Knocking on Ns rear corner any ideas ?

Oldschool297 · Post by **Oldschool297** » Sat Jun 13, 2015 5:51 pm

Hi I have a 2011 caddy lowered on v max , I have a knocking / banging noise thought it was the ply lining floor it's not that changed the drop link not that sounds like it's coming from that area been in the back while driving it's on the lowest setting any ideas?

Oldschool297 · Post by **Oldschool297** » Sat Jun 13, 2015 5:52 pm

Do you think it could be hitting the bump stops?

Mr. P · Post by **Mr. P** » Sat Jun 13, 2015 7:10 pm

Exhaust on the rear beam?

Does it only happen over bumps?

Strath25 · Post by **Strath25** » Sat Jun 13, 2015 11:04 pm

Mines did exactly the same, the shocks are notorious for knocking, I replaced mines with different ones off eBay, knocking gone

Oldschool297 · Post by **Oldschool297** » Sat Jun 13, 2015 11:55 pm

Just over bumps it's not really bad but my other van is quite and doesn't do it

horace01 · Post by **horace01** » Sun Jun 14, 2015 12:20 am

Being on the lowest setting I think it will be the exhaust knocking on the anti roll bar mount.

This is a bit difficult to check because when you jack up the rear, the axle moves away from the exhaust so it looks like there is plenty of room.

Best way is to use ramps so the wheels/axle stays in the same position relative to the exhaust.

Saying that in my case it's the VMax shocks. When I replaced mine with the originals there is no noise.

Crowie · Post by **Crowie** » Sun Jun 14, 2015 8:14 am

it will be what Strath25 said. the Vmaxx rear shocks are crap and only way you will get rid of the noise is to replace them.
i fitted gaz shocks on mine and knocking noise gone. £133 delivered.
2 x "GT6-5263" is the number for the shorter ones.
Crowie

Post by **dan@biali** » Sun Jun 14, 2015 10:10 am

Does it sound like this

http://youtu.be/LzIfvG3LbK8

That's my KW V1s clonking. Supposedly the vmaxx shocks can occasionally make the same noise.

Oldschool297 · Post by **Oldschool297** » Sun Jun 14, 2015 10:52 am

It's not that load and it's a bit of a deeper noise but similar , come on enlighten me what it is lol

Oldschool297 · Post by **Oldschool297** » Sun Jun 14, 2015 10:54 am

Do you think if I lift it up a hole so the shockers have more travel it will be better?

Post by **dan@biali** » Mon Jun 15, 2015 7:32 am

With mine it was the top bushing. Cheap materials and possibly a part that got redesigned slightly seem to be the culprit. By changing to V2 dampers on the rear the problem disappeared.

Oldschool297 · Post by **Oldschool297** » Mon Jun 15, 2015 9:21 pm

I had a look today I'll put it on the ramp in the morning I might put the old shockers back on just to see if it makes a different and double check everything

Funbagjuggler · Post by **Funbagjuggler** » Mon Jun 15, 2015 11:10 pm

Knocking on mine turned out to be anti roll bar D rubbers.
The ones that clamp the roll bar to the beam.
About £3 each from euro car parts........

Oldschool297 · Post by **Oldschool297** » Wed Jun 17, 2015 8:02 pm

Well it turned out to be the brand new v max rear shockers I had to put the old 1s back on till they change them Not a happy boy

Strath25 · Post by **Strath25** » Wed Jun 17, 2015 10:22 pm

Mines were exactly the same, couldn't be bothered waiting for another set to knock again so splashed out on others

CADDY2K.com

Knocking on Ns rear corner any ideas ?

Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?

Re: Knocking on Ns rear corner any ideas ?