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S80 Driver's Side Door

Help, Advice, Owners' Discussion and DIY Tutorials on the third generation Volvo V70 wagon and XC70 crossover, and second generation S80. Are you an owner? Prospective owner? Get in here and join us! Start a new topic or comment on an existing thread.

2008-2016 V70
2008-2016 XC70
2007-2016 S80

Volvidge
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S80 Driver's Side Door

Post by Volvidge » Wed Jul 10, 2019 9:04 am

Hello Volvo community! I own a 2008 S80; I have prolonged some needed maintenance on the vehicle because of a move across country. As of late, my driver's side door lock will not remain locked either while driving or while the car is parked and electronically locked: often this results in the car alarm sounding off. This problem has resulted in the battery failing and weakening beyond the point of no return. So, I have some questions.

1) Pertaining to the door lock, what may be the problem? (Any suggestions about parts, video tutorials on how to repair, etc would be greatly appreciated.)

2) Are after market batteries suitable for my Volvo's electrical needs, or do I need to stick with Volvo batteries? (The only battery I have looked into is the Super Start line. Are these decent batteries?)

Thank you in advance for any advice you may be able to offer.



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MoVolvos
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MoVolvos

Re: S80 Driver's Side Door

Post by MoVolvos » Wed Jul 10, 2019 9:58 am

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Does it lock with the keys?


Blessings,

BKM

1998 S70 T5 - Donated
2003 S80 T6
2003 GS300
2003 Odyssey
2008 C30 T5
2019 Atlas SE 4 Motion

Volvidge
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Volvidge

Re: S80 Driver's Side Door

Post by Volvidge » Wed Jul 10, 2019 10:13 am

MoVolvos wrote:
Wed Jul 10, 2019 9:58 am
-
Does it lock with the keys?
Yes, I can still lock the door with a key.



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MoVolvos
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MoVolvos

Re: S80 Driver's Side Door

Post by MoVolvos » Wed Jul 10, 2019 10:22 am

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If it works with the key then it's the little motor inside the locking mechanism. Last month I removed the locking mechanism on my 03 S80 T6 and rebuilt the small motor inside with the help of a Youtube video. So far so good.

Here is the door panel.
I tried 08 S80 and 3.2 & V8 and all shows parts without keyless entry system? Hope it helps a little.
https://usparts.volvocars.com/p/Volvo_2 ... 00023.html

https://usparts.volvocars.com/showAssem ... ly=6800924

I did exactly this after cutting open the door lock mechanism. I wasn't paying attention and opened the mechanism assemby itself and everything flew everywhere. Took me awhile to figure out how the mechanism function. The part is not cheap.


Blessings,

BKM

1998 S70 T5 - Donated
2003 S80 T6
2003 GS300
2003 Odyssey
2008 C30 T5
2019 Atlas SE 4 Motion

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MoVolvos
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MoVolvos

Re: S80 Driver's Side Door

Post by MoVolvos » Wed Jul 10, 2019 10:29 am

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Just saw Robert's video. His video is clearer in terms seeing the inside of the motor. I used the copper wire from a 14 awg Romex while he is using a clipped copper washer.
These users thanked the author MoVolvos for the post:
Volvidge


Blessings,

BKM

1998 S70 T5 - Donated
2003 S80 T6
2003 GS300
2003 Odyssey
2008 C30 T5
2019 Atlas SE 4 Motion

Volvidge
Posts: 7
Joined: Wed Jul 10, 2019 8:49 am
Year and Model: 2008 S80
Location: Texas
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Volvidge

Re: S80 Driver's Side Door

Post by Volvidge » Wed Jul 10, 2019 10:42 am

MoVolvos wrote:
Wed Jul 10, 2019 10:29 am
-
Just saw Robert's video. His video is clearer in terms seeing the inside of the motor. I used the copper wire from a 14 awg Romex while he is using a clipped copper washer.
I really appreciate your response, MoVolvos, on this topic. I will review each video with a keen eye.



Volvidge
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Re: S80 Driver's Side Door

Post by Volvidge » Wed Jul 10, 2019 10:58 am

Also, I forgot to mention in the initial post that this also triggers the driver's side door ajar signal in the dash. I just wanted to make a note of that here and see if there is any additional concerns I need to be aware of.



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MoVolvos
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MoVolvos

Re: S80 Driver's Side Door

Post by MoVolvos » Wed Jul 10, 2019 11:03 am

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Good providence in getting that solved. While you are in there check wiring and other electrical just in case something got unplugged or loose.

I was frustrated with my son for not cleaning the underneath of the seats (to my standard :roll: ) so decided to double check all the others. Part of the passenger seat did not function when purchased and I was dreading the potential electrical and/or mechanical issues. Long story short, found a wire dangling but not low enough to be obvious.

Another head ache gone!


Blessings,

BKM

1998 S70 T5 - Donated
2003 S80 T6
2003 GS300
2003 Odyssey
2008 C30 T5
2019 Atlas SE 4 Motion

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MoVolvos
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MoVolvos

Re: S80 Driver's Side Door

Post by MoVolvos » Wed Jul 10, 2019 11:15 am

Volvidge wrote:
Wed Jul 10, 2019 10:58 am
Also, I forgot to mention in the initial post that this also triggers the driver's side door ajar signal in the dash. I just wanted to make a note of that here and see if there is any additional concerns I need to be aware of.
Is the ajar signal on all the time? Try one more thing. Have the window down and close the door. If the ajar signal is on try locking the car with the key from the outside and see if the ajar signal goes away.

The lock could be stuck in the unlock position and/or the door striker does not communicate with the alarm module that it is closed. Hope it is not an alarm module issue. I don't have the ability to troubleshoot from a diagram so you may have to try the mechanical first. Perhaps someone else will have some suggestions?


Blessings,

BKM

1998 S70 T5 - Donated
2003 S80 T6
2003 GS300
2003 Odyssey
2008 C30 T5
2019 Atlas SE 4 Motion

Volvidge
Posts: 7
Joined: Wed Jul 10, 2019 8:49 am
Year and Model: 2008 S80
Location: Texas
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Volvidge

Re: S80 Driver's Side Door

Post by Volvidge » Wed Jul 10, 2019 11:52 am

Is the ajar signal on all the time? Try one more thing. Have the window down and close the door. If the ajar signal is on try locking the car with the key from the outside and see if the ajar signal goes away.
Yes, the ajar signal, for the driver's side door, is on all the time, either when I am driving or not.

Once I am able, I will try the recommendations you've suggested here. I too hope it is not an alarm module situation.



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