Steering issue at highway speeds
- Thread starter Bad_Pritt
- Start date
So looked for the no2 rubber you spoke of, sadly as 2.0 slugs are not deemed worthy of that. Is That good news or bad I wonder 
1066 Country
You should also try driving a //M. Spent a fortune on all of the above on my old 3.0 which sorted loads out, yet the first drive with the //m’s hydrologic steering is a revelation.
Have come to the conclusion you can get the elec version quite well sorted with time & money, though there’s no substitute for hydrolics
Have come to the conclusion you can get the elec version quite well sorted with time & money, though there’s no substitute for hydrolics
If all the parts are fitted properly and in good condition, then your problem is likely to be the geometry causing the issue.
If the front -ve camber has been increased (pulling the pins on the front top mounts) then this will make bump steer more likely. Likewise, if you have any amount of toe out (adjusted on the tie rods) this will make the steering very twitchy indeed. Hope this helps.
If the front -ve camber has been increased (pulling the pins on the front top mounts) then this will make bump steer more likely. Likewise, if you have any amount of toe out (adjusted on the tie rods) this will make the steering very twitchy indeed. Hope this helps.
Vis a vis toe in/out situation I wonder if I had it set toe in a bit it might stop the twitchy ness a bit?
road warrior said:
If you have toe-in, when the steering is set to drive straight ahead, then both the front wheels are set to roll to a point which converges at some place in front of the car, which might be as far away as infinity. However, if you have toe-out, then the front wheels are set to roll divergently, and both wheels are trying to turn away from each other in opposite directions, and the moment the steering is turned in either direction, the inside wheel is already on a turning path, which makes the car change direction instantly. Therefore, increasing toe-in makes the car inherently more stable for driving straight ahead but adds "scrub" to the tyres which increases rolling resistance and tyre wear but you don't want toe-out on a road car.
I'm also experiencing this problem, intermittently though. When I first got the car I noticed this immediately driving home on the M5 but then for the first 2 or 3 weeks it was in and out of the dealership to sort some other little things so never got the time to get around it. As soon as I had the opportunity to drive it on the motorway again I made sure the tire pressure was right and one thing I noticed was that the left side had less 0.5 bar (was at 1.5). Pumped both tyres up to 2.0 and the problem seemed to go away. Could easily go up to 100mph without any play on the steering wheel. A couple of days later though, back on the motorway the problem seemed to have returned. Checked tire pressure again and the left tire had lost 0.2 bars. This was in the space of a week. Please bear in mind that I haven`t yet done any work on the front suspension, not even balancing or alignment, and the tires on the car seem to be a budget brand, although fairly new. My question is, would such a small variation in tire pressure be enough to cause this issue? Also, is this a normal loss of pressure in such a short period of time or could I be looking at a small puncture?
Doesn't seem like a normal loss of pressure at all, these are sportscars and should be able to take some abuse. Quality of tyres obviously will always affect quality of the ride. But you should also look at how the tyres are worn because that could be an indication of bad balancing of tyres and or bad alignment. Never a bad idea to have both of those checked out as that's relatively cheap as well.