maybye the shock absorber is worn out max?(assuming it has hydraulic shock absorbers
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| Front Knocking http://www.international2cvfriends.com/forum/viewtopic.php?f=7&t=4206 |
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| Author: | Max [ September 7th, 2012, 1:54 pm ] |
| Post subject: | Front Knocking |
I have an issue on the van when I am driving in uneven roads etc. The drivers front arm seems to be bouncing around way to much. I probably can't explain it in words but I'll try. When I jack up the driver side I can pick up the wheel and arm easy if I do the other side It won't move without moving the car and that's putting some effort into it. Its the same on my dads, both arms won't move as easy as mine. When i'm driving it is as though the arm is bouncing all over the place. The spring can nut was a little loose but we tightened that. I'm unsure what it could be. The car has two different arms on it one from a D*lly and one is a lot older. So both arms hang differently the older of the two hangs a lot lower when jacked up Its the newer arm of the two with the bouncing problem. (Not the one that hangs really low) Any Help appreciated. Max. |
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| Author: | ayjay [ September 7th, 2012, 2:02 pm ] |
| Post subject: | Re: Front Knocking |
maybye the shock absorber is worn out max?(assuming it has hydraulic shock absorbers )
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| Author: | Saurus [ September 7th, 2012, 3:20 pm ] |
| Post subject: | Re: Front Knocking |
Are there any weird noises coming from the suspension? Maybe the spring broke in two, and it seems like it's bouncing around because this arm is now "weaker" and the rest of the car is kind of pushing in on it, I don't really know how to describe this. I don't think a busted shock absorber would cause the arm to hang higher after the car is jacked up, but I think a broken and collapsed (so, somewhat shorter) spring might. Although a shock absorber is easier to test, someone here described a simple test not long ago, it included dropping the damper one end towards the ground and if ok, it should bounce back. |
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| Author: | subarupete [ September 7th, 2012, 4:12 pm ] |
| Post subject: | Re: Front Knocking |
Max, Are you still in B-C, sort of local. Your welcome to come over and we can have a fettle  Peter |
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| Author: | ken [ September 7th, 2012, 4:36 pm ] |
| Post subject: | Re: Front Knocking |
Max, from your description, it sounds as though the damper on that corner is no longer providing any damping. There is another problem though, in that a suspension arm from a 'standard' 2CV or Dyane should never be mixed with those suitable for an AKS400, Acadiane or Ami. The knife edge position is further away from the pivot centreline on standard arms, so the effective spring rate will be higher on that corner, resulting in unpredictable handling...  ken |
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| Author: | Max [ September 7th, 2012, 4:46 pm ] |
| Post subject: | Re: Front Knocking |
ken wrote: Max, from your description, it sounds as though the damper on that corner is no longer providing any damping. There is another problem though, in that a suspension arm from a 'standard' 2CV or Dyane should never be mixed with those suitable for an AKS400, Acadiane or Ami. The knife edge position is further away from the pivot centreline on standard arms, so the effective spring rate will be higher on that corner, resulting in unpredictable handling... ken I never knew that, its not the best at handling. Would a video of the problem help with the description? |
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| Author: | Max [ September 7th, 2012, 4:48 pm ] |
| Post subject: | Re: Front Knocking |
subarupete wrote: Max, Are you still in B-C, sort of local. Your welcome to come over and we can have a fettle Peter Cheers Pete, currently down in Hertfordshire at Harry's. |
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| Author: | ken [ September 7th, 2012, 6:06 pm ] |
| Post subject: | Re: Front Knocking |
Certainly would do... ken Max wrote: ken wrote: Max, from your description, it sounds as though the damper on that corner is no longer providing any damping. There is another problem though, in that a suspension arm from a 'standard' 2CV or Dyane should never be mixed with those suitable for an AKS400, Acadiane or Ami. The knife edge position is further away from the pivot centreline on standard arms, so the effective spring rate will be higher on that corner, resulting in unpredictable handling... ken I never knew that, its not the best at handling. Would a video of the problem help with the description? |
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| Author: | Max [ September 15th, 2012, 4:34 pm ] |
| Post subject: | Re: Front Knocking |
Ok, after driving it around for a while I now think it is the shock. Mainly becasue the side it is on is also a 2cv Shock and shock mount. Is there anyone in Holland or Belgium who has or knows of any Van front arms and a Mounting plate for the left shock. I need to check and see if the other side is a 2cv shock or not. The nuts are much bigger on a van arnt they? I may have to get some shocks sent to someone too. Any help appreciated. Max |
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| Author: | Tom Duckpower [ September 15th, 2012, 8:11 pm ] |
| Post subject: | Re: Front Knocking |
Max, Not far from the Safari thing is a 2cv garage.. He might be able to help you out.. Unfortunately its closed on sunday. http://www.eendenspul.nl en in eindhoven is the "eendengarage" www.eendengarage.com |
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