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Old 12-29-2009, 12:17 PM   #1
hockeyfan27
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FML - Frozen door lock

-14*C this morning and I was hardly able to open my car door. Once opened, it wouldn't close.

Repetitively slamming the door worked. However, does anyone know a better way to un-freeze a stuck door lock?

thanks!
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Old 12-29-2009, 12:20 PM   #2
Deep 3.2TL
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I always ended up just parking my car in the garage for a night with a heater on.

It's gotta thaw it out, but also get the water to drain away.

If you've got the time and inclination, opening the door panel and ensuring it's dry then adding some WD40 will help.
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Old 12-29-2009, 12:22 PM   #3
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canadian tire sells "lock de-icer"" something you squirt into the lock and it unfreezes, worked for me last winter (Y)
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Old 12-29-2009, 12:33 PM   #4
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hold your door handle up, the lock has a heater. mine have iced up daily the last few days (parked in country with wind against my door off a field).
hold it up for a few seconds and its good to go
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Old 12-29-2009, 12:34 PM   #5
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or do you mean the door retentino system and door seals?
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Old 12-29-2009, 01:06 PM   #6
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Quote:
Originally Posted by tg07lq View Post
or do you mean the door retentino system and door seals?
Yes, I'm referring to the mechanism that holds the door closed. This morning when I gently 'slammed' it, the door would just bounce back.

I'm thinking Deep's suggestion of wd40 is my best bet, as much as I don't want to disassemble my door in this eph-ing cold.

Though it wasn't my issue this morning, I am interested in the lock heater feature. Does it only come with the cold weather package or is it on all of our cars?

What can I do to stop the weather stripping from freezing to the door and window? Would Vaseline (or suggest some other water displacing substance) on the seals help or just make a mess?
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Old 12-29-2009, 01:56 PM   #7
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^^ My door (E39) did the same thing last night....I get this once or twice every winter....

Interested to hear the solution....other than hot water and heating up the car while driving
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Old 12-30-2009, 12:29 AM   #8
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As others have said, pull the handle up, let go and pull again this time hold for more than 30 seconds. The lock will unfreeze.
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Old 12-30-2009, 12:47 AM   #9
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I'm assuming that will work to un-freeze the lock only, when your key won't turn in the door, or is my assumption incorrect? If it happens again tomorrow, I'll test it out.
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Old 12-30-2009, 01:02 AM   #10
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yeah the above is only for a frozen lock in which the key wont turn. for the door seals i believe you can get a treatment at a local parts store. my bet for locking mechanism would be wd40 as it repels water
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Old 01-03-2010, 02:21 PM   #11
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I was having a lock sticking problem with my current car and I couldn't find any WD-40 so I went to Canadian Tire to buy some. When I was there I saw some stuff called trucker's lubricant and I decided to try it out. That stuff is like magic, it lubes a million times better than wd-40 and actually coats the surface while wd-40 just drips off. It made my sticking, loose and crunching door locks like new and unfroze my filler cover and trunk popping levers and cables.

I would get that stuff because it's more than worth it. And you can spray down the latch mechanism too.
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