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Power seat issue, switch or motor?

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

This topic is in the MVS Volvo Repair Database » Volvo power seat issues: switch or motor?
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JRL
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Post by JRL »

If some of the seat motor functions work, it's almost ALWAYS the switch, they go bad.
Buy a used one at www.erievovo.com.
If the BACKREST is dead it's usually the cable that broke, (INSIDE the seat).

rwaltco
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Joined: 27 April 2006
Year and Model: 2009 V70
Location: TACOMA

Post by rwaltco »

Thanks for the idea.. I have found that Erie Volvo is ne of the most expensive places there is. Sorry Erie..thats the way it is.

ferrari9
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Post by ferrari9 »

Most likely you hear the motor running but there is nothing to actuate the movement of the seat-back, or in other words your cable is no longer working. Apparently, it's fairly common to have to replace the cable.
You could pull some DTCs from the diagnostic box under the hood. There is a procedure you could perform that will pull any existing codes, erase them, then search for and display all codes pertinent to your problem.
If the issue is the cable, then it is actually pretty easy to fix yourself. Sure, you'll have to take the seat apart, but if your confident in doing it yourself it'll save you lots of money compared with having a dealer fix it for you.

JRL
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Post by JRL »

rwaltco wrote:Thanks for the idea.. I have found that Erie Volvo is ne of the most expensive places there is. Sorry Erie..thats the way it is.
Fine, go find them (used) somewhere else, not so easy to do

VolvoBeginner
Posts: 46
Joined: 5 March 2007
Year and Model: 2002 S60 2.4T
Location: Putnam Valley, NY

Post by VolvoBeginner »

ferrari9 wrote:Most likely you hear the motor running but there is nothing to actuate the movement of the seat-back, or in other words your cable is no longer working. Apparently, it's fairly common to have to replace the cable.
You could pull some DTCs from the diagnostic box under the hood. There is a procedure you could perform that will pull any existing codes, erase them, then search for and display all codes pertinent to your problem.
If the issue is the cable, then it is actually pretty easy to fix yourself. Sure, you'll have to take the seat apart, but if your confident in doing it yourself it'll save you lots of money compared with having a dealer fix it for you.
Hi,
I just got my first Volvo ('94 850 Wagon) and the next day after I picked it up, drivers back rest adjustment stopped working. I could hear ruttling sound inside the back rest when I pressed the switch but it woldn't move. Next day I was driving it started moving down. Down only and I ended up driving like a "boy from the 'hood" with back rest reclined... :oops:
Today it started moving up but only a notch at the time, it feels like a relay beeing overloaded ;[
Does this sounds like a cable too? Or something else?
It will take me at least until next weekend to take the seat apart. I would like to know what am I looking for before I start. Are there any blue prints or manuals available on-line? I could not find any.
Appreciate any hints

and since it is my first post...Hello Everybody!!!
8)
1994 Volvo 850 Wagon (N/A) - sold
1999 Volvo V70 (N/A)

JRL
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Post by JRL »

It's either the cable fraying or the gear splines breaking/broken

VolvoBeginner
Posts: 46
Joined: 5 March 2007
Year and Model: 2002 S60 2.4T
Location: Putnam Valley, NY

Post by VolvoBeginner »

JRL wrote:It's either the cable fraying or the gear splines breaking/broken
Thanks,
I found the replacement cable for $40+. But can not find any other spare parts related to this problem (splines?). Is there something like a gearbox?
1994 Volvo 850 Wagon (N/A) - sold
1999 Volvo V70 (N/A)

Ronniedasaint
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Joined: 23 March 2007
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Post by Ronniedasaint »

Where did you find the cable and were you able to work the problem out? If you did what did it require?

I was trying to adjust my seat today and it just started going down into "gangster lean". And it's really uncomfortable. I know this is pretty common because it happened in my last Volvo.
RonniedSaint



94 850 Non Turbo 2.4L

94 850 GLT

VolvoBeginner
Posts: 46
Joined: 5 March 2007
Year and Model: 2002 S60 2.4T
Location: Putnam Valley, NY

Post by VolvoBeginner »

I got it from here.


I did not replace it yet as the tranny leak was my priority. Taken care of yesterday :lol:
I will update the post as soon as I get to the seat problem. By the way playing Gangsta' Paradise goes really well with the seat position....
1994 Volvo 850 Wagon (N/A) - sold
1999 Volvo V70 (N/A)

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