A few months ago, the front passenger door on my 97 Rav4 decided it didn't want to open anymore. About a week ago, the driver's side front door decided to quit too. Any ideas on what could cause both doors to lock and stay locked?
I've had the same problem.. I took it to a local mechanic. They
(somehow) got access to the door's innerds, opened up the lock
assembly, and found a lot of corrosion inside. They cleaned it, let it
soak in oil overnight, and I was back in business. Until I had the
same problem again the following year. Took it to the same place, they
did the same thing again.
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problems with 3 out of 4 doors? Has your vehicle been in an accident just before these problem started? Cavaliers are known for problems but I have never heard of this type of situation unless the vehicle has been in an accident and the body wasn't realigned properly or verified.
Typically when you get a door that opens from one handle and not the other the problem is inside the door and part of the latch assembly has either broken or come apart. To fix it you have to open up the door itself and get to those controls.
The reason I asked about the vehicle being in an accident is because you described the door opening on it's own. Now that could have been because it didn't catch correctly but with all the other problems you mentioned I am concerned that the doors are out of aligned.
What you should have done a long time ago is buy the Chilton's or Haynes' manual for your vehicle - if you had, chances are you wouldn't be asking this question on here. And if you had checked your fuses, especially for your doors and windows - power windows and locks is my clue about the fuses - you wouldn't be on here either. Odds are extremely high that the regulators for BOTH the power windows and locks AND for several of them, would go out all at once. So go to the auto parts store, get the repair manual - (about $20) - and check it for the size of fuses you need -old style or new style, depends on ago of vehicle, and go to the register and buy and then go home and flip through it. And you want to get a code reader at some point in time too. Both the manual and the code reader will help you be better informed AND will help answer questions.
over time the grease in the locks etc can become frozen and stop movement when its warmed up a bit it will move better, using the key on the doors every now and then helps move this greas about as the central locking wont move these parts only the switches, replacing the grease after a degreasing locking mechanisms inside the door on the rear of the lock should help choose a grease that can handle low temperatures.
Your door latch assembly may be compromised. It could be rusted, the electric solenoid (if it has one) may be seized. Or the rods from the key are bent. Are you using th key in this door regularly? If not, the tumblers in the lock may be seized. Spray some WD-40 in the lock where the key goes, and jam the key in & out repeatedly, and retry. Remove the door panel & spray the interior of the latch, also. Hope this works for you; or, you are going to need new latches.