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Oh dear it's "knock Stanley" day today! For your info the OP never specified which type of ball joints he was trying to separate.
 
Ive used hammers to loosen ball joints but I usually regret it after I've wacked the wheel arch a couple of times. I once had an arc welder with a carbon pencil torch attachment that was meant for brazing. It could produce phenomenal heat very quickly and very locally, nothing stayed stuck after a couple of seconds being blasted with that.

Col
 
Stanleysteamer said:
And I think the thing about lorry ball joints is that they are just that much bigger and thus tougher to undo. Every extra mm on the diameter of the cone translates to 3.14mm more on the diameter, and of course they would be longer too, so the contact area overall will be that much bigger that you would need gorillas on the pry bars and hammers.
I think I deffo will start that new thread, but not today, thunderstorms in France means I have to disconnect the internet, and my decking will never get finished unless I do it!
Click to expand...

The thing about lorry ball joints is they er don’t have them, they have king pins which present their own problems for removal.
 
Rangie Disco Sportsman said:
The thing about lorry ball joints is they er don’t have them, they have king pins which present their own problems for removal.
Click to expand...

Learn something every day , is that just hgv s that don’t have the ball joints or same with the 7.5 ton vehicles

Daft question if I may , so a ball joint is the same as a track rod end then plse

Many thks
 
gstuart said:
Learn something every day , is that just hgv s that don’t have the ball joints or same with the 7.5 ton vehicles

Daft question if I may , so a ball joint is the same as a track rod end then plse

Many thks
Click to expand...

I'm not sure the OP has clarified but 'doing ball joints' would normally mean steering knuckle ball joints. This other guy is blathering on about steering ball joints but on a disco 2 if it's steering ball joints plural it will usually mean replacing either the entire drag link or tie rod because the balljoint it crimped on one end and they're dirt cheap just for the whole pair and getting them out isn't an issue as a smack with a hammer and bit of heat works fine and it doesn't matter if you wreck the rubber boot.
https://www.ebay.co.uk/itm/Land-Rover-Discovery-2-Track-Rod-Steering-Arm-Drag-Link-98-04-TIQ10-QHG40/371353820773?fits=Model:Discovery|Plat_Gen:MK+II&hash=item5676699e65:g:VbUAAOSwv0tVgDgB

That's why I'd presume steering knuckle ball joints which are a different kettle of fish and much more problematic to remove you can see this guy doing it here
https://www.ebay.co.uk/itm/Land-Rover-Discovery-2-Track-Rod-Steering-Arm-Drag-Link-98-04-TIQ10-QHG40/371353820773?fits=Model:Discovery|Plat_Gen:MK+II&hash=item5676699e65:g:VbUAAOSwv0tVgDgB

Your Disco 3 isn't such a problem with ball joints because they part of the suspension arms and they're just replaced as a whole unit so pressing the ball joints in and out isn't required.

No lorries, beyond perhaps a tiny number of one offs perhaps, really have steering knuckle ball joints they have king pins which go straight through
https://www.truckparts4u.co.uk/prod...fYQ4bwEKkvVJCLgsHzeHGEF5uhAdMWpgaAqduEALw_wcB

The reason they don't need knuckle ball joints is they are not four wheel drive like a Land Rover so they have no need for space to accommodate a driveshaft going through the middle of the steering knuckle.

Yes, trucks do have steering ball joints on tie rods and drag links, just larger, and in the case of eight legger tippers and mid-lift steers they'll have two sets interconnected but again like a Disco 2 you'd talk about drag links and tie rods and they're usually crimped one end. Again getting them out isn't that much of an issue and you're not usually bothered about the boot as it's rare to need to disconnect and reinstall them as unlike a Land Rover, there's no drive to the steered axles so hubs can be removed and you don't have to worry about drive shafts.

Certainly in 30 years of fixing trucks I've never undone a tie rod ball joint and driven it over a pothole to try and pop it out or known anyone who has - loosen wheel nuts and driven the truck, and braked heavily, to free a wheel corroded to the hub then yes, that's done all the time.
 
Rangie Disco Sportsman said:
I'm not sure the OP has clarified but 'doing ball joints' would normally mean steering knuckle ball joints. This other guy is blathering on about steering ball joints but on a disco 2 if it's steering ball joints plural it will usually mean replacing either the entire drag link or tie rod because the balljoint it crimped on one end and they're dirt cheap just for the whole pair and getting them out isn't an issue as a smack with a hammer and bit of heat works fine and it doesn't matter if you wreck the rubber boot.
https://www.ebay.co.uk/itm/Land-Rover-Discovery-2-Track-Rod-Steering-Arm-Drag-Link-98-04-TIQ10-QHG40/371353820773?fits=Model:Discovery|Plat_Gen:MK+II&hash=item5676699e65:g:VbUAAOSwv0tVgDgB

That's why I'd presume steering knuckle ball joints which are a different kettle of fish and much more problematic to remove you can see this guy doing it here
https://www.ebay.co.uk/itm/Land-Rover-Discovery-2-Track-Rod-Steering-Arm-Drag-Link-98-04-TIQ10-QHG40/371353820773?fits=Model:Discovery|Plat_Gen:MK+II&hash=item5676699e65:g:VbUAAOSwv0tVgDgB

Your Disco 3 isn't such a problem with ball joints because they part of the suspension arms and they're just replaced as a whole unit so pressing the ball joints in and out isn't required.

No lorries, beyond perhaps a tiny number of one offs perhaps, really have steering knuckle ball joints they have king pins which go straight through
https://www.truckparts4u.co.uk/prod...fYQ4bwEKkvVJCLgsHzeHGEF5uhAdMWpgaAqduEALw_wcB

The reason they don't need knuckle ball joints is they are not four wheel drive like a Land Rover so they have no need for space to accommodate a driveshaft going through the middle of the steering knuckle.

Yes, trucks do have steering ball joints on tie rods and drag links, just larger, and in the case of eight legger tippers and mid-lift steers they'll have two sets interconnected but again like a Disco 2 you'd talk about drag links and tie rods and they're usually crimped one end. Again getting them out isn't that much of an issue and you're not usually bothered about the boot as it's rare to need to disconnect and reinstall them as unlike a Land Rover, there's no drive to the steered axles so hubs can be removed and you don't have to worry about drive shafts.

Certainly in 30 years of fixing trucks I've never undone a tie rod ball joint and driven it over a pothole to try and pop it out or known anyone who has - loosen wheel nuts and driven the truck, and braked heavily, to free a wheel corroded to the hub then yes, that's done all the time.
Click to expand...

Bless u for taking he time to write all that out, most appreciated

I’ll have a good read and check out the links

Thank u and Very grateful to u :D
 
@Rangie Disco Sportsman

See what u mean ref the front upper suspension on the D3 , know when I done my rear suspension I just bought the complete arms with all the bushes already fitted

Indeed if I had to do the front would just buy the complete arms

Thks as indeed always good to learn

D5C8D244-A558-45D3-A23E-CCAAAA216908.png
B7B5AE6B-D029-4EC1-9B9C-906A78E7C208.png
 
Rangie Disco Sportsman said:
The thing about lorry ball joints is they er don’t have them, they have king pins which present their own problems for removal.
Click to expand...
Rangie Disco Sportsman said:
Yes, trucks do have steering ball joints on tie rods and drag links, just larger, and in the case of eight legger tippers and mid-lift steers they'll have two sets interconnected
Click to expand...
So one minute trucks don't have ball joints, the next they do have ball joints.
If you look at https://assets.publishing.service.g...nt_data/file/794800/hgv-inspection-manual.pdf
You'll see they have both. And as a lorry mechanic you know that, so your remark was completely off piste.
Remember I was not speaking from actual personal experience I was quoting from a much older mechanic than me who is now dead probably. I have never worked on a lorry so I bow to your superior knowledge if you are a lorry mechanic, but I have been working on cars and latterly 4x4s since 1972, if my math is is correct, 47 years. So that dates back to when even cars, like Morris Marinas and MGBs had trunnions and kingpins. So I do know the difference. Right now I don't give a monkeys if lorry mechanics before you or I were born, actually did have to drive down a potholed road to free off a difficult ball joint. They may have had to or it may have been bullsh1t on behalf of my old mechanic friend who at the time had worked on far more vehicles that I had had hot dinners. But it does not change the fact that all I was trying to do was help a poster with his ball joints. When I first posted at post #11 it wasn't clear whether the OP was on about steering ball joints or steering knuckles, if you read the other posters' remarks around there you'll see they were all saying much the same as me.
So your remarks are uncalled for and inaccurate. I am not a BS merchant, if I am sure of an answer I give it, if I am not sure, I give advice as to possible sources of information, or things a poster can try to narrow down the possibilities.
You obviously have a shed load of knowledge to share why not simply share it with less negative attitude?
 
neilly said:
@gstuart
This is what I was referring to when I say ball joints. not TRE's


Did mine at the weekend on the D2. Was alarmed at the state of the bottom one!!.




Cheers
Click to expand...


Thks buddy , makes more sense now

U know me I always like to ask the daft questions, lol

Most appreciated as always , thank u kind sir

Did u ever see this video, was a right nightmare replacing the upper arms,to be honest was one of the hardest jobs I’ve had to do



 
Last edited:
@neilly

Just saw the second video , Christ , u weren’t kidding , bet they knocked

For ur viewing pleasure ref a D3

 
Last edited:
Stanleysteamer said:
So one minute trucks don't have ball joints, the next they do have ball joints.
If you look at https://assets.publishing.service.g...nt_data/file/794800/hgv-inspection-manual.pdf
You'll see they have both. And as a lorry mechanic you know that, so your remark was completely off piste.
Remember I was not speaking from actual personal experience I was quoting from a much older mechanic than me who is now dead probably. I have never worked on a lorry so I bow to your superior knowledge if you are a lorry mechanic, but I have been working on cars and latterly 4x4s since 1972, if my math is is correct, 47 years. So that dates back to when even cars, like Morris Marinas and MGBs had trunnions and kingpins. So I do know the difference. Right now I don't give a monkeys if lorry mechanics before you or I were born, actually did have to drive down a potholed road to free off a difficult ball joint. They may have had to or it may have been bullsh1t on behalf of my old mechanic friend who at the time had worked on far more vehicles that I had had hot dinners. But it does not change the fact that all I was trying to do was help a poster with his ball joints. When I first posted at post #11 it wasn't clear whether the OP was on about steering ball joints or steering knuckles, if you read the other posters' remarks around there you'll see they were all saying much the same as me.
So your remarks are uncalled for and inaccurate. I am not a BS merchant, if I am sure of an answer I give it, if I am not sure, I give advice as to possible sources of information, or things a poster can try to narrow down the possibilities.
You obviously have a shed load of knowledge to share why not simply share it with less negative attitude?
Click to expand...

The tester's manual for HGVs will include anything over 3.5t so they will see quite a few Iveco and Mercedes panel vans which will have suspension ball joints, which will for all intents and purposes look like any 3.5t van but be plated at 5.5t, or something like that and have to go through the HGV testing regime, and they might see the odd 4x4 vehicle plated over 3.5t also. Lorries will have king pins on the steering knuckles, draglink and tie rod ends are ball joints.

If you'd linked to this, I might have let you off, but the link you gave was to knuckle ball joints for US 4 wheel drive pickup trucks
https://www.bisonparts.co.uk/product/steering-end-male-ball-joint-rht-20629
 
gstuart said:
Just saw the second video , Christ , u weren’t kidding , bet they knocked
Click to expand...

Nope, no knocking, I heard what felt like a break pad rubbing and when I jacked the front to check it did not feel loose, but could feel a slight roughness when it was turned. Top one was real nice.

Cheers
 
neilly said:
Nope, no knocking, I heard what felt like a break pad rubbing and when I jacked the front to check it did not feel loose, but could feel a slight roughness when it was turned. Top one was real nice.

Cheers
Click to expand...

Funny enough when I put my suspension into access height could move my rear upper wishbone , normal height wouldn’t move

Then when I removed it fell apart

35E97F24-2FB4-4E40-83CF-759F75591D33.jpeg
 
To all replies!

Thanks very much guys, ball joints sorted, took 4 days in all!
(Other things on going during the week! One day at hospital to have a new footo_O, work issues and other bits and pieces!!)
4 days to change ball joints! Brakes, wheel bearings,a few visits to shops (auto) all fixed and looking good!
Gave wheel a hand shake:mad: now need to sort out track rod:rolleyes: hahahaha

Once again thanks for the advice.
 
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