Creaking Door Seals

Discussion in '3 Series' started by Mieke, Jul 11, 2017.

  1. Mieke
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    Mieke WARLORD Site Supporter

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    I first noticed the creaking door seals last summer, but it disappeared once the wetter weather arrived in Autumn. Well now it's back again - just noticed it after the recent heatwave, but after the last couple of days heavy rain, it has gone silent again. So I assume that it's related in some way to the rubber door seals drying out.

    I have read posts about this as being a common problem, but don't recall the mention of a solution. Does anyone know what would eliminate this? I don't want to experiment by applying anything to the rubber seals in case I make it worse. I've seen a product called Gummi Pflege mentioned in posts - would this be a benefit?

    I do have a dry silicone spray which eliminates friction which may or may not work?

    Any advice appreciated.
     
  2. Carl W
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    Mine started at about 12 months, have used Gummi Pflege and it works for me. Absolute silence.
    Some body will be along shortly to tell you not to use it as it degrades the rubber.

    Kindest Regards
    Carl.
     
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  3. Adie
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    Last edited: Jul 11, 2017
  4. Mieke
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    Mieke WARLORD Site Supporter

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    Thanks for the replies, guys. (n)

    I think that I've got some special tape that was installed on the seals of a Vauxhall Cavalier Gsi many years ago that had the same problem. That's if I can find it after all this time. I'll try the tape first, and if not, try to get hold of some of the DuPont Krytox GPL105. Sounds as though Gummi Plfege is only a temporary fix?
     
  5. Adie
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    Adie Site Supporter

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    I reckon you should be ok just using Gummi Pflege as BMW dealers use it. Think the creaking persisted on my E39 as i'd initially tried silicone spray...and once absorbed you can't remove it 100%
     
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  6. Johnny Grabble
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    Johnny Grabble

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    I've been using gummi pflege for about 20 years on door seals. Discovered it when i lived in Germany and had problems with the door seals freezing shut in the -18C winter temperatures. It solved that and the creaking which was worse in cold weather. I usually get it off Amazon, it goes a long way. I also use it on the rubber seals of our house windows to prevent them sticking. No rubber degradation on those so far....15 years on.
     
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  7. Mieke
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    Mieke WARLORD Site Supporter

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    Thanks Aidie. I might do that if I can't find the tape.

    Gummi is readily available, but the DuPont Krytox GPL105 only appears to be available from the US and is quite expensive. I've had a nasty surprise in the past of getting slapped with customs import duty for a lot more than the item cost. HM Customs and Excise have you by the 'short and curlys' once the package arrives in the UK. You either pay up, or lose what you've already paid. :(
     
    Last edited: Aug 14, 2017
  8. Adie
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    You can also get Krytox from VW dealers, part no G 052 172 A1
     
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  9. Cotswold BMW
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    £7.25 for Gummi Pflege from us :cool:
     
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  10. Spuffington
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    I had this quite badly on my E60 535d - sounded like the rear door was knocking in transit. Took it to Sytner and they applied some clever stuff two-stage stuff and never happened again (presume it was some form of Silicone remover and then the gummi pflege on top).

    Since then I've also used Gummi Pflege and never had any issues.
     
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  11. The CO
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    I've used Gummy in the past and had mixed results in that the creaking would come back after a week. Couldn't stand it any longer so took it back to my dealer and they replaced the lot under warranty. Creak-free since!
     
  12. Peter
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    BMW are using a retrofit PTFE tape (3M I believe) to stop the creaking on the F3x cars. New seals hardly ever stop the problem, particularly if it is contamination, polishes etc., which have caused the problem in the first place.

    Peter
     
  13. The CO
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    The CO Admin

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    Well, I can only go by my experience. Replaced and creak-free since late last year. No tape.
     
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  14. Mieke
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    Mieke WARLORD Site Supporter

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    In my case, nothing has ever been put onto the door seals no wax or polish to cause this problem. I intend to see what the dealer says, as it's still under warranty.
     
  15. Peter
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    My E39 was awful for creaking door seals, regular use of Autoglym rubber care used to keep it at bay. I had a creaking driver's door seal on my 330d virtually from new, the dealer changed it and it was virtually the same again within days. The only way to stop it was to keep the door shuts clean, plus carful use of a rubber cleaner on the door seals. I've been very particular on my 535i not to get any polish near the door seals or in the shuts. Not a creak or groan in almost 5-years.

    BMW have improved the seals over the years, but still new cars get the creaking, particularly from the flock part of the door seal. Some users have even doubted the shampoos used to clean cars. I suspect even products some dealers use have contributed to the problem.

    There are even SIB's on the problem, SI B 51 02 05 being one example for the E60/61. Where it uses the transparent Teflon tape as part of the solution. It also clearly states, "Do not apply "Carbaflo" on these door seals".

    F3x cars seem to have a particularly bad problem with creaking, the flock area is where the friction builds up. It gets too 'grippy' and a bit of vibration causes the unsmooth movement and resulting creaking.

    New seals can stop the problem, but it often returns quite quickly. Hence looking for causes and preventative measures.

    Peter
     
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  16. Mieke
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    Mieke WARLORD Site Supporter

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    I may have found a solution to the problem. (y) I'm fairly certain that the creaking noise is coming from the rear doors and I suspect that the culprits are the outer seals on top of the window frame with the flock surface that seals on the gutters. So starting at one end, I manipulated the seal between thumb and finger, flexing the blade back and forth, while at the same time pressing down to ensure the seal was seated properly on the window frame. At several points there was a clear "click" or "pop" as if the seals weren't properly seated. Did this on both rear doors. Went out in the car today and SILENCE!

    Not sure whether this is a permanent fix, but keeping my figures crossed. Will see what happens before trying something else. For what it's worth, I don't think that the inner seals are the problem - they seem too soft and pliable to generate any noise.

    I'm congratulating myself at the moment, but may be kicking myself in a couple of weeks time if the dreaded creaking returns. :whistle:
     
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    Last edited: Jul 14, 2017
  17. Peter
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    You've likely changed the pressure points, where the problem creaking occurs.

    I see it as a 'friction/stiction' problem along the flock seal. I've never been convinced most of the creaking reported is from the rubber door seals, which some have had replaced. The door seals as you say are soft, and being hollow should be rolling on movement of the door, not sliding on the contact points. The top of door flock contact is where the parts have to slide against each other. Some users have even used something like Vaseline on the flock, which stops the creaking, no build up of stiction, or the noise when it releases, but not an ideal solution. Does indicate it is how the flock moves on the door shut/gutters, like moving a wet finger on a piece of glass, can generate a horrible sound as the finger vibrates as it moves. Or a creaking door, as hinges can behave in a similar way.

    Peter
     
  18. gw8izr
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    gw8izr

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    To identify what is creaking I always put a strip of newspaper on the suspect trim interface.. its always worked for me in the past.

    Once you know what is creaking and what its made of you can readily work out how to cure it.
     
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  19. Peter
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    Good point, saves a lot of frustration. I know some have temporarily taped over the flock seal and proven it is the problem area.

    Peter
     
  20. Mieke
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    Mieke WARLORD Site Supporter

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    I'll report back in a few weeks. I'm wondering whether the creaking is more to do with how the seals have been fitted to the window frame, rather than the contact point with the flock. As Previously stated, I only get the noise in hot dry weather. It disappears in cool wet conditions and over winter months.

    I think that this phenomena has affected numerous models and makes of car. I had a Vauxhall Cavalier GSi in the early 1990's and the factory recalled the car to fit clear PTFE tape where the seals made contact. So nearly 30 years later, it's still a common fault.
     

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