violent shaking

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mick the builder said:
Ahh theres your problem, complacency Big issue with defender owners. All goes well for a couple of weeks then you get a bit complacent and BOOM, something goes wrong.
Do hope you find problen though. Mot centre rolling road would be a help or Dyna centre? think thats whats its called where you can get ecu chipped. Least there they can strap car down while getting up to speed,
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Once everything is back together I’ll take it back to my MOT guy get him to put on his rolling road and also get him to give it a once over. It only went through MOT on 18th December.
 
kermit_rr said:
Have you ruled out that non of the new parts ie bushes, bearings cv joints etc haven't failed? Just because it's new or nearly new doesn't mean it's good
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Think I’ll just replace the panhard rod bushes to rule them out. Everything to do with steering bushes cv’s are only 2000miles old. If replacing the steering damper and panhard bushes doesn’t cure it then I’m going have to bite the bullet and strip each side down and check internally
 
TorsionBhudda said:
Think I’ll just replace the panhard rod bushes to rule them out. Everything to do with steering bushes cv’s are only 2000miles old. If replacing the steering damper and panhard bushes doesn’t cure it then I’m going have to bite the bullet and strip each side down and check internally
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Before you do that I would pop the front axle up on two axle stands, take the steering bars off and check the preload on the swivels. It doesn't need to be far out to give the symptoms you describe. Sorry, you may have already done this, I haven't read all of the posts above :oops:
 
Al2O3 said:
Before you do that I would pop the front axle up on two axle stands, take the steering bars off and check the preload on the swivels. It doesn't need to be far out to give the symptoms you describe. Sorry, you may have already done this, I haven't read all of the posts above :oops:
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Out of interest what should the preload on the swivels be when the seals are fitted? I think it’s 14lbs if pull without a seal, but what about after the seal is fitted?
 
flat said:
Out of interest what should the preload on the swivels be when the seals are fitted? I think it’s 14lbs if pull without a seal, but what about after the seal is fitted?
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The manual doesn't give a preload figure with the seals fitted, but at least he'll be able to get an idea. Given the symptoms I'd be tempted to take a thinner shim out and see how it behaves. Without seals 1.16 to 1.46 kg for my set up.
 
My experiences are as follows.
I had worn track rods- no symptoms.
I had a leaking ps pump- no symptoms.
I had a well worn A frame ball joint- no symptoms.
I had a swivel top pin that was so loose the wheel rocked an inch top and bottom- no symptoms except slight steering wobble and brake pull.
One afternoon I was driving along and the steering started to shake, I couldn't see anything visually wrong so continued the 1/2 mile home. Next day, jacked her up and investigated and noticed that the body of the 110 moved just slightly before the road wheel did when turning the steering wheel.
Panhard bushes were slightly worn.
I fiqured it would be ok to drive the 2 miles to my local indy.... As soon as I hit 30mph the truck shook violently and I couldn't control it, it felt like the back axle had snapped, scared the life out of me I'll be honest!
The shaking eased off but continued until I had nearly stopped. Checked all over again and, again, nothing visually wrong.
Continued on my way and exactly at 30mph it started to 'go' again.
I drove the rest of the way and back home at 25mph with no issues.
New bushes (check bolt holes for elongating btw op) and she's all sweet again. That was around 2 yrs ago.
 
Flossie said:
My experiences are as follows.
I had worn track rods- no symptoms.
I had a leaking ps pump- no symptoms.
I had a well worn A frame ball joint- no symptoms.
I had a swivel top pin that was so loose the wheel rocked an inch top and bottom- no symptoms except slight steering wobble and brake pull.
One afternoon I was driving along and the steering started to shake, I couldn't see anything visually wrong so continued the 1/2 mile home. Next day, jacked her up and investigated and noticed that the body of the 110 moved just slightly before the road wheel did when turning the steering wheel.
Panhard bushes were slightly worn.
I fiqured it would be ok to drive the 2 miles to my local indy.... As soon as I hit 30mph the truck shook violently and I couldn't control it, it felt like the back axle had snapped, scared the life out of me I'll be honest!
The shaking eased off but continued until I had nearly stopped. Checked all over again and, again, nothing visually wrong.
Continued on my way and exactly at 30mph it started to 'go' again.
I drove the rest of the way and back home at 25mph with no issues.
New bushes (check bolt holes for elongating btw op) and she's all sweet again. That was around 2 yrs ago.
Click to expand...
Interesting! I'll be checking my panhard bushes anorl :)
 
Al2O3 said:
The manual doesn't give a preload figure with the seals fitted, but at least he'll be able to get an idea. Given the symptoms I'd be tempted to take a thinner shim out and see how it behaves. Without seals 1.16 to 1.46 kg for my set up.
Click to expand...
You set the preload without the seals my front Axle is from a TD5 bearings top and bottom. I’ve checked 3 times for play in the swivels and there is non also had couple other people check them and everything else to confirm there’s no play. I won’t be taking shims out willy nilly If I do need strip everything down to do internal checks then I’ll reset the preload then without seals fitted. When I set them up originally they were set at the tighter tolerance so that as they bed in they will become slightly looser but still be within tolerance and give no play which is how they seem to be. I have had the death wobble in the past when I first bought my Defender and was caused by play on swivel and play in wheel bearings what I’m experiencing is nothing like what happened then. The Defender doesn’t swerve across the road it just vibrates violently right through the steering wheel. Today I took all the wheels to tyre place and had balance checked fronts were fine and definitely no deformities on the wheel the rears needed 5g each (which is nothing for rears) and wheels were perfect.
 
Flossie said:
My experiences are as follows.
I had worn track rods- no symptoms.
I had a leaking ps pump- no symptoms.
I had a well worn A frame ball joint- no symptoms.
I had a swivel top pin that was so loose the wheel rocked an inch top and bottom- no symptoms except slight steering wobble and brake pull.
One afternoon I was driving along and the steering started to shake, I couldn't see anything visually wrong so continued the 1/2 mile home. Next day, jacked her up and investigated and noticed that the body of the 110 moved just slightly before the road wheel did when turning the steering wheel.
Panhard bushes were slightly worn.
I fiqured it would be ok to drive the 2 miles to my local indy.... As soon as I hit 30mph the truck shook violently and I couldn't control it, it felt like the back axle had snapped, scared the life out of me I'll be honest!
The shaking eased off but continued until I had nearly stopped. Checked all over again and, again, nothing visually wrong.
Continued on my way and exactly at 30mph it started to 'go' again.
I drove the rest of the way and back home at 25mph with no issues.
New bushes (check bolt holes for elongating btw op) and she's all sweet again. That was around 2 yrs ago.
Click to expand...

I’m going change them as they are easy enough to do and cheap and will either cure or rule them out.
 
TorsionBhudda said:
You set the preload without the seals my front Axle is from a TD5 bearings top and bottom. I’ve checked 3 times for play in the swivels and there is non also had couple other people check them and everything else to confirm there’s no play. I won’t be taking shims out willy nilly If I do need strip everything down to do internal checks then I’ll reset the preload then without seals fitted. When I set them up originally they were set at the tighter tolerance so that as they bed in they will become slightly looser but still be within tolerance and give no play which is how they seem to be. I have had the death wobble in the past when I first bought my Defender and was caused by play on swivel and play in wheel bearings what I’m experiencing is nothing like what happened then. The Defender doesn’t swerve across the road it just vibrates violently right through the steering wheel. Today I took all the wheels to tyre place and had balance checked fronts were fine and definitely no deformities on the wheel the rears needed 5g each (which is nothing for rears) and wheels were perfect.
Click to expand...
You have a very methodical approach, so would not expect you to be will nilly, though I love that term! It doesn't take long to try a shim out, so I thought that might be worth a try before stripping seals off. If it improved things then it might have shown it was going to be worth taking the seals off and setting them again. I wouldn't advocate doing anything willy nilly, just thought it was worth trying as part of all of the investigations.
 
Al2O3 said:
You have a very methodical approach, so would not expect you to be will nilly, though I love that term! It doesn't take long to try a shim out, so I thought that might be worth a try before stripping seals off. If it improved things then it might have shown it was going to be worth taking the seals off and setting them again. I wouldn't advocate doing anything willy nilly, just thought it was worth trying as part of all of the investigations.
Click to expand...

I understand what you’re saying it’s just I’d expect some sort of play in the swivels when in fact there is nothing it’s very frustrating. I have a couple avenues to check first. I.e drive with prop off and without steering damper and replacing the panhard bushes if after those test drives it still happens then I’ve resigned myself to stripping the whole front axle down and inspecting every part and replacing anything that’s not 100%.

I appreciate your and everyone else’s suggestions and help on here I’m sorry if I came of the wrong way in my last post.

Willy Nilly is a good Scottish term I thought you being a Nothern guy you’d have heard that one before lol. Thanks again mate
 
TorsionBhudda said:
I understand what you’re saying it’s just I’d expect some sort of play in the swivels when in fact there is nothing it’s very frustrating. I have a couple avenues to check first. I.e drive with prop off and without steering damper and replacing the panhard bushes if after those test drives it still happens then I’ve resigned myself to stripping the whole front axle down and inspecting every part and replacing anything that’s not 100%.

I appreciate your and everyone else’s suggestions and help on here I’m sorry if I came of the wrong way in my last post.

Willy Nilly is a good Scottish term I thought you being a Nothern guy you’d have heard that one before lol. Thanks again mate
Click to expand...
Absolutely no worries. I think we're all just dead keen to see you get it sorted. Aye, willy nilly is a popular term here too. It just makes me smile when I see it written down. :D
 
Al2O3 said:
Absolutely no worries. I think we're all just dead keen to see you get it sorted. Aye, willy nilly is a popular term here too. It just makes me smile when I see it written down. :D
Click to expand...

I’m desperate to get it sorted it was going great as well so good in fact I was looking to get rid of my BMW and just use the Landy as my daily driver as I’m no longer working away from home and only 5mins away from new job. Then this happened and the struggle I’ve had changing the water pump which mothballed because of a sheared bolt and to top it off the daughters Discovery’s front brakes are seizing on after I did all her steering ball joints in November :( Been a great start to the year.....NOT lol
 
TorsionBhudda said:
I’m desperate to get it sorted it was going great as well so good in fact I was looking to get rid of my BMW and just use the Landy as my daily driver as I’m no longer working away from home and only 5mins away from new job. Then this happened and the struggle I’ve had changing the water pump which mothballed because of a sheared bolt and to top it off the daughters Discovery’s front brakes are seizing on after I did all her steering ball joints in November :( Been a great start to the year.....NOT lol
Click to expand...
Frustrating all right! It'll not help when people keep harping on, on here :rolleyes:
I'm sure you'll get it sorted soon. You still got access to that big workshop?
 
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