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Impossible question on steering wheel shimmy

terrykrueger

Well-known member
Joined
Sep 12, 2003
Messages
54
Location
MKE
Corvette
1987 Not a Sh*tbox anymore
I say impossible because of course you can't diagnose an entire system from a 30 word description, but I thought maybe I could get some pointers in the right direction. Sometimes at speeds >35 <105 I get a back and forth in the wheel like a tire out of balanced. I had them balanced and rotated, but exactly the same. Got it up on jacks and can't seem to find any looseness in the front end. I keep thinking wheel bearings but it seemed tight. Any thoughts?
 

G Winter

Well-known member
Joined
Aug 21, 2004
Messages
2,177
Location
NW Iowa
Corvette
1990 red convert 6 sp
Have you checked the rotors for warpage ? I assume you are describing a wobble in the wheel. What does it feel like when you step on the brake ?

Glenn
:w
 

wishuwerehere82

Well-known member
Joined
Sep 6, 2003
Messages
2,314
Location
Rochester, NY
Corvette
Red '82 Coupe,Sebring Silver '98 Coupe
Tires...
They're not really balanced until they're ROADFORCE balanced.
http://www.gsp9700.com/
Most tire shops will leave a set of used tires balanced worse than you had.
This wonderful machine can balance them perfectly. Then you won't wonder if it's the tires or not. It will detect bent wheels, hard spots in the tread, and mate them to pefection.
Read the description of how it works, and use the locator to find a shop in your area. Well worth the time and money.
 
S

speedmaster4

Guest
worn tie rod ends would be first GUESS.

slight tread wear that has produced ''cupping'' of the tire tread edges can also cause ''steering wheel shake''...tire shop that did your balancing SHOULD have noticed if cupping is present, maybe didn't, or is playing for more service bucks...if tread cupping is present, ''very well equipped'' tire shops can ''shave'' the tire tread to make it round again, albeit at loss of rubber/ tire life.

it is common for high perf tires to ''flat spot'' after only a short period of sitting,perhaps only a day or two, and this often takes 5-10 miles of 40-50 mph driving to lose the flat spot...extended storage periods can permanently ''flat spot'' a tire.

would strongly advise against any more ~105 mph shots until the prob is cured.
 

terrykrueger

Well-known member
Joined
Sep 12, 2003
Messages
54
Location
MKE
Corvette
1987 Not a Sh*tbox anymore
Aw man I am kicking myself. It was Wally World tire center that did the balancing.
 

gmjunkie

Well-known member
Joined
Nov 11, 2004
Messages
4,547
Location
Old Fort NC/Vero Beach FL
Corvette
03 Z-51,78 L82 Coupe
Tires...
They're not really balanced until they're ROADFORCE balanced.
http://www.gsp9700.com/
Most tire shops will leave a set of used tires balanced worse than you had.
This wonderful machine can balance them perfectly. Then you won't wonder if it's the tires or not. It will detect bent wheels, hard spots in the tread, and mate them to pefection.
Read the description of how it works, and use the locator to find a shop in your area. Well worth the time and money.
I'm with Pete here!!!Road Force Balancing has saved me $1000's in time and $ chasing Vibrations in cars I'm getting ready for resale!!
:upthumbs:upthumbs
 

c4cruiser

Well-known member
Joined
Feb 22, 2002
Messages
971
Location
Lacey, WA USA
Corvette
87 Gold Z52 Coupe 02 EB Z51 Supercharged Coupe
I would be looking for tread separation too. Mount each wheel on the same front side and spin it. You can fab up a simple runout gauge by clamping a heavy wire (coat hanger) to the wheelwell and have it just touch the tire tread. Spin each wheel in turn and see if there is any contact.
 

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