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Sticky Shifter Button

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

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pmcoppola
Posts: 6
Joined: 29 November 2009
Year and Model: S70, 2000
Location: Austin, Tx

Sticky Shifter Button

Post by pmcoppola »

The transmission shifter on my 2000 S70 sticks after it is depressed to shift the transmission from P to D or R. Actually, anytime it is moved. This is annoying because you can't remove the key and the transmission in P while the button is stuck. You can sort of wiggle the button with your fingers to get it to release to finally get the key to release.

Any thoughts on what to do? Does the shifter knob with the integral button unscrew? Could it just be dirty or is there a spring that has nearly failed?

Thanks

jblackburn
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Year and Model: 1998 S70 T5
Location: Alexandria, VA
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Post by jblackburn »

Try this: grab a paperclip and a can of white lithium grease with a straw. Unfold the paperclip and scrape around the edges of the button to get any crud out, then spray the grease in there and work the button in and out several times.

Worked like a charm for me!
'98 S70 T5
2016 Chevy Cruze Premier


A learning experience is one of those things that says, "You know that thing you just did? Don't do that."

mercuic: Long live the tractor motor!

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BEJinFbk
Posts: 4067
Joined: 5 January 2008
Year and Model: '98 V70 R
Location: Fairbanks, Alaska
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Post by BEJinFbk »

'98 V70 R - Well Equipped for Life Up North... ;)

pmcoppola
Posts: 6
Joined: 29 November 2009
Year and Model: S70, 2000
Location: Austin, Tx

Post by pmcoppola »

Thanks for the suggestion.
I looked at the issue more carefully and by looking in a mirror I now see that the button itself is broken at one of the hinge points of the small metal hinge that it rotates on. This causes the button to enter the shifter somewhat askew and as a result sticks.

To resolve this, I will need to replace the button.
How does one go about doing this?

Gubernaculum
Posts: 93
Joined: 22 January 2012
Year and Model: '00 s70
Location: SC

Post by Gubernaculum »

PSA regarding sticky shift knob buttons: Mine has stuck "in" since I got the car, and I've come up with a couple of bootleg fixes for those trying to postpone spending $25 on another button that will probably fail as well.

How mine, and many others, failed was that the plastic button cracked and broke at the "bottom" of the button, where the hinge is, allowing it to slide around, but not bad enough for it to fall out. Once I removed my knob it was easy to see.

I initially "carved" grooves into the nose of the button using a file so it would be easier to grip when I need to push it toward the back of the car to unstick it every time I put the car in park. That made it live-able for the last year, but nobody else could figure it out when they drove my car.

I just took the knob off again and watched how it works while using a chop stick to push inside the knob. So, when the button breaks near the hinge, it is free to slide up/forward in the knob and wedges itself against the forward edge of the opening that it is in. My new bootleg solution was to take a small, very sharp pocket knife, and carve out a tiny sliver of the forward edge of the opening, giving the button more breathing room. I'm talking less than a millimeter. It now doesn't stick at all. The button is still broken - maybe someday it will completely fail - but for now I'm happy.

If someone needs me to take a photo I can, but I think it's pretty self-explanatory when you look at it and use a long screwdriver or something to actuate the button from inside.

EDIT: Well crap, my bootleg shaving fix wasn't as effective as I hoped, having now run the car a few times, but it still helped some. It still sticks a little, but not nearly as much as it did.

anjill182
Posts: 134
Joined: 25 January 2011
Year and Model: 98 XC,98 AWD, 95 T5R
Location: Ladysmith, Virginia
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Post by anjill182 »


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