03-20-2016, 08:58 PM
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#1
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Junior Member
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Join Date: Oct 2012
Location: Nashville, TN
Posts: 12
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Junior Member
Join Date: Oct 2012
Location: Nashville, TN
Posts: 12
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99 Rear Hatch Lock "Frozen"
Noticed the other day when trying to unlock my car from the rear hatch that the lock is wont turn either way. The key goes in fine but feels like I have the wrong key when I turn it. Doesn't budge and I don't want to turn it too hard and risk breaking something.
I tried my spare key which is still brand new thinking maybe the grooves on my main key were becoming worn and it did the same thing.
This is a recent thing as I use the rear lock fairly often for both unlocking and rolling down rear window.
Anyone else ever run into this?
Thanks in advance. Great forum by the way. I'm not a frequent poster but definitely a frequent lurker.
Last edited by 99LTD; 03-20-2016 at 09:04 PM.
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03-20-2016, 09:10 PM
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#2
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Moderator
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Join Date: Apr 2008
Location: Mission Viejo, CA
Posts: 6,838
Real Name: James
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Moderator
Join Date: Apr 2008
Location: Mission Viejo, CA
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Real Name: James
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I don't know of any good methods to free it up, but good call on not turning it too hard. Those rear license plate/lock surrounds are weak, often times, the portion of plastic holding the lock in place will break.
Good luck though.
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IG: @jimharb | YouTube | '99 Limited 2WD |
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03-20-2016, 09:53 PM
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#3
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Senior Member
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Join Date: Nov 2012
Location: Oregon
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Real Name: Tim
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Senior Member
Join Date: Nov 2012
Location: Oregon
Posts: 1,107
Real Name: Tim
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It could very well be your key!
So the rear lock gets used maybe less then 5% of the time while the key is getting used every day. The ignition and driver door as well get used more often to boot. Go get a new key cut ( not a copy of your key in hand) and see if that helps, if not then it's time to dig a little deeper. But cheap and easy first.
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'99 5-speed, URD short shifter, Tundra Bilstien/881, 5100/891, TT diff drop, SS Panhard Bar, Studt drop links, Projectors, E-Locked, 231 TBU, Highlander 
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03-20-2016, 10:31 PM
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#4
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Join Date: Jan 2016
Location: Mt. Airy, MD
Posts: 396
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Member
Join Date: Jan 2016
Location: Mt. Airy, MD
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When I bought mine the hatch lock was just about seized. A liberal soaking of WD40 freed it right up.
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03-20-2016, 10:39 PM
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#5
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Join Date: Nov 2012
Location: Santa Monica, CA
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Real Name: Keith
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WD-40/PBBlaster/etc followed by a real lubricant like Triflow. Can't hurt.
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03-20-2016, 11:14 PM
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#6
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Join Date: Dec 2015
Location: Fredericksburg, Texas
Posts: 118
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Member
Join Date: Dec 2015
Location: Fredericksburg, Texas
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Liquid graphite is the correct lubricant for lock cylinders. Try it, it works wonders.
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03-21-2016, 05:45 PM
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#7
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Junior Member
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Join Date: Oct 2012
Location: Nashville, TN
Posts: 12
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Junior Member
Join Date: Oct 2012
Location: Nashville, TN
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Liquid graphite is a great thought. Will give that a try.
I haven't used that stuff since I was a kid and put it on the wheels of my pinewood derby car in Boy Scouts. Thing won every race.
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03-24-2016, 11:57 AM
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#8
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Junior Member
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Join Date: Oct 2012
Location: Nashville, TN
Posts: 12
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Junior Member
Join Date: Oct 2012
Location: Nashville, TN
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$6 bottle of liquid graphite 'Lock-ease' from Amazon did the trick. Thanks all.
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03-24-2016, 12:07 PM
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#9
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Senior Member
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Join Date: Mar 2016
Location: West Bend, WI
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Real Name: Mike
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Senior Member
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A solution of 50% ATF (whatever cheap stuff you can find) and 50% acetone is the best penetrating oil you can buy (make yourself). If that doesn't free up anything frozen in there, nothing will...
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