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1996 850R Slight Steering Wheel Vibration

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

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
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1997 - 2000 V70, V70 AWD
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wackenhut
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Year and Model: 850R 1996
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wackenhut

1996 850R Slight Steering Wheel Vibration

Post by wackenhut » Sun Apr 24, 2016 9:55 pm

Hi,

I just got new tires, balance and alignment. I noticed that at speeds above 70, there is a slight vibration in the steering wheel. Does anyone know what this could be related to, maybe the tires weren't balanced correctly? Not sure if it could be something else. Please let me know.

Thank you.

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lext
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lext

Re: 1996 850R Slight Steering Wheel Vibration

Post by lext » Sun Apr 24, 2016 10:27 pm

I have the same thing with my car. I'm wondering if it's the engine mount. I know there's one near the passenger side wheel well, but the other two scare me a bit. Looks like they're quite hard to get to, hard to get off, and will require me going all the way in under the car with just the jack stand between concrete and 2 tons of metal.
94 850 non-turbo

polskamafia mjl
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polskamafia mjl

Re: 1996 850R Slight Steering Wheel Vibration

Post by polskamafia mjl » Mon Apr 25, 2016 12:00 am

The motor mounts are actually quite easy. The front one is the easier of the two and doesn't require you to be very far under the car at all. The rear one also isn't very difficult but you are under the car. Use at least two quality jack stands and also leave the jack under the car. Engage the parking brake and chock the back wheels. You could also simply use ramps. They aren't very expensive and may make you feel safer. If you don't want to buy a set you can easily make them from wood.

And OP, any part of the suspension could be causing a vibration. If you question the first shops balancing then maybe start by getting a second opinion. From there you'll want to jack up the front of the car and inspect anything that moves. Wiggle the wheel at 3 and 9 to check the tie rods and 12 and 6 to check ball joints.
'All my money is gone and I have an old Volvo.' - Bamse's Turbo Underpants

Current: 1995 Volvo 850 T-5R Manual - Bringing it back from the brink of death
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jreed
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jreed

Re: 1996 850R Slight Steering Wheel Vibration

Post by jreed » Mon Apr 25, 2016 5:07 am

There are several possibilities for steering wheel vibration. In one case a few years back I had an alloy wheel that was bent and even though I had a recent alignment and a wheel balance, the car shimmied at ~60-65mph. The tire guys found the bent wheel and put the tire on a refurbished wheel I bought, and the problem was solved.
If you rotate the front wheels to the rear and the steering wheel vibration goes away, that would suggest that the source of the problem is in one or both of the front wheels.
Good luck!
:)
1997 855 GLT (Light Pressure Turbo) still going strong. Previous: 1986 240 GL rusted out in '06, 1985 Saab 900T rusted out in '95, 1975 Saab 99 rusted out in '95, 1973 Saab 99 rusted out in '94

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rspi
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rspi

Re: 1996 850R Slight Steering Wheel Vibration

Post by rspi » Mon Apr 25, 2016 7:11 am

Was the vibration there before you had new tires installed?
'95 855 T-5R M, Panther - 22/28 mpg
'98 S70 GLT, Lil' Red 25/32 mpg
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