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98 V70 T5 Power Seat Switch is Malfunctioning

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 » V70 Power Seat Switch
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Pentacyl
Posts: 19
Joined: 23 October 2018
Year and Model: 1998 V70 R AWD
Location: Kent
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Re: 98 V70 T5 Power Seat Switch is Malfunctioning

Post by Pentacyl »

Hallooo!
BIG thank you. It worked for me. This has to be the easiest Volvo workaround, ever.
songzunhuang wrote: 25 Aug 2014, 23:20 So I have been dealing with a stuck power seat on the passenger side. The front part of the seat was stuck on the full high position. The motors seemed to be ok, and the seat was working in all other directions. So I figured that the power seat microswitch must be malfunctioning. Before buying a new switch, I thought I'd try to clean it out. It turns out it was pretty easy so I thought I'd share the process. All I had to do is spray the contact with a little electronics cleaner and it worked!

So the seat switch assembly is actually pretty easy to take off once you release the plastic zip ties holding it to the frame.

1) Look under the front edge of the seat and you'll see the control wire fasten by a few zip ties. cut those and you'll be able to release the whole assembly.

2) Lift the forward part of the seat up and then slide back to release.
Image

From the back side, you can see the circular areas that clip onto the seat and hold it all in place.
Image

From the picture above, you can see the location of the screws.

3) Remove the T25 screws and you can slide up the whole assembly.

4) You'll have to cut two more zip ties before you lift the switch out of the housing. Remove the switch housing and you'll see some philips head screws.

5) After you remove the philips heads screws you'll see the micro switches.

6) I used a screw driver to pop up the switch case enough the spray the cleaner inside, operated the switch a few times and then the switch worked! Since all was well, I just put it all back together. I was surprised how easy this was to do.

After doing this, I realized that I didn't need to even unplug the switches to clean it out and test it. There's plenty of slack in the wiring to leave it all in place while you clean it.

You'll need to re-fasten the wires with the all the zip ties. This re-fastening will also prevent the assembly from moving off the seat. So before you buy new power seat switches, try cleaning it out. You may save yourself some bucks and it doesn't take long to try it out.

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