Question about 1998 Pontiac Sunfire

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My door was frozen and the lock wont open

I tried heating it which melted the plastic and now it wont even unlock

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Im taking it that you live in very cold climate? if so then you will need more than wd40? if you squirt wd40/oil based lubricant into the lock itself via straw it will take longer to freeze, but as far as i know if you send heat source to internals of a door lock it will fuse the inside and need replacing im fraid?

Posted on Mar 04, 2009

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2 Answers

Fix a door lock being stuck in locked postion


You might try WD-40, stick the plastic nozzle in the lock as far as it will go, shoot some in, let it work for a few minutes, and the key should move. If you do this several times a year, it will also keep your locks from freezing, in cold weather.

Feb 18, 2015 | 1998 Suzuki X-90

4 Answers

None of the doors open


The latches are "frozen" because of metal contracting in the latch or latch lubricant physically becoming more viscous or freezing and preventing movement of the latch. You may need to apply a sub-freezing lubricant to prevent them from freezing up in low temperatures. Best put the car into a garage and let the general higher temperature unfreeze the latches.

Feb 02, 2015 | 1995 Pontiac Bonneville

1 Answer

I have 99 lhs, the key goes into lock but wont turn tumblers on any door its not frozen


Try a drop of oil in the door locks ,a proper oil can not a spray and see what happens

Jan 17, 2015 | Cars & Trucks

1 Answer

My key will not come out of the driver side door lock. It will turn and move but appears to come up against a


I recommend spraying a penetrating oil (WD40) into the lock and GENTLY working the key in and out of the cylinder. You may also want to try warming the lock with a hair dryer or heat gun (being careful not to damage the paint. I have also heard of ppl using a lighter to heat up the key but because lighters explode, and get hot enough to melt things, I don't recommend it. If possible, park in a heated garage over night. Although I can't be sure that the lock cyl. Is frozen, that's certainly what it sounds like. The penetrating oil will displace water. Keep in mind that the key will be covered in oil after use for a while. To prevent this in the future, use a graphite designed for locks to keep it dry and moving for the future (again, watch for graphite on the key for a while after each use)
Please let me know how you make out! Thanks and good luck!

Jan 18, 2012 | 2008 Lincoln MKX

1 Answer

My switch wont turn and alarm keep going off so how can i turn the switch


You can possibly not have the correct key and the door lock caqn be frozen with ice. The lock it'self might not be frozen but the locking mechcaizem may be. Try different doors as all the door locks will reset the alarm even the hatch. Just unlock it twitce and all the doors should unlock and the alarm reset. A locksmith can open the door for you if you think you have a key problem and once oped the battery can be disconnected the doors clsed with the window down and the key in the on position and then connect the battery and the computer will think the car is already on so the alarm will not be on and then you can turn the car to run and start it and get in and go.

Jan 16, 2011 | 1998 Chrysler Town & Country

1 Answer

04 Durango and the rear door is locked and wont unlock. How can I unlock to open the door. Thanks


This sounds like the power door lock actuator is frozen, it will need to be replaced, when it goes bad sometimes it locks up and will not allow the lock to unlock even with the key, you will need to remove the panel , this is kind of a job, you will need to remove as many of the screws that hold it then pry it off, then you will need to unhook the arm form the actuator that connects to the latch asm, then you will be able to open the door,

Dec 16, 2010 | Dodge Durango Cars & Trucks

1 Answer

I have a a pick-up B-3000 extend cab and the rear door are stuck from the button. How can opens these doors?


  • If it's simply the car door lock that's frozen, try heating your car key with a lighter and inserting it into the lock. The heat from the metal may be enough to thaw the ice and allow you to unlock it. To ensure that the lock will not freeze again, spray it with WD-40.

  • If the entire door is frozen, carefully chip the ice away from the edges with a scraper. Be careful not to scratch the paint of the car. If you cannot chip the ice away, try pouring some windshield washer fluid on the icy areas; windshield washer fluid contains alcohol and this may help melt the ice.

  • Use a blow dryer set on high to melt the surrounding ice.

  • The best way to open a frozen car door and prevent future frustration is to purchase de-icer. Many good brands are available at hardware and auto shops - just be sure the solvent displaces moisture and leaves behind a lubricant. If the lock itself is frozen, spray the product directly into the key hole, wait five seconds and then put in your key and try to turn it. Most of these products have straws that help direct the product out of the can and into small areas, making the de-icing process easy.

    Once the door is open, consider spraying the de-icer along the hinges of the door to keep other parts from freezing. Keep the de-icer in your home or garage where you can easily find it. Do not keep it in your vehicle. Having de-icer in your frozen vehicle won't do you much good.

Dec 05, 2010 | 2001 Mazda Pickup Regular Cab

1 Answer

1991 Chevy Lumina. Car has been sitting for 2 weeks, now battery is dead. Using physical key, will not unlock doors. It seems some power is required to unlock door, even with key. How can I unlock the...


The key should work even if there is no battery in vehicle. Have you tried both doors (or all doors with locks) Do you live where the temp is below freezing - could be frozen shut or locks frozen?

Dec 01, 2010 | Chevrolet Chevy Cars & Trucks

1 Answer

We live in a cold state (MN) and this year though it hasn't been incredibly cold our 2000 Kia Sephia constantly freezes shut. The power door lock on the driver side won't move from the inside or the...


part of the problem with being in such a cold place is even tho its so cold there is still moisture in the air. if you door wont close or open, you need to check the latch out and make sure its not just bent. as for not being able to unlock you door. the latching system is connected to the lock and handle. if the latch wont move don't use wd-40 that will make it worse. you need to pull open the door panel and get it greased with a grease gun. wd-40 will not keep the parts moving in that kind of cold. if latch wont reset
when you get it open, it wont close. just grease it up. oh it would help if you get water guard for your windows. protect you parts from freezing. take care.

Feb 22, 2010 | 2000 Kia Sephia

1 Answer

My 2001 Chrysler Town & Country passenger sliding door won't open


your door panel can come off and you can access internal door locking mechanism from inside car first inspect to see all rods are hooked into plastic sleeves then make sure lock is disengaged by pulling rod towards rear of van it should then be able to be opened easily if not your locking mechanism is frozen inside of door between a pillar and door it will have to be pushed to open from inside of door panel once you do that door will open if you cant make lock work manually once this is done replace locking mechanism or rods accordingly.

Feb 02, 2009 | 2002 Chrysler Town & Country

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