T

TCubed

Active Member
Hello,

Took my Rangie out on the A roads today, and as I accelerated up to 50mph there was a vibration/wobble through the wheel. Soon it vanished. I accelerated and decelerated a bit to try and replicate the conditions but nothing further happened.. Explain?? (The road surface was smooth) [DHSE Auto]
 
Stop lying about smooth roads in this septic Isle! Possibly something stuck in tyres/brake/hub that got shook out at speed. Has you Rangie stood for a while? Cos if it has it could just be the tyres getting back to round again-it happened to me me with an elderly Jaguar and it was quite nasty
 
davef2901 said:
Stop lying about smooth roads in this septic Isle! Possibly something stuck in tyres/brake/hub that got shook out at speed. Has you Rangie stood for a while? Cos if it has it could just be the tyres getting back to round again-it happened to me me with an elderly Jaguar and it was quite nasty
Click to expand...

I've never heard of that happening, but yes it had stood for a few days? High-tech modern car though.. Is that likely?

Yeah I thought it might be a wheel weight had come off since there are none of the front offside, but that doesn't seem to explain the cessation of the rattle?
 
now come on ffs is it a rattle or a vibration?? a rattle could be anything from an exhaust heatsheild to the engine about to fall out,more than likley tho is the propshaft u/js when were they last greased?
 
Hi tech modern tyres-yep, gravity affects us all, it really only shows after weeks tho (the old Jag had stood for 3 months and it felt like the front suspension was coming off!!). If it was a rattle that stopped, it's fell off. Look for what's missing or a shiny bit under the Rangie
 
davef2901 said:
Hi tech modern tyres-yep, gravity affects us all, it really only shows after weeks tho (the old Jag had stood for 3 months and it felt like the front suspension was coming off!!). If it was a rattle that stopped, it's fell off. Look for what's missing or a shiny bit under the Rangie
Click to expand...

Although I don't think this is what I had, I'm interested in it: is it that the tyres deform so aren't circular so bump along?

I'm sorry I called it a rattle. It was a vibration/wobble that came through the steering wheel. The best way I can describe it would be like driving down a very rough track and the steering wobbling accordingly.
 
Modern steel belted tires can get flat spots from sitting in one place for to long
how long that is I dont know but best to move them on a weekly basis.
I occationally get a wobble through the wheel it takes a particular circumstance to set it off like one blemish in the road surface not far from here it lasts about 10 seconds and then settles down and its only very slight. I have however given up trying to find the reason as most of the geometry at the front is new. The p38 is very techy regards tires
/treads so I have learned here on L/Z.
 
davef2901 said:
Pete38 brought up a good point there, are you on 18" wheels, cos they are horrible from half worn?
Click to expand...

Second that, i always buy 2 new tires & fit on front - half worn goes rear that way i find it most economic & the tail isn't too bothered
 
TCubed said:
Hello,

Took my Rangie out on the A roads today, and as I accelerated up to 50mph there was a vibration/wobble through the wheel. Soon it vanished. I accelerated and decelerated a bit to try and replicate the conditions but nothing further happened.. Explain?? (The road surface was smooth) [DHSE Auto]
Click to expand...

Most likely thrown a weight on the front wheel. When you have them balanced a lot of fitters dont realise the weights should also go on the outer edge of the wheel not the just the inside. I've even had idiots try to stick those square lead weights on mine before.

Between 50mph -60mph the P38 is most susceptible to wobble caused by wheel imbalance. If you accelerate hard through this speed and it doesnt wobble and if you gently accelerate to this speed and it does, it's likely to be a wheel weight. Go get them balanced, and see if it makes a difference for the price its usually a cheap fix, and it can only do good. If its something like 5g-10g you will have trouble replicating the wobble but the wobble will return nontheless every so often.

Also, if you have L322 Alloys (you can tell from the 22mm bolts) ensure you have spigot rings fitted as the vibration could be a sign your wheels aren't centering which will lead to hub failure. If you have P38 wheels disregard.
 
Last edited:
aerofabrique said:
Most likely thrown a weight on the front wheel. When you have them balanced a lot of fitters dont realise the weights should also go on the outer edge of the wheel not the just the inside. I've even had idiots try to stick those square lead weights on mine before.

Between 50mph -60mph the P38 is most susceptible to wobble caused by wheel imbalance. If you accelerate hard through this speed and it doesnt wobble and if you gently accelerate to this speed and it does, it's likely to be a wheel weight. Go get them balanced, and see if it makes a difference for the price its usually a cheap fix, and it can only do good. If its something like 5g-10g you will have trouble replicating the wobble but the wobble will return nontheless every so often.

Also, if you have L322 Alloys (you can tell from the 22mm bolts) ensure you have spigot rings fitted as the vibration could be a sign your wheels aren't centering which will lead to hub failure. If you have P38 wheels disregard.
Click to expand...

I have P38 alloys I think.
There is no weight on the front offside wheel, should there be? I would check the others but 2 are in a hedge.. Will do that later.
 
TCubed said:
I have P38 alloys I think.
There is no weight on the front offside wheel, should there be? I would check the others but 2 are in a hedge.. Will do that later.
Click to expand...

Vibration might go if you pull them out the hedge and put them on the car?

Poor attempt...

check as they may have them on the inner rim of each wheel, but you will never know if you've lost one until they're rebalanced.
 
aerofabrique said:
Vibration might go if you pull them out the hedge and put them on the car?

Poor attempt...

check as they may have them on the inner rim of each wheel, but you will never know if you've lost one until they're rebalanced.
Click to expand...

OK, to clarify, they're on the wheels (I assume). The wheels which are attached to the car. The car whose port side is in a hedge :)

How are wheels balanced out of interest?
 
You can google it for a more comprehensive answer...

Its not the wheels but the tyres that are balanced. The weight of the rubber isn't perfectly distributed around the tyre so counter weights are added. The wheels are spun up to a speed and computers tell the fitter how much counter weight is needed to balance
 
Of all the things I did trying to cure my wobble / death wander, it was the two cheapest and easiest fixes that made the most difference - a new steering damper, and adjusting the play out of the steering box.
 
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