Bloody annoying clunk/clonk!

I have had an annoying sharp clunk that seems to be from the front passenger
side of the 90. I cannot find any loose suspension or steering components. I
have recently fitted a complete polybush kit (a fun weekend!) but the noise
persists. I was told by more than one person "it's yer CV joint mate!"
whilst I was competing at an RTV trial. I changed said CV joint; no joy!
It clonks whenever I hit a bump, big or small. Grids, potholes, speedbumps,
whatever. It really comes into its own going over those yellow 'slow-down'
stripes before some junctions. Speed is not a factor, neither is
acceleration or decelaration. Will clonk if vehicle weight is shifted from
one side to the other. I cannot reproduce the noise when not driving, by
shaking wheels or jumping on the front bumper!
My own thoughts are - shock absorber? - have checked mountings and they seem
solid enough. Other possible is swivel pins? - never been there or done
that!

Any help or suggestions appreciated

Stew.

--
1990 Ninety 2.5 n/a D (Jasmine) - the off-road toy
Ex- Freelander Td4 5dr owner - the worst vehicle I have ever had!!!
New Jeep Cherokee Ltd 2.8CRD Auto - freelander replacement.

Did you check the A frame connection to the chassis, those bushes teher
maybe are worn?
Fred

"90ninety" <[email protected]> schreef in bericht
news:[email protected]...
> I have had an annoying sharp clunk that seems to be from the front
passenger
> side of the 90. I cannot find any loose suspension or steering components.
I
> have recently fitted a complete polybush kit (a fun weekend!) but the
noise
> persists. I was told by more than one person "it's yer CV joint mate!"
> whilst I was competing at an RTV trial. I changed said CV joint; no joy!
> It clonks whenever I hit a bump, big or small. Grids, potholes,
speedbumps,
> whatever. It really comes into its own going over those yellow 'slow-down'
> stripes before some junctions. Speed is not a factor, neither is
> acceleration or decelaration. Will clonk if vehicle weight is shifted from
> one side to the other. I cannot reproduce the noise when not driving, by
> shaking wheels or jumping on the front bumper!
> My own thoughts are - shock absorber? - have checked mountings and they
seem
> solid enough. Other possible is swivel pins? - never been there or done
> that!
>
> Any help or suggestions appreciated
>
> Stew.
>
> --
> 1990 Ninety 2.5 n/a D (Jasmine) - the off-road toy
> Ex- Freelander Td4 5dr owner - the worst vehicle I have ever had!!!
> New Jeep Cherokee Ltd 2.8CRD Auto - freelander replacement.
>
>
>

"Landy Fred" <[email protected]> wrote in message
news:[email protected]...
> Did you check the A frame connection to the chassis, those bushes teher
> maybe are worn?
> Fred

I have recently changed the A frame ball joint and polybushed the arms. The
whole vehicle is polybushed. Clunk was present before and after.
Stew.
--
1990 Ninety 2.5 n/a D (Jasmine) - the off-road toy
Ex- Freelander Td4 5dr owner - the worst vehicle I have ever had!!!
New Jeep Cherokee Ltd 2.8CRD Auto - freelander replacement.

Hello, 90ninety!

This is going to sound silly - but bear with me. Check the following :

Rear tow hitch (if attached - is it lose (the pin))
Bodywork - is there any that can hit any more under a bounce.
Engine compartment - there's nothing lose in there?
Brake Disc guard - a favourite - they corrode and loosen up....
Brake pads - they can get pushed up, and then fall back into place.
Anti-roll bar (if present)
Anything loose in the cab on that side that you can't see (maybe in a cubby
box)

I think that covers it....

--
Neil

In message <[email protected]>
"90ninety" <[email protected]> wrote:

> I have had an annoying sharp clunk that seems to be from the front passenger
> side of the 90. I cannot find any loose suspension or steering components. I
> have recently fitted a complete polybush kit (a fun weekend!) but the noise
> persists. I was told by more than one person "it's yer CV joint mate!"
> whilst I was competing at an RTV trial. I changed said CV joint; no joy!
> It clonks whenever I hit a bump, big or small. Grids, potholes, speedbumps,
> whatever. It really comes into its own going over those yellow 'slow-down'
> stripes before some junctions. Speed is not a factor, neither is
> acceleration or decelaration. Will clonk if vehicle weight is shifted from
> one side to the other.

That bit makes it sound like the panhard rod bushes could be to blame,
but as ever those sorts of noises are very good "moving round" the
vehicle - it may even be worth checking the rear top shocker bushes etc.

> I cannot reproduce the noise when not driving, by
> shaking wheels or jumping on the front bumper!
> My own thoughts are - shock absorber? - have checked mountings and they seem
> solid enough. Other possible is swivel pins? - never been there or done
> that!
>
> Any help or suggestions appreciated
>
> Stew.
>

Richard

--
www.beamends-lrspares.co.uk [email protected]
Running a business in a Microsoft free environment - it can be done
Powered by Risc-OS - you won't get a virus from us!!
Boycott the Yorkshire Dales - No Play, No Pay

On or around Thu, 6 Oct 2005 08:20:23 +0200, "Landy Fred"
<[email protected]> enlightened us thusly:

>Did you check the A frame connection to the chassis, those bushes teher
>maybe are worn?

A frame joint, suspension top mount on the front, I dunno. Have you tried
listening from the passenger seat or from the back? Might help locate it.
--
Austin Shackles. www.ddol-las.net my opinions are just that
"If you cannot mould yourself as you would wish, how can you expect
other people to be entirely to your liking?"
Thomas À Kempis (1380 - 1471) Imitation of Christ, I.xvi.

i can tell you exactly what that is .

tighten a bit more tightly the bolts through the brackets on the
front axle that hold the radius arms in place .

it may be the rear bracket on the drivers side that is clunking .

ive had this on a range rover and both my landy 90s .

the hole in the bracket very slightly enlarges with years of suspension
movement and if the nut is sufficiently loose to allow the bracket to
slip slightly when suspension is moved by a certain amount it will make
it go clunk .

this usually happened to me when turning tight turns or going around
roundabouts, and also on rough ground .

you need an 18" knuckle bar in order to get plenty of torque on the
nuts .

you may well have changed the bushes but the hole in the bracket is
still the same as it was previously .

there is a washer welded onto the bracket in line with hole , you could
replace it if you want to but i found tightening the nuts up on all
bolts holding the radius arms cured the clunk .

i can tell you it took me some time to find this and it will most
likely cure youre problem if you tighten the nuts sufficiently .

90ninety wrote:

> My own thoughts are - shock absorber? - have checked mountings and they seem
> solid enough. Other possible is swivel pins? - never been there or done
> that!

It's distinctly possible - I spent a long time looking for a noise in a
customer's (non-LR) vehicle before finally discovering that the clonk
was internal to a shock absorber. Take it off and check it - but it may
be hard to actually get it to make the noise - if so, try swapping them
L&R and see if the noise moves.


--
EMB

Thanks for all your suggestions.
I had a passenger with me last night, who I instructed to put their head
down as close to the footwell as possible. They reckon the noise is from the
are of the transmission tunnel, around the gearstick area!!!!
I have plans to do a lot of bolt tightenening and I will change the
high-mileage front shocks anyway. I will let you all know what gives.

Stew.

--
1990 Ninety 2.5 n/a D (Jasmine) - the off-road toy
Ex- Freelander Td4 5dr owner - the worst vehicle I have ever had!!!
New Jeep Cherokee Ltd 2.8CRD Auto - freelander replacement.


"90ninety" <[email protected]> wrote in message
news:[email protected]...
>I have had an annoying sharp clunk that seems to be from the front
>passenger side of the 90. I cannot find any loose suspension or steering
>components. I have recently fitted a complete polybush kit (a fun weekend!)
>but the noise persists. I was told by more than one person "it's yer CV
>joint mate!" whilst I was competing at an RTV trial. I changed said CV
>joint; no joy!
> It clonks whenever I hit a bump, big or small. Grids, potholes,
> speedbumps, whatever. It really comes into its own going over those yellow
> 'slow-down' stripes before some junctions. Speed is not a factor, neither
> is acceleration or decelaration. Will clonk if vehicle weight is shifted
> from one side to the other. I cannot reproduce the noise when not driving,
> by shaking wheels or jumping on the front bumper!
> My own thoughts are - shock absorber? - have checked mountings and they
> seem solid enough. Other possible is swivel pins? - never been there or
> done that!
>
> Any help or suggestions appreciated
>
> Stew.
>
> --
> 1990 Ninety 2.5 n/a D (Jasmine) - the off-road toy
> Ex- Freelander Td4 5dr owner - the worst vehicle I have ever had!!!
> New Jeep Cherokee Ltd 2.8CRD Auto - freelander replacement.
>
>
>

On or around Thu, 06 Oct 2005 18:18:03 +0100, Austin Shackles
<[email protected]> enlightened us thusly:

>On or around Thu, 6 Oct 2005 08:20:23 +0200, "Landy Fred"
><[email protected]> enlightened us thusly:
>
>>Did you check the A frame connection to the chassis, those bushes teher
>>maybe are worn?
>
>A frame joint, suspension top mount on the front,

I meant, of course, damper (aka shock absorber) top mount. The one in the
turret.
--
Austin Shackles. www.ddol-las.net my opinions are just that
Travel The Galaxy! Meet Fascinating Life Forms...
------------------------------------------------\
>> http://www.schlockmercenary.com/ << \ ...and Kill them.
a webcartoon by Howard Tayler; I like it, maybe you will too!

"m0bcg" <[email protected]> wrote in message
news:[email protected]...
>i can tell you exactly what that is .
>
> tighten a bit more tightly the bolts through the brackets on the
> front axle that hold the radius arms in place .
>
> it may be the rear bracket on the drivers side that is clunking .
>
> ive had this on a range rover and both my landy 90s .
>
> the hole in the bracket very slightly enlarges with years of suspension
> movement and if the nut is sufficiently loose to allow the bracket to
> slip slightly when suspension is moved by a certain amount it will make
> it go clunk .
>
> this usually happened to me when turning tight turns or going around
> roundabouts, and also on rough ground .
>
> you need an 18" knuckle bar in order to get plenty of torque on the
> nuts .
>
> you may well have changed the bushes but the hole in the bracket is
> still the same as it was previously .
>
> there is a washer welded onto the bracket in line with hole , you could
> replace it if you want to but i found tightening the nuts up on all
> bolts holding the radius arms cured the clunk .
>
> i can tell you it took me some time to find this and it will most
> likely cure youre problem if you tighten the nuts sufficiently .
>
I'd also take a good look at the bolts themselves. In the case of my early
'76 RR, I replaced most of the bolts, with longer ones, because they had one
side of the brackets riding on the threads which had worn down. Depending on
the next size up in length I had to use washers to get some to fit properly.
It looked to me as if the designers first made the brackets and then went
looking for bolts to fit instead of designing the brackets so that both
sides were on the shank of a suitable bolt.

Trouble is, now that I've replaced all bolts and bushes, the remaining
clunks are less obvious as to their location. The body mounting bushes look
suspect but replacing them without raising the body away from the chassis
looks impossible. Is replacing one at a time in situ possible?

Taking this a few step's further, is it possible to remove
engine/gearbox/transfer case as a single unit, at home, or do I lift off
body and do everything as the easiest way? My manual talks of removing
doors, seats & flooring to remove transfer case etc. If engine is removed in
a normal fashion, will the rest drop down through chassis rails easily?

PhilD

On or around 6 Oct 2005 11:26:28 -0700, "m0bcg"
<[email protected]> enlightened us thusly:

>there is a washer welded onto the bracket in line with hole , you could
>replace it if you want to but i found tightening the nuts up on all
>bolts holding the radius arms cured the clunk .
>
>i can tell you it took me some time to find this and it will most
>likely cure youre problem if you tighten the nuts sufficiently .

Unless you've got new bolts, you may find they won't tighten. Had that on
the 110 - bolt had rubbed in the hole and damaged the thread. New bolts
solved it.

If the bushes have been replaced, the bolts ought to be new or good, mind
you
--
Austin Shackles. www.ddol-las.net my opinions are just that
"For millions of years, mankind lived just like the animals. Then
something happened which unleashed the power of our imagination -
we learned to talk." Pink Floyd (1994)

"90ninety" <[email protected]> wrote in message
news:[email protected]...
> Thanks for all your suggestions.
> I had a passenger with me last night, who I instructed to put their head
> down as close to the footwell as possible. They reckon the noise is from
the
> are of the transmission tunnel, around the gearstick area!!!!
> I have plans to do a lot of bolt tightenening and I will change the
> high-mileage front shocks anyway. I will let you all know what gives.

Sounds a bit simple, but it's not a loose exhaust pipe at all is it?
TonyB

Yes, checked that. But I am going to replace the front shocks on Monday
anyway.

Stew.

--
1990 Ninety 2.5 n/a D (Jasmine) - the off-road toy
Ex- Freelander Td4 5dr owner - the worst vehicle I have ever had!!!
New Jeep Cherokee Ltd 2.8CRD Auto - freelander replacement.


"Austin Shackles" <[email protected]> wrote in message
news:[email protected]...
> On or around Thu, 06 Oct 2005 18:18:03 +0100, Austin Shackles
> <[email protected]> enlightened us thusly:
>
>>On or around Thu, 6 Oct 2005 08:20:23 +0200, "Landy Fred"
>><[email protected]> enlightened us thusly:
>>
>>>Did you check the A frame connection to the chassis, those bushes teher
>>>maybe are worn?
>>
>>A frame joint, suspension top mount on the front,
>
> I meant, of course, damper (aka shock absorber) top mount. The one in the
> turret.
> --
> Austin Shackles. www.ddol-las.net my opinions are just that
> Travel The Galaxy! Meet Fascinating Life Forms...
> ------------------------------------------------\
> >> http://www.schlockmercenary.com/ << \ ...and Kill them.
> a webcartoon by Howard Tayler; I like it, maybe you will too!

I put new bolts on everything when I polybushed. Got them before I even
started. I figured if the bushes were that bad, the bolts wouldnt be in to
good a shape, especially if I had to use the universal
bolt-removal-bodywork-modifying-metal-shaping-tool (angle grinder).

Stew

--
1990 Ninety 2.5 n/a D (Jasmine) - the off-road toy
Ex- Freelander Td4 5dr owner - the worst vehicle I have ever had!!!
New Jeep Cherokee Ltd 2.8CRD Auto - freelander replacement.


"Austin Shackles" <[email protected]> wrote in message
news:[email protected]...
> On or around 6 Oct 2005 11:26:28 -0700, "m0bcg"
> <[email protected]> enlightened us thusly:
>
>>there is a washer welded onto the bracket in line with hole , you could
>>replace it if you want to but i found tightening the nuts up on all
>>bolts holding the radius arms cured the clunk .
>>
>>i can tell you it took me some time to find this and it will most
>>likely cure youre problem if you tighten the nuts sufficiently .
>
> Unless you've got new bolts, you may find they won't tighten. Had that on
> the 110 - bolt had rubbed in the hole and damaged the thread. New bolts
> solved it.
>
> If the bushes have been replaced, the bolts ought to be new or good, mind
> you
> --
> Austin Shackles. www.ddol-las.net my opinions are just that
> "For millions of years, mankind lived just like the animals. Then
> something happened which unleashed the power of our imagination -
> we learned to talk." Pink Floyd (1994)

Checked the exhaust pipe, all is solid.

Stew.

--
1990 Ninety 2.5 n/a D (Jasmine) - the off-road toy
Ex- Freelander Td4 5dr owner - the worst vehicle I have ever had!!!
New Jeep Cherokee Ltd 2.8CRD Auto - freelander replacement.


"TonyB" <[email protected]> wrote in message
news:[email protected]...
>
> "90ninety" <[email protected]> wrote in message
> news:[email protected]...
>> Thanks for all your suggestions.
>> I had a passenger with me last night, who I instructed to put their head
>> down as close to the footwell as possible. They reckon the noise is from
> the
>> are of the transmission tunnel, around the gearstick area!!!!
>> I have plans to do a lot of bolt tightenening and I will change the
>> high-mileage front shocks anyway. I will let you all know what gives.
>
> Sounds a bit simple, but it's not a loose exhaust pipe at all is it?
> TonyB
>
>