Tyre Wear - 1992 AStra SRi estate

Honest John Back Room » Technical matters
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Tue 27 Mar 2007 12:12
Tyre Wear - 1992 AStra SRi estate - wbd
My 1992 AStra SRi estate (186k miles) pulls to the left, has wheel vibration at 72-76mph and wears the front tyres on the inner edges. In spite repeated balancings and wheel alignments these conditions persist.

Any ideas anyone?

Brian
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Tue 27 Mar 2007 12:20
Tyre Wear - DP
At that mileage I'd be suspecting bush wear or track rod ends. It could be that a weak bush or balljoint is giving "correct" alignment at rest, but at speed when there are more forces at work, play is allowing the wheel to move in relation to the steering input. The Sierras used to do this when the TCA bushes started to go. The alignment only "went out" at speed.

Check the track rod end balljoints, bottom balljoints and the any easily accessible rubber bushes for play or damage.

Cheers
DP
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Thu 29 Mar 2007 14:40
Tyre Wear - wbd
Thanks DP

I appreciate that these problems pass the MOT until they become extreme.
Regards
Brian
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Thu 29 Mar 2007 18:03
Tyre Wear - bell boy
as a further thought these cars had the difficult to undo track rod ends
consider that the tracking was not done properly./ever
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Thu 29 Mar 2007 23:33
Tyre Wear - Number_Cruncher
>>as a further thought these cars had the difficult to undo track rod ends

Yes, the best way to deal with them is to seperate the joint, and undo the track rods from the steering rack, and free the adjusters off in a vice before you start. If you have a decent ball joint splitter, this is only 10 minutes work, and it makes setting the tracking much easier.

Number_Cruncher
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