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Discussion Starter · #1 ·
Can anyone comment on the following please? My rear tyres shredded on the inside corners after only 6000 miles. Investigation by a third party is suggesting that the the rear tracker arms have been allowed to shift after being set up because the wrong sort of nuts are fitted to the arms. Basically the tracking is set up and then moves causing excessive wear prematurely. These were the nuts fitted to the car at build. Has anyone else come across this issue and if so, what was the outcome please? Many thanks
 

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Can you let us know what model and year you have? I've not heard of this issue before and it would be good to pin it down if poss.
 

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Discussion Starter · #3 ·
Captiva LTZ, 2010 plate. Manual 5 speed.




I have a photo of the tracker arm adjusting nut fitted. How do I attach photo to this thread? Thanks
 

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You need to host the photo on the net- photobucket or similar, and then link it using the direct link url from the hosting site. Use the full reply to thread rather than quick reply for the photo url icon.


Hope that makes sense!
 

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Discussion Starter · #6 ·
Photos of one of the tyres and what I believe to be the tracker arm adjusting nuts -
http://s1071.photobucket.com/albums/u516/Eastsidetiff/



Edited by: Eastsidetiff
 

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Have seen somewhere on the internet someone complaining they could not set the tracking on a Captiva, cant remenber where.





As for the pic of the nut, looks ok to me, but unsure what we are looking for.





As fr h uneven wear how the **** did you leave it get that bad. Dont you ever check your tyres.
 

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Eastsidetiff- from what I can see in the picks, the bolts seem to have moved outwards, away from the centreline of the car, so there may be something in what you say. I think it's much more likely that these tyres have been on the front, worn on the inside edges (that's quite common) and have been stuck on the back and forgotten about. The bolt you show is adjustable to allow the camber of the rears to be changed, but my tracking guy looked at mine and said there wasn't the range of adjustment required to make any significant change and in his opinion, and I trust his judgement, that adjustments were so small that they were a waste of time. It might be worth having tjhe car optiflexed and rotating the tyres more often
 

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Discussion Starter · #9 ·
KL Richards - Good question. Yes I do check my tyres. Clearly on this occasion I got it wrong. I have calculated that the 6k miles was clocked up in about 10 - 12 weeks. Relatively soon after fitting brand new tyres.One of my issues is that the garage where the car was serviced failed to give me a service report that had identified the extreme wear. It also said "advise customer not to drive long distances"!! I am in discussion with the garage on the level of detail that they follow up on obvious defects.
I am no expert on setting the tracking but it has been suggested to me that the nut in the picture would still allow the tracking arm to move once set. This is what I am trying to gain confirmation on. I have been advised that the nuts should be a different type. Not sure what type though.


Edited by: Eastsidetiff
 

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Discussion Starter · #10 ·
Bigianw - the tyres have not been rotated. I usually reverse park so rarely see the back of the car. No excuse - just contributing factors. Got the shock from **** when I saw them. I have been supplied with a load of photos from the garage that checked all this out for me - free of charge. I have checked the photos again and am fairly confident that the second photo is of the tracker arm adjusting nut. When this was checked, the mechanic questioned his boss about this nut. He (the mechanic) was of the opinion that the nut was wrong. His boss told him that he must have been mistaken as he knew this to be a relatively new car.When I went to pick up the car, the boss asked me if the car had had a recall or any work carried out. The answer was no from me and that was when he showed me the photo. He stressed to me that something did not seem quite right and that I should follow this up. He feels that the tracking will just drift again.
Edited by: Eastsidetiff
 

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The nuts look exactly the same as mine, but what you can see is that they have clearly been moved, as there's an imprint on the bracket from the washers on the bracket from their previous position. It doesn't look as if they have slipped, more that they have been moved purposefully. Have you had any work done? Was the car preowned and if so, do you know what maintenance was done prior to you buying it? My car works hard and it has no signs of any movement in the bolts.
 

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Discussion Starter · #12 ·
I bought from it from new. It had a rear end shunt but when I checked with the repair shop they advised me that they did no mechanical work in that area. Just body and skin. 3 months later I changed the rear tyres for the first time. They had 26k on and my memory tells me they were worn on the inside corners. The camber and tracking required adjusting. 6k miles later the OFS rear shredded. I appreciate your interest. thanks
 

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Might the bodyshop have had to drop the rear suspension to get to other things? Just a thought?
 

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How bad an impact was he rear end shunt. Could that have moved them.





As I say cant telll from the photos, whether the acking is cirrevtly set, but due to that tyre wear we can safely assume not.





There was definitly something I saw on tyre wear and tracking on the Captiva being a problem, but I havent experienced it. I'll do some Googleing to see if I can find it again, and will post a link if I find it.
 

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Found it...here is the extract...

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Make sure any prospective purchase also has lots of tread on its tyres and no sign of uneven wear.

Some members of the tyre-fitting trade believe the Captiva has wheel-alignment (specifically wheel camber) settings that cause premature tyre wear and some owners report accurate wheel alignment is difficult to get.

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I found the link on an Aussie site about the Holden Captiva, which is exactly the same car, but the Aussies seem to have better customer support with Holden.

Full article can be found here

http://news.drive.com.au/drive/used-car-reviews/review-holden-captiva-200610-20120323-1vny1.html





Google captiva tyre wear problems and you'll find quite a few pages of wow, from Holden Captiva's to Chevrolet, plus the odd Antara. Dont forget, all these are the same car coming off the same production line.



I think it is something you need to take up with Chevrolet, as they know about the problem. Strange thing, it isnt effecting everyone, maybe it was a production line "batch"...
Edited by: K.L.Richards
 

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After putting up a post myself about tyre wear just found these pastposts about the subject. after looking into the subject and just having mine set up today can see the need for regular checks, not done any curbing but my camber and back and front tow were all out. The camber is set with the bolt shown by Eastsidetiff the mechanic probably thinks the nut does not look right because he is used to seeing concentric bolts with with concentric washers for adjustmentwhich gives you more of a mechanical lock up, In the picture adjustment is obtained with a slotted hole which does make adjustment more finicky also locking the bolt in place is purely frictional and should at least be helped with a large substantial washer to increase the grip area. Ian you made the point about limited adjustment but at least there is some as cars can come with no adjustment at all and have to be adjusted by shimming or changing the bushes. to increase the adjustment it should be possible to use the slotted holes and change to concentric bolts. After saying all that the wear you get from negative camber is usually a more of a slopping wear across all the tyre, the scrubbing of just the inner or outer small band is through wrong tow in and out,on the rear of the car itis adjusted on a screwed arm just like the front. K L you made a point about why did Eastsidetiff let his tyres get in that state but in Eastsidetiff defenceif you go round checking the tyres that inner band is not very noticeable on the covered rears also they can go very quick its not just the scrubbing action but the heat generated by that scrubbing action which literally starts toheat up that part of the tyremaking the rubber softer and making that scrubbing action even more destructive. So lesson learned after the winter when I switch back to the summer tyres going to make sure I get a four wheel alignment done to make sure grip and tyre wear is at the max.
Sorry just read my own post and have put concentric instead of eccentric bolts, these camber bolts havean off-centre lobe which gives the adjustment movement. [sorry for misleading anybody]

Edited by: Big Al
 

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Sorry just had to edit my last post as I put concentric instead of eccentric bolts. Sorry at my age my brain pushes something out If I learn anything new.
 

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The front wheel alignment of the Captiva models is a known problem, usually resulting in the inside of the tyres being worn prematurely. It is imperative that your wheel alignment on these models is checked regularly every 5-6 months. Have it checked by a garage with a 4 WHEEL ALIGNMENT SYSTEM as using regular tracking guages is not accurate enough. Having your wheel alignment checked is usually free of charge. The rear alignment can be adjusted - but only the Chevrolet or Vauxhall dealer has the special tool required to do the job!
 

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Had my four wheel alignment done bya specialist he commented on the fact there is only a certain amount of adjustment on the rearso will turn out to be a lot bigger job when it comes outside thetolerances, what does the specialist tool consist of captivated1the tyre shopdid not require one.
 

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Hi Al, on my last visit to have my wheels re-aligned the mechanic showed me the diagnostic printout from their JohnBean system which indicated that one of the rear wheels was a fraction out of whack but he informed me that he was unable to adjust it due to the job requiring a dealer specific tool. Some weeks later I happened to be talking to the bodyshop manager of my local Chevrolet Service Centre and I mentioned the problematic wheel alignment with the Captivas. I mentioned to him that one of my rear wheels was very slightly out to which he replied that they had the required 'dealer special tool' to complete the job.

I cannot comment on what it looks like but my Captiva is now due another alignment check so I will be speaking to the dealers again and I will try and get some info out of them regarding this tool - I'll keep you posted!
 
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