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#1
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Bad Vibes
After having a little fun in the snow with my 92 SVX this past weekend, I finally went to work yesterday morning. Everything was fine untill I took the car up to speed on I-95 N. Approaching 50 mph, the car started to vibrate. At 60 mph, I felt like I was sitting in a massaging chair. At 70 mph, the vibration was so bad that I thought that the fillings would fall out of my teeth.
I slowed down to 55 mph and that seemed tolerable. So I drove to work. At first, I thought that I had thrown a wheel weight and that one wheel was badly unbalanced; since the shaking increased with speed. Then I remembered that I had had the same experience a couple of weeks before while driving our 97 Outback wagon home from work. That morning I had taken the Outback and driven through a snow storm to get to work. Coming home the Outback shook badly at speed. However as I kept driving the OB, the speed at which the shaking started seemed to increase. Finally I took the OB up to 85 mph and it was as smooth as always. Last night when I drove the SVX home, it was also smooth at speed. I can only surmise that snow and/or ice builds up on underside of the the car and unbalances some component of the Subaru AWD system. Eventually the snow/ice melts and evrything is in balance again. Do any of you techies have any better explanations? PS: It's nice to be able to post again.
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Larry III & The Beautiful Naviguesser '19 Tungsten Pearl Outback 3.6R Ltd...."AISHA" '08 Harvest Gold Outback 3.0L. L. L. Bean...."AIJOU" '07 Gray Diamond Pearl Outback XT Ltd..."AH SO" '05 White Pearl & Silver BAJA Turbo..."AH HA" '97 Bordeaux Pearl SVX LSi..."SUBYDOO" '94 White Pearl SVX LSi..."PEARLY" '92 White Pearl SVX LSL w/touring pkg..."SVXY" '92 Teal SVX LSL w/touring pkg..."ALCYONE" '96 Polo Green LSi ... "MIDORI" '00 Black Dodge VIPER RT-10... "VINNIE" Engineers do it with precision. English teachers are novel lovers. Home: larrysingeriii@comcast.net SVX FEVER, CATCH IT AT A MEET NEAR YOU !! Last edited by LarryIII; 02-20-2003 at 05:13 AM. |
#2
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Tek hed
Larry
I reckon your explanation was exactly right. Further, I would expect what you had was packed snow inside one or more wheel rims. If you have a wheel off you will agree that from the inside they resemble a bucket. What you were spinning was probably four half buckets of snow. When you stop, the heat from the brakes would melt it all off. Joe
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Black Betty [Bam a Lam!] '93 UK spec, still languishing Betty Jersey Girl Silver '92 UK [Channel Isles] 40K Jersey Girl @ Mersea Candy Purple Honda Blackbird Plum Dangerous White X2 RVR Mitsubishi 1800GDI. Vantastic 40,000 miles Jersey Girl |
#3
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just ice
Probably jsut ice and snow built up in the rims. It dosnt take much to unbalance the tires at 70mph. Especially more likely if you were out having some fun
phil
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~Phil Teal 1992 Subaru SVX Turbo - Sold in May 2011 to peace-frog. |
#4
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Larry, I described this very thing in another thread, after I had done some "spirited" driving in some deep snow. I'd almost (notice, I said "almost") gurantee it's some snow/ice build-up on the inside of the rim. No worries.
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Randy Johnson 3rd Registered Member 02-21-2001 First Member to Reach 10,000 Posts First to arrive at the very first Reading Meet Subaru Ambassador 1992 SVX PPG Pace Car Replica 110+k 1993 White Impreza L 240+K miles 2001 Legacy Outback Limited Sedan 250+K miles 2013 Deep Indigo Pearl Legacy 3.6R 49+K miles "Reading is my favorite Holiday" Mike Davis -- at Reading VI |
#5
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I've never had as bad a case of vibration as that! I've had snow/ice on my wheels before but if it was enough to cause vibration the vibration (or centrifical force) itself was enough to dislodge the snow/ice and stop the shaking.
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David B. SVXipedia @ SVX-IW.COM -- SVX Information Warehouse 2.0 coming...eventually! Ebony 1992 SVX LS-L 5 spd Koni/GC Stebro 187k miles RIP (Rust In Pieces) 1993 SVX 5 spd Koni/GC Stebro Polyurethane bushings still available! |
#6
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Quote:
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Randy Johnson 3rd Registered Member 02-21-2001 First Member to Reach 10,000 Posts First to arrive at the very first Reading Meet Subaru Ambassador 1992 SVX PPG Pace Car Replica 110+k 1993 White Impreza L 240+K miles 2001 Legacy Outback Limited Sedan 250+K miles 2013 Deep Indigo Pearl Legacy 3.6R 49+K miles "Reading is my favorite Holiday" Mike Davis -- at Reading VI |
#7
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Quote:
Larry: "Officer, I was doin' 110 because I was tryin' to clear the slush out from inside the rims". "If it sticks there, the car shimmys at 85". Trooper: "Oh". "Then you're free to go Mr. Singer, & please try not to run into any other cars when you're forced into performing this obviously beneficial manuever". Alarm clock: RRRIIIIINNNNGGG!!!! Ron(Zzzzzzz).
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Good s**t happened. 69 was worth the wait. '92 stock semi-pristine ebony - 160K '96 Grand Caravan - 240K '01 Miata SE - 79K '07 Chrysler Pacifica - 60k - future money pit. |
#8
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Just throwing my agreement in with the others. Definitely snow packed into the rims. Happened to me all the time with my Trooper after some spirited winter 4-wheeling.
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Pearl '92 LS-L 179K (Historic 1st 5-speed SVX) Mods: 5-speed, 4.11's, Group-N motor mounts, dual Magnaflows, cone air filter, Kenwood MP-228 CD/Receiver, white-faced gauges, '97 grill, custom window tinting. Ebony Mica '92 LS 80K Oct 2002 - Dec 2004: Victim of theft. She served me well. You can tell the lack of craftsmanship by the wrinkles in the duct tape. |
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