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Noise from new King springs

Tech Talk for Nissan owners.

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BRT
Posts: 368
Joined: Tue Dec 30, 2003 7:38 pm
Location: Gold Coast

Noise from new King springs

Post by BRT »

About two months ago I upgraded the family camper -91 LWB Petrol Mav
Went to King Springs and got 3' Inch lifted springs and Koni Shocks also got a new set of 33" BFG A/T
Very happy with the setup except when you go over a sharp bump i.e a speed bump the front end gets a "THAWANG" sound. (Only sometimes) sounds like its coming from the springs. Will be taking it back to Kings next week but wondering if anybody has any ideas?
P.S Have also changedall of the bushes as well
Cheers
Darryl ;)
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Re: Noise from new King springs

Post by bogged »

BRT wrote:.... over a sharp bump i.e a speed bump the front end gets a "THAWANG" sound.



Ok, is it a clunk, does it feel thru the floor of the car at all? They have problems with cracking of the floor in GQ's.

Could be a loose mount or bolt in the front end that they did.... Jump under and check it all out.

Could be body mounts since everything else is new, bushes in front that is... If it happens when one wheel goes first, like left front, then right front, so you would sorta be twisting the car a little, then probably the body mounts.

Could be lots o things, wait to see what The fitter says is the best way...
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BRT
Posts: 368
Joined: Tue Dec 30, 2003 7:38 pm
Location: Gold Coast

Post by BRT »

it's not a clunk more like the spring recoiling too fast or something like that, i've had a look under it, the mounts are all fine and can't see any signs of the floor cracking. will find out monday i spose
Cheers
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Post by chimpboy »

Wild guess is that due to poor mounting (which could be in lots of ways) the spring sits in one spot when not under much tension and then TWANGS into another spot under tension... or vice versa.

As one guy I know says - "always suspect the last thing you did!" In other words, suspect the spring installation rather than a pre-existing problem which the installer probably would have noticed.

Still - yeah, the guy that fitted them will fix it I am sure.

Jason
This is not legal advice.
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Joined: Sun Nov 24, 2002 8:57 pm
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Post by bazzle »

check bottom loop on front springs not hitting 2nd bottom loop.
Alss use an ARB etc urethane packer under bottom of spring on plate as some springs rotate just a little on comp or ext and do make noise said.

Bazzle
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