shudder in steering

[Ford Blitz]

Yep that seems to be my problem. Just need to physique myself up to get down under the truck. These days it easy to get down but I need a cut lunch for the trip to get back up. thanks for all the contributions

[fv102]

I hope that's not correct at 9kg's turnning resistance, that sounds a bit too tight and you could end up with issues later not alone stiff steering and no return to centre?

Darren



Many thanks for your help and suggestions regarding the shudder.

I have disconnected the tie rod from the swivel pin housing and found the turning/rotating resistance to be well below the 4kg. so I removed one of the shims from under the swivel pin (see picture attached). The turning resistance then came up to just over 9kg. After reassembly, I took the landy for a drive, and the shudder is gone!

Many thanks again. 

Best regards,
Muesli.
[/quote]

[Muesli]

Hi Darren,

Yes, 9kg turning force. See pages 108, 109 and the Table on page 111, of the "Truck, Utility, LTWT and Truck, Utility LTWT, Winch, MC2 - Land Rover 110 4x4: Light Grade Repair" manual.
The specification for rotation resistance in there (see Table on page 111) is: "4.5-9kg (10-20lb)".

I checked both front wheels/swivel pins, and both were well below 4kg (around 1-2kg!). Having corrected them by taking out shims, I have brought the rotation resistance in each up to around 9kg (measured using the manual instruction). The shudder has gone.

What is your experience? Is the 9kg really too high? I am somewhat limited by the thickness of the shims in choosing/determining the rotation resistance.....

Many thanks,
George.

[fv102]

George,

My bad, I should have read manual 1st!
However it is about the highest figure I've seen for the railco set up, Classic Range Rover being 2-3lbs, Series vehicles and 101's 8-10lbs and early 90/110 3.6 to 4.5kg (8-10lbs) all without seals and grease. It is not so easy to ascertain the resistance with the oil seal in place and the swivel filled with grease. Even harder to gauge the correct figure with worn parts. I think the 9kg is the calculated accumulated figure for the swivels, grease and seals.

Should really be remembered that just removing shims is really a temporary solution, approx 50% of the swivels I've worked on with railco's we've found sufficient wear on the pin to require them to be changed along with new railco bushes and the thrust pad.

If you had a later swivel with bearings opposed to railco's it would certainly be too tight and wrecked bearings would be the end consequence.

Darren 

[Muesli]

Many thanks Darren.

Yes, the rotation resistance was measured on each fully assembled (with seals and greased) swivel.

The Landy seems to drive good. No shudder, and the steering returns to center, etc. as per normal. I have also checked the swivel for potential raise in temperature after a lengthy drive, but both were cold all round (except for the brake discs :-) ).

I shall see if I can get hold of some very thin shims, and revisit :-)

Many thanks for your advice.

George.

[Ford Blitz]

ok so my issue is solved :
Replace cracked tie bar;
Replace US Pitman arm;
New tie rod ends and Pan Head bushes. Swivel pin preloads fine.
All good now!

[tona]

resistance should be checked with swivel seals un done, cheers TONA 51590 rfsv.