steeringwheel shakes?
Thread Starter
Intermediate
Joined: Aug 2008
Posts: 46
Likes: 0
steeringwheel shakes?
just got new rims and tires put on my c6 never had a problem with the steeringb4 installing the rims and wheels. they were mounted and balanced by a performace shop. Now when i start getting up to speed on the highway 75+mph the steeringwheel shakes. do i need an alinement?? I dont understand why i would need one if the stearing was fine prior and the tires and wheels are brand new and balanced??
Race Director
Joined: Jan 2005
Posts: 10,924
Likes: 853
From: Daytona Beach FL
What kind of wheels did you put on???
Was it another set of OE wheels, or was it a set of aftermarket wheels???
Here's a picture of the inside of an OE wheel:
You can see that around the lug holes there are countersunk recesses.
When the car comes down the assembly line they slide the rotors onto the lugs, and to hold them on until it gets the brake calipers installed, they put Tinnerman nuts (a flat retaining nut) over a couple of lugs to hold the rotor in place as it goes down the line. Here's a picture of a rotor with the Tinnerman nuts:
Many aftermarket wheels don't have those countersunk areas on the inside around the lug holes, so if the Tinnerman nuts are still on there the wheel won't mate up flush with the hub. If that's the case, then no amount of perfectly balancing with the wheel off the car will solve the problem.
So.....it may not be your problem at all, but if you've got aftermarket wheels it's worth checking to make sure those Tinnerman rotor retention nuts have been removed.
Bob
Last edited by BEZ06; Oct 5, 2009 at 04:51 PM.
Instructor
Joined: Apr 2009
Posts: 193
Likes: 1
just got new rims and tires put on my c6 never had a problem with the steeringb4 installing the rims and wheels. they were mounted and balanced by a performace shop. Now when i start getting up to speed on the highway 75+mph the steeringwheel shakes. do i need an alinement?? I dont understand why i would need one if the stearing was fine prior and the tires and wheels are brand new and balanced??
i am not trying to be negative and hope yours is a simple fix but just be prepared to have them check everything. normal balancing probably will not fix the problem. the balance machine can read "zero" and you can still have the problem if the wheel is bad. i would tend to think it is the wheel more than anything else. you can have them check the vertical and lateral run out. neither should be out more than .020.. if it is that wheel should be replaced.
the tires and wheels are never perfectly round. it is a question of them being at acceptable levels, getting an experienced tech with patience and access to good equipment. dont give up and it is not your allignment.
of all my mods. this by far was the most trouble of them all.
hang in there...
Drifting
Joined: Apr 2009
Posts: 1,307
Likes: 26
From: Miami
I am on board with saying it's the tinnerman nuts but If that doesn't take it away then I would go to a shop with a hunter road force machine.
In Miami most shops (tire/mechanics) would rather try to convince you that it doesn't need it/ argue with you for an hour rather than take the 15 min to re-do something.
Part of the problem with the economy.
Just speaking for some not all
In Miami most shops (tire/mechanics) would rather try to convince you that it doesn't need it/ argue with you for an hour rather than take the 15 min to re-do something.
Part of the problem with the economy.
Just speaking for some not all
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Thread Starter
Intermediate
Joined: Aug 2008
Posts: 46
Likes: 0
the wheels are Ace Alloy Zr-1 machine face 18x9.5 19x 11
the tires are toyo R888 275's and 305's
the shop called me and they are calling me back today to make an appointment to fix problem.
Its most likely the front pass wheel , when i left it was late on a friday night and the tpsm system went off after 10 min of driving car home from shop. I pulled into a gas station to get air and only had 16psi left in the tire. After filling the tire i noticed the valve stem was very loose and i had turned it clockwise to tighten it, thats were the air was leaking out from. My guess it was late on a friday night and they had rushed to get job done and forgot 2 balance the one tire and tighten valve stem properly. Im not that pissed off..., we are all human and make mistakes, i just want it fixed thats all.
the tires are toyo R888 275's and 305's
the shop called me and they are calling me back today to make an appointment to fix problem.
Its most likely the front pass wheel , when i left it was late on a friday night and the tpsm system went off after 10 min of driving car home from shop. I pulled into a gas station to get air and only had 16psi left in the tire. After filling the tire i noticed the valve stem was very loose and i had turned it clockwise to tighten it, thats were the air was leaking out from. My guess it was late on a friday night and they had rushed to get job done and forgot 2 balance the one tire and tighten valve stem properly. Im not that pissed off..., we are all human and make mistakes, i just want it fixed thats all.
Drifting
Joined: Apr 2009
Posts: 1,307
Likes: 26
From: Miami
Good attitude man. What frustrates me is that they weren't too tired to aply the Vette tax and collect. Now you have to waste time out of your schedule, leave unhappy and post on the net..etc. Then they say we will get back with you to make an apointment to fix it we are busy "taking care" of clients.
I don't know the shop(or care), this is bigger than that. Spending money and leaving happy is priceless!
I don't know the shop(or care), this is bigger than that. Spending money and leaving happy is priceless!
Race Director
Joined: Sep 2007
Posts: 16,557
Likes: 2,106
From: Peoria/Phoenix AZ
C6 of Year Finalist (performance mods) 2019
Good attitude man. What frustrates me is that they weren't too tired to aply the Vette tax and collect. Now you have to waste time out of your schedule, leave unhappy and post on the net..etc. Then they say we will get back with you to make an apointment to fix it we are busy "taking care" of clients.
I don't know the shop(or care), this is bigger than that. Spending money and leaving happy is priceless!
I don't know the shop(or care), this is bigger than that. Spending money and leaving happy is priceless!
Race Director
Joined: Aug 2008
Posts: 14,079
Likes: 1,591
From: Edmond Oklahoma
What kind of wheels did you put on???
Was it another set of OE wheels, or was it a set of aftermarket wheels???
Here's a picture of the inside of an OE wheel:
You can see that around the lug holes there are countersunk recesses.
When the car comes down the assembly line they slide the rotors onto the lugs, and to hold them on until it gets the brake calipers installed, they put Tinnerman nuts (a flat retaining nut) over a couple of lugs to hold the rotor in place as it goes down the line. Here's a picture of a rotor with the Tinnerman nuts:
Many aftermarket wheels don't have those countersunk areas on the inside around the lug holes, so if the Tinnerman nuts are still on there the wheel won't mate up flush with the hub. If that's the case, then no amount of perfectly balancing with the wheel off the car will solve the problem.
So.....it may not be your problem at all, but if you've got aftermarket wheels it's worth checking to make sure those Tinnerman rotor retention nuts have been removed.
Bob