Steering wheel vibration

[sexzila]

Steering wheel vibration

Hi guys, I wonder if any of you had the same problem as what I am experiencing at the moment?

My steering wheel vibrates as soon as it hits 100km/h.

I have done wheel balance and wheel alignment.

My front brake pads are new.

I have noticed that depending on the road surface Freeway I can drive up to a 120km/h and nothing will take affect. Also I have noticed this happens when I accelerate suddenly.

But when I do it progressively the vibrations are not there or are very small.

Mainly the sped is around 100 when it happens.

Is there anything in particular that I am missing that I haven’t thought of? Wy is his happening?

Thanks

al

[ferni]

Sounds like it needs a wheel balance - maybe the place you took it to did a dodgy one... are you sure htey did a wheel balance and not just a wheel alignment?

[sexzila]

The reason for this post is, I have taken the car to two places for balance and alignment.

And after all that same problem.

[ferni]

Wierd - did they test drive the car? did you tell them about this vibration? they'd probably be better to ask.

[sexzila]

Wierd - did they test drive the car? did you tell them about this vibration? they'd probably be better to ask.

Yes,

They just tell me their people know what they are doing.

Even the other place didn't charge me full price as the wheels were balanced 110%

They have no idea about why this is......

help

[R31 POWER]

I had the same probs you have.The car came with crap 17 inch chromes on and they made steering really wobbly.When I got new tyres put on and went to pick them up the guy marked 2 of the rims front and the other 2 rear.2 of them had buckles so they went on the rear and it was alot nicer to drive.Before it was bullshit at speeds around 100+kph

Now I have Volks on and they are a dream!!200+kph on a track with no wobbles.

So maybe you have slight buckled rim/rims on the front maybe?

[predator]

did they check the bushes on the car? did they check the steering rack?

[Jax]

You can get same problem with out-of-balance drive shafts.,worn CV joints or Universals., Can feel exactly the same as Wheel balance.

[R33S2]

I had the same problem with mine, 4 wheel balances and each time it came back! I finally found out that the tyres were really old ( the numbers are on the tyre and he could figure what they mean) and was told that they had probably sat for a long time in the same position thus making them out of shape.

[sexzila]

There is a few interesting theories here, thank you guys

[Sydneykid]

When they check the balance they should check the out of round, both rims and tyres.

What sort of car is this?

If it it GTST, then steering wheel vibration can't be drive shafts, tailshaft,

[Jax]

Don't bet your next year's salary on that!!

[sexzila]

The Car is R33 GTST

[Sydneykid]

The Car is R33 GTST

It will be one or more of the usual problems;

1. Out of balance tyres (are they balanced inner and outer? Or just one set of weights?)

2. Out of round tyres (easy to check on the balancer)

3. Out of centre wheels (do they lock securely over the hub centre?)

4. Out of round wheels (how is the run out on the inner and outer rims?)

5. Out of balance brake rotors (unusual, but does happen)

6. Worn wheel bearings (jack it up and check the movement, in and out top and bottom)

7. Worn radius rod bushes (you can see it, the rubber is torn and fluid leaking)

After that it gets obscure, eg; worn shocks can cause vibration after hitting a bump.

[predator]

just for the record: mine is number 7 and a few other worn things, which are getting replaced in about 2 weeks time. Should make it a totally different car to drive (and already I thought it was so much nicer than the R33 )

[Kor'axis]

i got same problem. REcently, they tighten the lower steering and did a wheels alignment. Most of the shake is gone but some is still there. Thinking of getting new shocks. I will check the brake rotors aswell.

[sexzila]

Just put the new rotors in and the vibration is almost gone.

I Should have just machined my front rotors but few places told me they were under size.

That turned out to be crap as when I took them off they were 29mm.

So in conclusion I spent $430 on front rotors and I didn't have to. But now the problem is gone.

But for how loong as the rotors bed in to the pads ,we'll see!

What is lower steering?

[sexzila]

It will be one or more of the usual problems;

1. Out of balance tyres (are they balanced inner and outer?  Or just one set of weights?)

2. Out of round tyres (easy to check on the balancer)

3. Out of centre wheels (do they lock securely over the hub centre?)

4. Out of round wheels (how is the run out on the inner and outer rims?)

5. Out of balance brake rotors (unusual, but does happen)

6. Worn wheel bearings (jack it up and check the movement, in and out top and bottom)

7. Worn radius rod bushes (you can see it, the rubber is torn and fluid leaking)

After that it gets obscure, eg; worn shocks can cause vibration after hitting a bump.

Checked all of the above. Everything is positive.

Just changed new DBA rotors and machined my rears and the problem is almost gone. Still a bit of vibration evident. Only done 20km , will see what happens in the near future....

Al

[Kor'axis]

Front right lower sleering *ARM*

--sorry about that!