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Followup To
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Disco series 1 TDI 1999
My wife complained of a shimmy in the steering, and a pull to the passenger side. She immed. pulled over, but could ascertain nothing wrong. On resuming driving she noticed a noise which went away when she turned a corner. I removed the front pads and whilst they were a bit worn, certainly not on the limit, but I did notice a grumble from the diff/steering hub when the direction of the wheel was reversed when spinning by hand. Having had to change the steering bearings and cv joints in a Toy Hilux, should I suspect these, or could it be low oil in the hubs or the diff? If so, what oil and how much? I do suspect a rock in the pads, because when I drove the car there was an irregular squeak which is no longer apparent after re-installing them.
Regards: Paul
Answer -
Hi Paul,
could be bearings or CV joint. The only way to tell is open it up perform visual examination.
As for stones around the wheel, I've had a few between the rotor and the stone gaurd that I've had to remove. No damage there.
I doubt your '99 has a lub problem in the hub. LR uses a special lub that is extremely difficult to leak. It is possible but ever so slow. Not so much an oil but a paste.
As for the diff, I think you'd hear noises more if your diff fluid was gone. Its easy to drain and fill and can't hurt to perform this. I suspect the problem is either in the hub or with the CV joint. If you can do the work yourself, you'll save at least $1000 in labour.
Best of luck,
JohnMc
John,
Thanks for the reply. I have changed the diff oil, and checked the fluid levels in the hubs, but unfortunately yesterday while towing my boat the noise came back with a vengeance! It is now a low grumble which does not dissapear when breaking, so not pads? I had a similiar noise in a Mitsubishi which turned out to be a dry bronze bush that supports the cv half shaft, cheap fix in that instance but does the Disco have a similiar set up? It sounds very much like a bearing noise, and I am not looking forward to stripping a front end in 40deg. heat.
Regards: Paul
Answer -
Hi Paul,
are you sure its coming from your front axle? If you hear it even more when you turn, its your CV.
As for working in 40 degree heat, it surely beats the -14C we have here in Quebec Canada!
The front hub and CV joint are not that complicated to replace. You'll have to pick a shady spot outside or an air conditioned garage would be nice!
Best to remove the affected wheel and inspect the bearings. The hub is easy to remove - just make sure you keep the parts in order of removal. You'll need a new gasket and hub washer (it bends over one of the hub nuts).
Once the hub is open you'll see the condition of the bearings. If its not the bearing, the CV is next likely candidate.
I'll look around for a website that has some helpful photos. If I can't find one, I'll send you to my website and I'll install some tech sheets to guide you thru this...if that is what you want and need. Let me know if you're going to do this.
If it is your CV, eventually, you'll lose the ability to drive in high gear. When this happens, you'll have to lock the diff and limp along until you address the problem.
Let me know what you'd like to do,
JohnMc
John,
Looks like I am going to have to go in! Sounds like its a similiar set up to Toyotas- no point in reinventing the wheel (groan). Some photos or drawings would be good, I have tried to find some but everyone wants money and owning a Landie and a Fiat means I dont have any! The temp has dropped to a comfortable 25C with a bit of rain, so Ill grab the opportunity. My uncle lives in Ontario and tells me how cold it gets there, I dont know how you could function in that! If it gets below 30C, I'm heading for a jumper and a warmer doona. Thanks again for the advice and guidance, much appreciated.
Regards: Paul
AnswerHi Paul,
www.discoweb.org is a good website for you. It has a tech section that details repairs on most components of our Disco. Plenty of photos too! First pic is of a half-axle on a Disco I. Give this page a try.
I understand your position when it comes to repairs. Last year at this time, I had too repairs of $2500 each with only 3 weeks separating them! OUCH.
Is it strange to see your temps fluctuate from 40C to 25C? We are moving into spring here but stil the temps are around -4C to +2C.
Best of luck with this. I hope your dealer is quick to fix this for you.
Regards,
JohnMc
