Front inner tyre wear - Down to Knackered Wishbones? bushes - Alfa Romeo Forum
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Front inner tyre wear - Down to Knackered Wishbones? bushes

Following the fitting of new tyres, I took my Brera for 4 wheel laser lignment.

Barely half an hour later the car was back of the ramps and i was told that the upper front wish bone bushes were knacked and needed replaced inorder to do a proper alignment.

If I understood things properly, the worn bushes cause the wheels to toe out under braking causing the inner front tyre wear. (The guys are Specialists with race experience - No Kwik Fit nonsense).

(There are loads of posts regarding inner front tyre wear but little mention of any solutions - Perhaps this is one to consider).

Short of buying a pair of new alfa wishbones, does anyone know of a manufacturer that makes replacement polyurathane bushes. Looking at sites like Powerflex, it looks as if you need a 10 year old car before they make them, so the Brera / 159 isn't on the radar unless any of you know of something available in italy or anyone who makes up specials??????

Can anyone offer any suggestions before I cough up for a set of new standard wishbones, only for them to knacker up in a year and do in another set of tyres.
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Obviously if the wishbones are worn then they need replacing first.
Same as every other car.

FYI, checking ePer, there have already been four versions of the upper wishbones of the 159/Brera...
Probably worth getting the latest OEM spec.

and then make sure the front tracking is set to 0mm toe.
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Originally Posted by TheDocchopper View Post

(There are loads of posts regarding inner front tyre wear but little mention of any solutions - Perhaps this is one to consider).
I haven't read any threads on this issue before (and this is a very quick reply without me having done a search, so apologies if its been mentioned elsewhere, or sounds completely stupid!), but I had a bit of a shock with inner tyre wear when I had a puncture in one of the fronts on the GT last year.

When the guy at the garage took them off, both were massively worn on the inside (and completely illegal). I explained it to a mate, and he reckons it's the way I straddle those bloody square-shaped speed humps they have on the roads, especially here in Manchester(although my rears seems to be OK, so make of that what you will).

So, it's either straddle the speed bumps and wear out my tyres, or slow down a bit and put one side over the hump completely (trying to alternate sides if I can remember) and knackering my suspension instead.

(You may have realised that I'm not very automotively technically literate by the way, so I may just well have made a complete berk of myself with that ridiculous explanation. Feel free to point and laugh guys... )

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Indeed, I have the markIV wishbones and markIII bonnet catch!
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Put one side of the cars over the speed cushions. Straddling them can cause suspension damage, tyre damage and can damage the sump and exhaust on very low cars. One bloke even had a speed cushion unscrew his sump plug, leading to a complete loss of oil!

Polyflex bushes can change the firmness of the suspension (there are several grades) and are susceptible to heat damage. I've been through several sets on the TVR but would stick to standard bushes on a regular use car. I believe Superflex are better than Polyflex but I could be wrong, can never remember which is which.

Ian A.
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I am starting to make a bit of headway on this. The 159 / Brera doesn't appear to be old enough to have polybush or supeflex make anything for it. They tell me it would be at least 6 months down the line before they would look at it and they would need the suspension parts to take a look.

Short of Genuine parts, TRW make complete upper arms for it which come recommended and ain't bottom Dollar rubbish.

Does anyone know how there have been various versions of the arm made? Presumably the kit isn't as "belt and braces" as they made out.
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bushes , front , knackered , tyre , wear , wishbones

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