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Author Topic: Noise from front shock absorber upper mounting Solved  (Read 31383 times)
Sommerby
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« on: December 28, 2009, 12:20:10 am »

I have a very annoying "Clonck" noise which appears to be located around the front right shockabsorber upper mounting. The noise appears when I drive on a rough road. I changed all 4  springs in the early summer and the noise started a few months after the replacement and has now reach a level where I need to solve the problem.
I have checked the 3 upper mounting bolts and they are all OK, but it seems that the shock absorber is not centered 100% and there is little space  between the "top steel disk" on the shockabsorber and the mounting hole in the car body. Could it be the steeldisk rubbing against the car body? In case that this should be the problem I guess that I must buy renew the "rubber parts" which centers the shockabsorber in the top mounting?
My second guess would be that the spring is not placed correct into the upper mounting part? 
I replace the "shockabsorber bearings" when I replace the springs, so they are OK.
What do you guys think? Do you have a better guess on what could cause the noise? 

Best Regards and a happy newyear to all of you  Smiley
« Last Edit: October 22, 2010, 12:25:48 am by Sommerby » Logged

Best Regards
Bo
Trolkar
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« Reply #1 on: January 11, 2010, 08:45:22 am »

I have the same sound in my car!
Therefore, any advice would be great! - All though my noise started after replacement of the timing belt. - I maybe suspect a mounting issue on the engine. - The sound is only from the right side...

Have you tried (while holding still) to turn the wheels all to the left, and slowly turn to the right? - at some point, almost when fully turned to the right a similar sound is heard in my car.
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'99 Renault Grand Espace 3.0 V6-24v
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renaultbiler
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« Reply #2 on: January 11, 2010, 02:39:14 pm »

There is a complete upper mounting kit available, it happends that this collapses hense the clacking sound. If klacking when turning wheel i would check the bearing between spring and shock absorber.
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1980 Alpine A-310 w/GTA 2.5 V6 Turbo
2000 Grand Espace V6 24v Initiale: http://www.renaultbiler.no/forum/viewtopic.php?id=2529
2000 Scenic RXi 2.0 16v IDE aut DP0: http://www.renaultbiler.no/forum/viewtopic.php?id=3751
1982 R20TX 2.2
Service Online: www.servicehefte.net/servdata/?cid=qqkX
Sommerby
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Spaceship Pilot


« Reply #3 on: January 13, 2010, 04:28:33 pm »

There is a complete upper mounting kit available, it happends that this collapses hense the clacking sound. If klacking when turning wheel i would check the bearing between spring and shock absorber.

This sounds interesting. Do you know more about the upper mounting kit? Which parts are included? Part Number? Approx costs?

Best Regards
Bo
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Best Regards
Bo
renaultbiler
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« Reply #4 on: January 13, 2010, 07:41:03 pm »

Havent looked up the genuine part no but SKF supplies one: SKF VKDA 35620T
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1980 Alpine A-310 w/GTA 2.5 V6 Turbo
2000 Grand Espace V6 24v Initiale: http://www.renaultbiler.no/forum/viewtopic.php?id=2529
2000 Scenic RXi 2.0 16v IDE aut DP0: http://www.renaultbiler.no/forum/viewtopic.php?id=3751
1982 R20TX 2.2
Service Online: www.servicehefte.net/servdata/?cid=qqkX
Anders Dinsen
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« Reply #5 on: January 13, 2010, 11:02:30 pm »

Interesting... Is the bearing sitting in the top one? Are these parts coming with the bearing or replaced individually?

I had my garage exchange the top bearings a few years ago, so they should be perfect, but the rubber parts may be gone now. And the knocking sound I'm experiencing went away after I lifted the wheel off the ground and moved the spring a bit around to check it for cracks, so it seems to be linked to something being a bit loose. I checked the spring because I had been told by someone that springs with one of the ends broken off could cause the same problem.

/Anders
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
jack daniels
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« Reply #6 on: January 18, 2010, 12:23:25 pm »

There is only one bearing and that's the smaller item in the photo which sits under the spring.
The races look like they're pressed out of sheet metal so they are not exactly built for nordic winters. The top part is a sandwhich affair, and allthough my old ones looked like new visually they created an awful lot of klunking and banging before they were replaced with the SKF kit. The kit includes the 4 items shown for about 100euro. I'd throw in a couple of new shock absorber boots too (KYB) since the old ones seem to have lost their flexibility
   The shock absorber piston dosn't rotate since it's fixed to the upper sandwhich mount, the shock's outer tube rotates around the piston when steering.

just yesterday I had to tighten the nut on the top of the left shock after a rattling sound developed. I think I'll put a second lock nut on there next time I change coupe filters.
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Espace, Grand (magnifique, formidable, grandiose, considérable, noble, ample) III  
2002   JE02   F4R  DP0   2.0L 16v auto
colin4255
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« Reply #7 on: February 15, 2010, 09:45:59 pm »

No chance it has a broken front coil spring? Thats apparently a really common fault on the MK3 Espace. Mine just failed an MOT because of it, yet I had never noticed it handling badly. It was making some noise sometimes. Maybe worth a look at the actual coil spring
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jack daniels
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« Reply #8 on: February 17, 2010, 02:57:36 pm »

   the roads here are very corrugated at the moment with all the snow and ice, so the rattling has returned. Im sure it's the nut on the top of the left , drivers side, shock absorber.
   It was somewhat tight last time I checked it but after tightening it further the noise stopped. It was only half a turn loose but that was enough to cause the noise.
   It's a bit difficult to tighten it without the correct tools so that's probably why mine came loose after the shocks were changed at the dealer.
   A 27mm offset ring spanner is necessary and a 5mm unbrako/allen key ( could be 6mm ). It may be an advantage to cut the spanner to the required length.  I didn't have a suitable spanner when I tightened it last time so I guess that's why it has loosened again.

   If you are unsure if the nut has the correct torque because the thread is a bit dry then loosen it a bit first, then tighten as much as possible without damaging the 5mm hex. for the allen key.
« Last Edit: February 17, 2010, 08:17:34 pm by jack daniels » Logged

Espace, Grand (magnifique, formidable, grandiose, considérable, noble, ample) III  
2002   JE02   F4R  DP0   2.0L 16v auto
jack daniels
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« Reply #9 on: February 17, 2010, 08:25:53 pm »

...forgot to include this diagram.
it's pretty much impossible for the shock to not be centered at the top.
the spring can only be positioned one way, its fairly easy to see or feel with your hand that its correct.

had any luck yet?
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Espace, Grand (magnifique, formidable, grandiose, considérable, noble, ample) III  
2002   JE02   F4R  DP0   2.0L 16v auto
Sommerby
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Spaceship Pilot


« Reply #10 on: October 22, 2010, 12:24:43 am »

Finally I have solved the noise issue. I bought the vdka kit that Renault biler recommended in this tread, and that solved the issue.

 Smiley
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Best Regards
Bo
Anders Dinsen
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« Reply #11 on: October 22, 2010, 08:17:07 am »

That's great Bo!

I really need to do the same job on mine. It's making lots of noise from the same place. I've searched for the parts through http://www.daparto.de/ and found it here. One thing puzzles me: They're saying "Anzahl pro Achse: 1" - in my mind that means that ordering one set gives me one for both sides. Does it contain two sets, Bo - and where did you buy it?  Smiley

/Anders
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
Sommerby
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Spaceship Pilot


« Reply #12 on: October 22, 2010, 07:48:02 pm »

That's great Bo!

I really need to do the same job on mine. It's making lots of noise from the same place. I've searched for the parts through http://www.daparto.de/ and found it here. One thing puzzles me: They're saying "Anzahl pro Achse: 1" - in my mind that means that ordering one set gives me one for both sides. Does it contain two sets, Bo - and where did you buy it?  Smiley

/Anders

Hi Anders. I bought it at Jysk Autodele.  There is only one side set in one package (Upper top mounting plus bearing located below the spring) Please note that the left and right side is different so they got each a seperat part number.  The total cost for both a left and a right set was 1500,-kr (Approx 200 Euro's).

When you replace the bearing below the spring I will recommend that you use alot of grease in order to keep moisture away from the bearing.  I replaced those bearings for 2 years ago and they were allready badly corroded and defective. The noisemaker was in my case the metal "cup" on the top mounting. It was brooken where the shock absorber center nut is located so a part of the metal cup was hanging loose on the centerbolt.

What a difference to drive without this very annoying noise.   Smiley
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Best Regards
Bo
jack daniels
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« Reply #13 on: October 22, 2010, 09:55:36 pm »

the SKF set VKDA 35620 T ( T is for twin pack, both sides ) should only cost about 800kr in denmark at a car parts shop.
the parts are labelled "made in france".
I paid about 690 kr back in 2008.
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Espace, Grand (magnifique, formidable, grandiose, considérable, noble, ample) III  
2002   JE02   F4R  DP0   2.0L 16v auto
Anders Dinsen
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« Reply #14 on: October 23, 2010, 09:26:37 am »

I just checked http://www.profiteile-direct.de/ , and their catalogue confirms that this is a set of two. See the screen shot from their web shop.

Sounds like I can save some money buying it from Germany Smiley
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
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