Twitchy rear end
#1
Twitchy rear end
A few weeks ago, I changed my nearside rear tyre as it was nearing the limit. I currently run f1 eagles on all four corners; since then whenever I'm on the motorway and i decelerate or accelerate, the rear end doesnt run true and the car twitches. (Its really nerve-wracking especially when taking long bends at those sort of speeds) Now this has usually happened in the past when tyre pressures were not at 32psi, and I have checked this. I have balanced the rear tyres (25 and 15 respectively) so its not that. I did jack up the rear on the diff, and noticed that the inside of the rear driver wheel was bouncing up and down. I'm assuming this means a buckled wheel? I also tend to hear knocking / plonk sounds from the rear when going over potholes or over speed bumps as well. I've got some time on a mechanics ramp on saturday so would really like to fix the issue then. Is there anything I can do between now and then to check what the issue is, and purchase parts in preparation?
#4
Registered User
Unless the treads are similar, its going to feel really weird. Change the other rear too and see how you get on. I think they would have noticed if a wheel was bent when they balanced it.
Checked your geo recently? Could be out and the new tyre is just amplifying it.
Another thought, but I think there are a couple of different 'versions' of the F1 as well for different load-ratings. Did you get the same version?
Checked your geo recently? Could be out and the new tyre is just amplifying it.
Another thought, but I think there are a couple of different 'versions' of the F1 as well for different load-ratings. Did you get the same version?
#5
#6
Really? I changed the driver side tyres back in September before megameet. There's loads of tread on that tyre. I didn't have this issue back in September when changing the driver side rear. Only came about when changing the passenger side rear.
#7
Registered User
Without wanting to trach you to suck eggs, the car is rear wheel drive, best do rear tyres in pairs.
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#8
I would check tyre pressures / wheel alignment / geo / binding brake / possibly diff fluid.
#9
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As others have said and I agree its most likely the fact you didn't replace both tyres on the rear axle. This is one of the ten commandments of rear wheel drive ownership and maintenence
#10
I had similar thread recently when changing tyres(I did all four though) and now done more miles it is better but still seems to be a bit like yours, on/off throttle on bends unsettles it, going to get the geo checked since maybe more tread is amplifying the effects of misalignment?