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Old 20th February 2020, 20:36   #1
andrewl
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Default Very extreme rear tyre wear

Hi

I recently acquired a zt-t that he been off the road for several years. I gave it a full service and changed the tyres, discs and pads and it went through the MOT OK. However I noticed whilst driving the back end felt a bit skittish when going over manholes /bumps etc. I thought maybe the brakes binding or something like that but no. I went over some mud in road and it felt very unstable at the back even at slow speeds. Something I’ve never felt in any other car. So I know something is not quite right! I took it back to the garage and got the 4 wheels aligned. But they said they were only able to adjust the fronts. I can’t quite remember why they couldn’t do the back but they said it couldn’t be done. Fast forward a couple of months and about 1000 miles and both rear tyres are very close the legal limit on the outer edges. Inside edges are a bit better but still worn a lot. Front tyres are still like new. I’ve attached the two print outs from the alignment.

Any thoughts? I searched and saw a common issue is the bearing not being seated correctly. Would this still be an issue after the alignment. Can the rear toe be adjusted?

Thanks


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Old 20th February 2020, 21:26   #2
meterman66
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I have the same tyre wear and skittishness from the rear over potholes/uneven roads on my 2004 connie......

I'm following with interest as if I recall rear toe in / out can be adjusted but not camber......

My tyres where down to the cords on the inner edge!!

I did have a broken rear coil spring (now replaced) car has passed MOT still twitchy at the back tho???

Cheers Col
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Old 20th February 2020, 21:33   #3
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My ZT is a saloon, and mine is also twitchy at the back.
I've paid lots of attention to posts about rusty rotten rear top arms, but mine appear to be ok at the moment, just surface rust.

I am considering getting the whole lot changed as I intend to use the car for towing this summer.
I hope it's something that can be sorted out as it spoils what is a very good car otherwise.
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Old 20th February 2020, 21:34   #4
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The rears can be adjusted and yours sound as if they are miles out.

Lots of info on how to do it in the How-To section of the forum.---
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Old 20th February 2020, 21:41   #5
meterman66
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HI

Any recommendations for 4 wheel alignment centres near Coventry/Solihull that actually make adjustments to the rear?? been ripped off in the past!!

Thanks
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Old 20th February 2020, 21:45   #6
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Quote:
Originally Posted by andrewl View Post
Hi

I recently acquired a zt-t that he been off the road for several years. I gave it a full service and changed the tyres, discs and pads and it went through the MOT OK. However I noticed whilst driving the back end felt a bit skittish when going over manholes /bumps etc. I thought maybe the brakes binding or something like that but no. I went over some mud in road and it felt very unstable at the back even at slow speeds. Something I’ve never felt in any other car. So I know something is not quite right! I took it back to the garage and got the 4 wheels aligned. But they said they were only able to adjust the fronts. I can’t quite remember why they couldn’t do the back but they said it couldn’t be done. Fast forward a couple of months and about 1000 miles and both rear tyres are very close the legal limit on the outer edges. Inside edges are a bit better but still worn a lot. Front tyres are still like new. I’ve attached the two print outs from the alignment.

Any thoughts? I searched and saw a common issue is the bearing not being seated correctly. Would this still be an issue after the alignment. Can the rear toe be adjusted?

Thanks


Let me check tomorrow and I will get back to you about rear adjustment, sure there have a play with I was done on mine, around ten o'clock I will try post
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Old 20th February 2020, 21:49   #7
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BOZZ. Your post is too wide to be read.---
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Old 20th February 2020, 21:49   #8
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I'd be very interested if someone know's of a quality 4 wheel alignment place as well please.
I've just had the top mount, the bottom arm and bush and the drop link replaced on my ZT, and it's pulling to the left quite bad, and the steering wheel is now off centre which really annoys me!
I wouldn't mind travelling if someone knows a place who takes their time and does the job right!
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Old 20th February 2020, 21:51   #9
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The rears are adjustable, But only on Toe in Toe Out.

If they say they can't be adjusted Take it somewhere who knows what they are doing.
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Old 20th February 2020, 22:15   #10
coolguy
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Never had any skittishness from the rear on any of my 75s or ZTs, BUT the Tourer certainly wears rear tyres out at an alarming rate! The nearside is always the quickest to wear. I have owned this car for over 10 years, and several others on this Forum have made similar comments.
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