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Rough ride on bumps and uneven road small road?

Tiny
JAVED KHAN
  • MEMBER
  • 2011 AUDI Q7
  • 170,000 MILES
I have changed the sway bar bushing front and rear arm link bar.
Also change front right jumping strut.
Car has air suspension also I have change compressor and solenoid valve.
Friday, March 10th, 2023 AT 11:02 AM

12 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,262 POSTS
Hi,

Since it has air ride suspension, does it seem to be sitting at the correct height and even? Does everything related to the suspension seem to be operating?

Also, a rough ride can also be related to the tires or tire pressure. Have they been inspected?

Does the roughness seem to be from both the front and rear? Are there any noises associated when you experience the issue?

Let me know.

Joe
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Saturday, March 11th, 2023 AT 8:47 PM
Tiny
JAVED KHAN
  • MEMBER
  • 7 POSTS
Dear Jacob,

Thank you very much for the reply.
I have checked there is no fault code.
There is no leakage.
Height seems okay suspension going up and down.
I have changed to new tires Kumho brand.
Yes, there is leak in steering rack.
Regarding the noise I can feel grinding.
But main issue is when go bumps I feel like hard jerk something is loose checked everything nothing is loose
Even local mechanic said lower arm bushing fine it’s 11-year-old car as I said I have change only one front air suspension only do I have to change both together.
Please help what you suspect.
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Sunday, March 12th, 2023 AT 1:35 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,262 POSTS
Hi,

The grinding noise has me the most interested. Is the grinding only when hitting a bump or does it happen all the time while driving?

Also, if you feel a jerk when hitting bumps, does it pull you in one direction? Has anyone checked the wheel bearings for wear?

Let me know.

Joe
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Sunday, March 12th, 2023 AT 2:01 PM
Tiny
JAVED KHAN
  • MEMBER
  • 7 POSTS
Yes sir,

They check bearing is okay grinding noise sometimes.
Is it possible front strut has problem I have change only refurbish one do I have to change both?

Sorry to bother you again.
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Sunday, March 12th, 2023 AT 7:29 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,262 POSTS
Hi,

You are not bothering me at all. Please feel free to ask as much as you want. LOL

Normally, they should be changed in pairs, but with this system, changing one should be fine. However, I still don't see how the shock would be causing a grinding noise. Also, was the vehicle aligned after the work was done?

Let me know.

Joe
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Sunday, March 12th, 2023 AT 7:47 PM
Tiny
JAVED KHAN
  • MEMBER
  • 7 POSTS
I will get vehicle aligned and let I know.
I think I have done it before changing.
Mechanic did re programming and adaptation.
But again, I will do.
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Sunday, March 12th, 2023 AT 7:57 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

Let me know what you find. I'm interested in knowing. Also, when front struts are replaced, an alignment should be performed.

Take care,

Joe
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Sunday, March 12th, 2023 AT 8:25 PM
Tiny
JAVED KHAN
  • MEMBER
  • 7 POSTS
Sure.
But at higher speed I don’t feel car smooth.
Low speed has rough ride like tire has very over inflated feeling very hard.
Let me get it checked alignment.
I am keeping PSI 35 each tire.
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Sunday, March 12th, 2023 AT 8:32 PM
Tiny
JACOBANDNICKOLAS
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Hi,

The pressure you indicated is good. Something isn't making sense. By any chance, did they leave the suspension in the tow mode which would cause it to have a stiffer ride?

Let me know.

Joe
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Monday, March 13th, 2023 AT 7:59 PM
Tiny
JAVED KHAN
  • MEMBER
  • 7 POSTS
No, I have it on comfort mode via Mmi.
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Monday, March 13th, 2023 AT 8:44 PM
Tiny
JAVED KHAN
  • MEMBER
  • 7 POSTS
Also, Jacob could you suggest me fault code reader for Audi I can buy on Amazon. Is it worth buying?
If you have any suggestions.
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Monday, March 13th, 2023 AT 9:02 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

As far as a scan tool is concerned, it really matters what you want it to do. Are you looking for something that provides powertrain codes and the ability to clear them?

I attached one that is a good price for what it can do. Take a look below.

Let me know.

Joe

See pic below.
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Tuesday, March 14th, 2023 AT 3:21 PM

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