Disco bang

[mark5397]

very broad ask here, but I've got a mystery banging noise coming from what appears to be the dashboard/ firewall area on the drivers side when I go over bumps. Can't find anything loose and it isn't coming through the steering. Not a sharp metallic noise more of a sharp (quite loud) bang not thump (how's that for a description?) I'm hoping someone with a S1 Disco has had the same problem and can point me in the right direction before I pull the dash apart. Everything under the bonnet and the suspension seems to be screwed down tight and I'm not missing any cats or dogs and all the children are accounted for!
Cheers
Mark

[one_iota]

Mark

How old are the shock absorbers (both front and rear) and the steering damper?

I have been fooled by noises seemingly coming from the front that have ultimately originated from problems at the rear.

Also do you notice if this happens when it is dry or wet?

Does it happen when the steering wheel is turned or straight ahead?

Sorry more forensic than a TV show :wink:

[rangieman]

check engine and gearbox mounts i had a crook gearbox mount did the same although i couldnt feel it thru the floor 8O

[mark5397]

shocks and springs are new (noise was there before and after I replaced them), but the steering damper is a good suggestion along with the gearbox mounts (engine mounts appear ok) so thanks for the tips, I will have a look at these tomorrow. Happens either dry or wet, steering straight or turning.
Just remembered being told that a couple of months ago that the rubber body mounts were worn out but after buying new mounts couldn't find any that looked any different to the new ones so had a slack attack and didn't bother, perhaps there's some located where I can't see?
Have you guys replaced them and what are the rough locations. The spare parts guy told me I needed 20 or so but have only ever found perhaps half a dozen mounts so where the hell are they all? I've lost my manual/cdrom somewhere but seem to remember they weren't on it
Cheers
Mark

[landy_man]

could also be the radius arm bushes

[DEFENDERZOOK]

<span style="color:blue">check also your exhaust mounts....
may be the exhaust hitting somewhere....


but sounds more like a shock bush......
loosen the locking nut and check to make sure your shock isnt loose.....


i am assuming you have gone over every nut and bolt under the thing with
a spanner to make sure it is all tight.....</span>

[amtravic1]

My 89 Rangie always has loud "crack" noises from the dash. Not so much on bumps but when the air is on. Cant find the problem so just put up with it. Have checked all the bolts and screws are tight. Maybe some sealer or tape was missed when assembled.

[sheff]

My s1 Disco had a similar noise. Finally isolated it by jumping up and down on each corner. The bottom rubbers on the driver side front shock absorber were loose, causing the knock. Bit of a pain to replace, had to make a clamp to hold the shock body whilst the nut was undone (bloody loktite on everything on a disco!)
Its only a L/R thing! :wink:
sheff

[stevo]

had a similar problem awhile back and took ages to find what it was the
bullbar had moved contacting the body it was hard to pick where the noise was coming from as some noise does travel

[abaddonxi]

Originally posted by amtravic1
My 89 Rangie always has loud "crack" noises from the dash. Not so much on bumps but when the air is on. Cant find the problem so just put up with it. Have checked all the bolts and screws are tight. Maybe some sealer or tape was missed when assembled.

I think that noise might just been something contracting as it gets cold from the air.
https://www.aulro.com/afvb/

Cheers
Simon

[Reads90]

Originally posted by mark5397
very broad ask here, but I've got a mystery banging noise coming from what appears to be the dashboard/ firewall area on the drivers side when I go over bumps. Can't find anything loose and it isn't coming through the steering. Not a sharp metallic noise more of a sharp (quite loud) bang not thump (how's that for a description?) I'm hoping someone with a S1 Disco has had the same problem and can point me in the right direction before I pull the dash apart. Everything under the bonnet and the suspension seems to be screwed down tight and I'm not missing any cats or dogs and all the children are accounted for!
Cheers
Mark

Can you feel it thought the steering wheel. as the disco 1 has the same steering set up as the Range Rover classic . This has a plastic safty bit down the cloum in the dash . This is too break if you have an accident.and give the steerin wheel a bit of give. But some times over time they will break and cause a noise when going over bumps. But you usaually feel it thought the steering wheel

[sclarke]

Originally posted by Reads90+--><div class='quotetop'>QUOTE(Reads90)</div><div class='quotemain'><!--QuoteBegin-mark5397
very broad ask here, but I've got a mystery banging noise coming from what appears to be the dashboard/ firewall area on the drivers side when I go over bumps. Can't find anything loose and it isn't coming through the steering. Not a sharp metallic noise more of a sharp (quite loud) bang not thump (how's that for a description?) I'm hoping someone with a S1 Disco has had the same problem and can point me in the right direction before I pull the dash apart. Everything under the bonnet and the suspension seems to be screwed down tight and I'm not missing any cats or dogs and all the children are accounted for!
Cheers
Mark

Can you feel it thought the steering wheel. as the disco 1 has the same steering set up as the Range Rover classic . This has a plastic safty bit down the cloum in the dash . This is too break if you have an accident.and give the steerin wheel a bit of give. But some times over time they will break and cause a noise when going over bumps. But you usaually feel it thought the steering wheel[/b][/quote]

Hey mine does that, drives me nuts.... the steering coloum rattle...

[mark5397]

many thanks to everyone's suggestions.
It was a bloody annoying fault and only by accident when I was underneath the front rhs today and I couldn't fit where I needed to go (fat bastard syndrome) so put the wheels on full lock then accidentally found the problem. The sway bar bracket that is welded to the chassis is totally broken off but in the usual manner when the wheels are dead ahead the damn thing lines up with the welds and it isn't obvious (to me anyway or Landrover Wodonga I might add!), only when the wheels are turned to full lock and it displaces does it become apparent.
Been broken for a while by the looks of it which goes some way to explaining the old girl's rather flighty behaviour 'at speed' on the dirt. (and I thought it was just my new medication)
Anyway thanks again for all your suggestions, if you're in Albury/Wodonga and see a dark green Disco leaning into the corners before it actually gets to them, wave!.
Cheers
Mark

[DEFENDERZOOK]

<span style="color:blue">hmmm.....leaning into corners before actually getting to them....



sounds like standard defender syndrome to me......</span>