Apologies if this has been discussed before, I know it is a not too uncommon problem.
My Discovery TDi pulls towards the left. Sometimes more than other times, and not road camber or wind related. I have done (possibly) everything to eliminate the problem. Checked tyre pressure (all 4 wheels are Cooper ST) Checked wheel allignment at 2 different places. Renewed all rubber bushes on front and rear suspension with standard LR rubber bushes. Renewed all ball joints. Renewed wheel and swivel pin bearings. New shock absorbers. Brakes are not binding, I checked by jacking up each wheel and rotate the wheel.
Anything that I missed ? Could a worn steering box cause this ? (I don't think the steering box is worn, it feels OK)
Advice appreciated

Regards
JZ

You have tried everything. Are the four wheels braking if one is not, or not fully, because the caliper/piston is sticking then that would give you the problem. Are all the pads the same thickness.
What happened just before you had the problem have you changed something that could be related or did it just appear.

There's not much left is there.

you do not seem to have played with the adjustment nut just after the arm on the steering box
this is the first thing to do
half turn or maybe one turn=problem solved !!
Think carefully about clock or anticlockwise !!
Peter

Applying the brakes tends to correct the problem. Which indicates a problem in the drive train or suspension. What makes it more difficult to trace, is the fact that the pull is not consistent. Sometimes the vehicle will move left slowly, and sometimes the pull is so severe that, if I let go of the steering wheel, it pulls very sharply.

No I didn't. Would that not upset the wheel allignment/toe-in ?

I have had exactly this problem in the last few weeks on a lorry I was driving. Wheel bearing collapsed on front corner. Towed back to yard..

My Disco has pulled to the left for the year I've had it.

I changed EVERY bush on the vehicle - - - - - - - no change.
rotated the tyres & wheels around - - - no change.
Tracking done 3 times - different places - - - - - no change.
Changed front coil springs for new units - - - - no change.
Buggered about with steering box - - - - - no change.
replaced swivvels both sides - - - - - - no change.
reset swivvel tension - - - - - - no change.
replaced n/s brake caliper incase binding - - -- no change.
Stripped, greased bearings - - - no change.
Had chassis jigged for alignment - - - - All OK.
Tried compensating with tyre pressures - - - - -no change.
tried gas shocks - - - - for the hell of it - - - no change.

Conclusion - - - vehicle made of crap & I'm stuck with it.
Several other Landy owners agree.
You get good ones & bad ones - I got a bad one.

Sorry ,wrong advice ,I responded too quickly
In fact ,I used this adjustment to centre the steering wheel
The problem ith my tdi pulling to the left was excessive play in the top swivel pin bearing
Taking most of the shims out ,thus reducing the play did cure the problem
nb : play in top swivel bearing was due to wear,itself due to rust :water manages to get into the swivel pin housing
This may not apply to your case as I think you said you replaced these bearings
If that is the case ,might be worth rechecking the play on each wheel,particularly in the vertical plane
Peter

LOL, been there my friend and I have to sympathise with you as I too have a crap one! I sometimes dream of a toy..oops!

binding brake on one side?
swivel top bearing?
panhard balljoint worn?

mine was caused by the swivel bearing and later on by a 'loose' panhard balljoint. now it runs straight and true and brake in a straight line.

however, it is a 300tdi Defender

regards
bm52

I found that the rear trailing arm mounts on mine are not in the same place on the chassis. The offside is 5mm nearer the front of the vehicle than the near side (the chassis is straight and true, well by landrover standards anyway ) This caused the axle to sit crooked and the vehicle to pull to the left slightly. I have used a couple of spacers on the trailing arm to square things up and the pull has gone.

Pete

My TDi300 pulls to the left as well and I have also been down the route of checking everything, all to no avail. However I have been wondering about front / rear axle misalignment as a possible cause and I think Pete is onto something here.

Hi Pete, how's it going, hope your well.

I'm particularly interested in your solution - rear steering affect of misaligned axle would certainly cause the affect. Once I've put the gearbox back in my Shogun (washes mouth) I shall get the tape measure out and take some measurements.

Cheers

tha first thing i wud do is take wheels off and check all the brake pads, calipers, discs

mikey

I found thed solution to my disco pulling . . . .
it turned out to be that the gian washers each side of the trailing arm bushes on the fronts as well as the rear arms had been tightened so tightly, that the washer had been pushed over the steel bush inside the poly bush.

So much so that one side of the vehicle, the wheels were 8mm closer than other side.

Replaced the washers & steering was true & straight from then on.

Filthy

Out of interest which side were they 8mm closer - I'm guessing the near side ?

I'm going to do the same check on mine, as it also pulls slightly to the left.

Cheers

Mmm...... good point. Will check distance between left & right hand side front to rear. I am on holliday currently, and do not have the Disco with me, but will check in 2 weeks time.

Thanks