an excellent FAQ on this hmm.. actually, i suppose the seal 38A is addressed in this - then, is is feasible to replace only that seal that sticks out the back? or are you saying that the whole hatch has to be disassembled in order to replace the one seal, i.e. there are not two seals, but one? -bryan p.s: i haven't lost the notes on hatch repair! let's start over - what is the symptom you are trying to fix? There is a hatch seal that is pressed onto the body, it's one piece and goes all the way around, the seam is centered over the lock. There are some small seals and stuff that are affixed to the hatch itself to seal the lock pins. There is the glue that holds the glass to the aluminum frame, and there is the metal (top) and black plastic (sides and rear) trim including the spoiler. part 38 (and the "additional seals) are the parts that go onto the body. 38A is a seal with some stainless pieces that goes across the rear of the spoiler. None of these "stick out the back" - but I don't see why you can't just replace one seal - still your question needs some more refinement On May 7, 12:23 am, "Bill Noble" <nob...@nowhere.invalid> wrote: > what are you trying to fix? the usual leak between the glass and the > aluminum frame? i don't think so - i have read a lot about that on this group, etc. - there is some space between the rear body and hatch seal. also, the specific seal i mentioned (38A) is sorta worn out. it looks like its between the spoiler and the frame... > If yes, there is an excellent FAQ on this hmm.. actually, i suppose the seal 38A is addressed in this - then, is is feasible to replace only that seal that sticks out the back? or are you saying that the whole hatch has to be disassembled in order to replace the one seal, i.e. there are not two seals, but one? -bryan p.s: i haven't lost the notes on hatch repair! > let's start over - what is the symptom you are trying to fix? the rubber piece 38A [1] looks worn out [2] is not mating with the body, i.e. there is clear space between the seal on the hatch and the target piece on the body where a bona fide seal (i assume!) ought to be made. ... the uber-symptom is leakage in the back, but i figured i'd focus on this 38A seal. i know there's a bunch of usenet stuff on leakage, but i haven't focused on that yet. > 38A is a seal with some stainless pieces that goes across the rear of the > spoiler. None of these "stick out the back" - but I don't see why you can't > just replace one seal ok - 38A "goes across the rear of the spoiler". that's the one. > "salmonrushdee" <bryanlep...@gmail.com> wrote in message OFF-TOPIC : fyi i'm fixing this 'salmonrushdee' silliness. -bryan the ONLY cause I have ever seen of leakage in the back is separation of the glass from the aluminum frame. This always happens at the top first along the two sides, and then propagates down and towards the center (two directions) - I have seen significant gaps there when it gets bad. With a loss of seal at the back bottom, what I have encountered is wind noise. I am very suspicious that you have glass separation but unless you are near me I can't look at it and tell you for sure. Note that when the glass separates, the gass springs are able to distort the frame and you will see separation because the frame is no longer straight. Where exactly is the "clear space" - is it in back between the pins? on top? on the sides? ' On May 7, 11:25 pm, "Bill Noble" <nob...@nowhere.invalid> wrote: > let's start over - what is the symptom you are trying to fix? the rubber piece 38A [1] looks worn out [2] is not mating with the body, i.e. there is clear space between the seal on the hatch and the target piece on the body where a bona fide seal (i assume!) ought to be made. ... the uber-symptom is leakage in the back, but i figured i'd focus on this 38A seal. i know there's a bunch of usenet stuff on leakage, but i haven't focused on that yet. > 38A is a seal with some stainless pieces that goes across the rear of the > spoiler. None of these "stick out the back" - but I don't see why you > can't > just replace one seal ok - 38A "goes across the rear of the spoiler". that's the one. > "salmonrushdee" <bryanlep...@gmail.com> wrote in message OFF-TOPIC : fyi i'm fixing this 'salmonrushdee' silliness. -bryan > I am very suspicious that you have glass separation i've been vigilant on this glass separation i have heard about. > Note that when the glass separates, the gass springs are able to distort the frame and you will > > see separation because the frame is no longer straight. huh - it does seem to close unevenly - i suppose i can pour water on the hatch to see if it leaks. > Where exactly is the > "clear space" - is it in back between the pins? on top? on the sides? gonna try a diagram here : --|--------|-- <- spoiler - vertical bars are pins. ||||||||||||||||| <- 38A hanging down from spoiler --[]------[]-- <- metal body - [] are where the pins go in. ^^^^ |--- clearest gap -- 1-2cm -- is here, between the pins. ... but the rubber wings around the flap latch housings aren't perfect. if its easy to replace 38A to eliminate wind noise, i'd do it. but i see what you are getting at with the bigger problem. -bryan |
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