Volvo S70 Made from 1998 to 2000, this sporty model replaced the 850 sedan and instantly became a hit.

door locks wont work

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Old 01-29-2014, 07:21 PM
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Default door locks wont work

hey guys so in my s70 the rear doors will not unlock unless u pull up the tab manually, the door unlock switch on the drivers door will lock the doors but they will not pop up and unlock. the white plastic l piece will actuate both ways but the white piece that holds the pop up thing will not move up do I need to replace the whole assembly or is there a spring or something or other I can replace thanks in advance
 
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Old 01-29-2014, 08:27 PM
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The easy way out is to replace the entire latch. What has happened is a protection circuit (inside the motor) has gone bad and has weakened the power going to the locking motor.

I have opened up the latches, removed the motor, opened the motor, removed the circuit, installed a solid piece of metal, and put it all back together and have not had an issue since.
 
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Old 01-29-2014, 08:36 PM
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awesome thanks you didn't make a thread on doing that did you by chance?
 
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Old 01-29-2014, 09:26 PM
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Age is tough on these little electric motors. I had the sun roof fail to close for a weak motor. I pulled out the motor and inspected it. I happen to know how to fix that kind of stuff so I took it apart. Dirt, corrosion and grease deterioration cause thse motors to get weak.

I thik it took me about 30 minutes to take it apart, completely clean it, replace the grease and put it back together. But if you don't know how to do it, you may make it inoperable. I would bet that this problem causes the protection circuit rspi mentioned. I would have one concern bypassing that circuit in that it probably acts as a safety in case a hand or finger is in the way when it closes. But I don't know that for a fact.
 
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Old 04-15-2015, 10:03 AM
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Originally Posted by jhabeeb8
awesome thanks you didn't make a thread on doing that did you by chance?
Here, this is probably what you want:

 
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