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Old 11th November 2008, 17:54   #1
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Default Indigo rear wheels tend to sag ?

This is an observation that has been bothering me, one in every 3 indigo I have seen on road, and may be 2 in every 3 indica I have seen on road, the rear wheels look like they are bending outwards... as if the axle has got a sagging. Has anyone noticed it? First i thought it is due to independent suspension... but then indica does not have it, and this should not happen at the first place it will lead to uneven wear and tear of the tyres and even the bearings in the long run. Any inputs please?
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Old 11th November 2008, 18:32   #2
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Take a picture next time you see one. It'll be easier for all to understand.
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Old 11th November 2008, 18:43   #3
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Quote:
Originally Posted by Tejas@perioimpl View Post
Take a picture next time you see one. It'll be easier for all to understand.
I am in Uk at the moment, so it will not be possible right now.. but trying to explain... if you see from behind, the wheel top seems to bend inwards slightly and the lower part protrudes out... may be alignment issue, but it has been too frequent to ignore, hence checking out why... is it because the car is too heavy for its suspensions?
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Old 11th November 2008, 18:43   #4
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http://www.team-bhp.com/forum/intern...tml#post208283 (Indica DICOR)


an unfortunate combination of Independent rear suspension, no maintenance and overloading
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Old 11th November 2008, 19:48   #5
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Originally Posted by greenhorn View Post
http://www.team-bhp.com/forum/intern...tml#post208283 (Indica DICOR)


an unfortunate combination of Independent rear suspension, no maintenance and overloading
Thanks for pointing to the thread, however, does anyone know if this issue is going to be rectified/being taken up with TATA in the next version of Indigo... I personally feel they should launch stop using the Indica and Indigo names, and launch brand new names.. e.g. the VISTA could be given a new name other than Indica.. the name is just too old now, like the Amby
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Old 11th November 2008, 20:54   #6
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the new indica vista uses a more conventional rear suspension, so this issue should not arise
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Old 11th November 2008, 22:19   #7
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This is because of MacPherson strut Independent rear suspension.
When the car is overloaded most of the time plus not maintained properly, this problem of camber angle occurs.
The first generation Indica has got independent suspension all round.

Moreover this problem is also seen in Baleno if 10kg CNG storing capacity cylinder is fitted in the boot.

So this is because of strut suspension. So citing this reason that Indica has problem with camber angle ( because most of the Indica taxis are not maintained proprely ), in Vista they have sorted the issue ( as per TATA ) by giving it a torsion beam/twist beam ( very less difference between the two ).
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Old 12th November 2008, 01:41   #8
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Indigo and Indica have completely different rear suspension
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Old 12th November 2008, 06:37   #9
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but both have independent rear suspension

only the indica lacks the anti roll bar
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Old 12th November 2008, 08:13   #10
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^ due to the limited overhang
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Old 12th November 2008, 17:51   #11
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That said, Indigo definitely has got the best suspension in its class, how many will give you anti roll bar in both front and rear suspension setup in a C segment car? Only if they gave a tie rod in the back it would have sorted the issue it seems? BTW, is Torsion Beam better than independent one ? I guess it is not? Also, how can one rectify camber angle error... is it a costly affair?
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Old 12th November 2008, 18:05   #12
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If it is fully independent system then just aligning the rear wheels will solve the camber problems. It is similar to aligning the front wheels. My esteem used to 4 wheel aligning as opposed to my swift which was 2 wheel aligning. So it will not be a costly affair.
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Old 12th November 2008, 18:35   #13
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Heard that Marina's suspension is an improvement over Indigo. Is it because of the gas filled dampers? Anyone please confirm.
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Old 14th November 2008, 05:25   #14
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Quote:
Originally Posted by greenhorn View Post
but both have independent rear suspension

only the indica lacks the anti roll bar
Hmm...that's like saying they both have 4 wheels! The Indica is a pure trailing arm whereas the Indigo is a tri-link strut. There is no camber gain with the trailing arm.
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Old 14th November 2008, 06:05   #15
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Quote:
Originally Posted by Mpower View Post
Indigo and Indica have completely different rear suspension
Indigo - Independent, 3-link, McPherson strut, with anti-roll bar and gas filled dampers

Indica - Independent, Semi trailing arm with coil spring mounted on hydraulic shock absorbers

WHen McPherson struts are used at the rear, they are usually called Chapman struts. See Wikipedia.

@Vikram - When you align front wheels, usually, you only change the toe settings. How do you change the camber settings for a MacPherson strut type suspension? Could you explain?
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