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The rear differential of my 2008 LR2 is making noise.
It seems that something inside is broken. What is the most common part that fails in this type of differential? Is there a parts kit available to repair it?
VERY common problem on these cars, symptom is a persistent whining noise.
If necessary you can probably go many thousands of miles after the whining starts (we did). If you need to extend the life to save for repairs, drain the fluid, flush it once, and then install synthetic fluid.
After you fix it, I'd recommend a quality synthetic gear oil, vice the OEM dino oil.
Last edited by merlinj79; Feb 17, 2025 at 09:35 PM.
99% chance that it's the outer pinion bearing on the rear differential. It's a fairly big job but you can do it on the workbench of you're handy. I did mine back in April of 2022 and it's still running quietly today. It requires a special tool to get the differential apart and put back together, but it's widely available on eBay and elsewhere. Some good videos out there on Youtube also. Mine had run for maybe 10K miles making noise, and this is what the bearing looked like when I got it out:
Some things to consider: Service the Haldex unit at the same time - there is a filter, fluid and seal kit for it that makes it easy.
Thank you very much, gentlemen. Your advice is highly appreciated. I followed your suggestion and found a very educational video on YouTube that explains the entire process. However, I realized that this job is beyond my capabilities. As you mentioned, several tools and equipment are required to disassemble and extract the ball bearings, which I don’t have on hand. I understand that I need to purchase a repair kit that includes everything necessary for rebuilding the differential. I will carefully watch the video to see if I can at least remove the differential myself and take it to a machine shop for them to install the kit. Then, I’ll reinstall it myself—hopefully!
I didn't have any luck trying that route, and I was living in Boulder, Colorado at the time so there were lots of shops around. The local Land Rover indy shop didn't want to touch it, and nor did a local Volvo indy shop nor a local 4x4 driveline shop. All of them said they would only replace the entire differential and Haldex assembly with a factory replacement, or nothing at all. So, I said **** y'all and did it myself. I hope your exploration nets you better results!
I am not surprised. A lot of these so-called "Indy shops" are nothing but parts pullers and bolters. They lack any real mechanical aptitude to do even slightly more advanced work and make up all sorts of idiotic excuses to avoid doing so.
I am not surprised. A lot of these so-called "Indy shops" are nothing but parts pullers and bolters. They lack any real mechanical aptitude to do even slightly more advanced work and make up all sorts of idiotic excuses to avoid doing so.
World we live in.
Lot of risk incurred rebuilding something like that... modern major components like transmissions and engines are complex, pretty finely engineered and require precision. Big issue is the parts availability, if you're rebuilding a used gearbox with aftermarket parts and something goes wrong is the parts vendor going to eat the labor?
My kid will rebuild engines (and do custom builds) but he does specialty stuff and it doesn't always go right. He has to build a lot of padding into those jobs and that's for 30-40 year old designs.
There are fewer old guy craftsmen left, and many of them understandably manage shops instead of turning wrenches at this point in life. Hard for them to hire highly skilled techs, not many places you can learn such skills anymore.
My kid struggles to hire folks, at this point he's kind of economically constrained in that he has to do most complex stuff himself (in addition to running the shop). Best he's been able to do lately is hire my nephew (his Dad's a gearhead), but the nephew is only part-time because he's enrolled in college. If he want's to grow to an economy of scale where he can start making money, he has to be a business space where he can employ and manage multiple techs... doing worth that they can manage.
Last edited by merlinj79; Mar 1, 2025 at 09:33 AM.
Lot of risk incurred rebuilding something like that... modern major components like transmissions and engines are complex, pretty finely engineered and require precision. Big issue is the parts availability, if you're rebuilding a used gearbox with aftermarket parts and something goes wrong is the parts vendor going to eat the labor?
My kid will rebuild engines (and do custom builds) but he does specialty stuff and it doesn't always go right. He has to build a lot of padding into those jobs and that's for 30-40 year old designs.
There are fewer old guy craftsmen left, and many of them understandably manage shops instead of turning wrenches at this point in life. Hard for them to hire highly skilled techs, not many places you can learn such skills anymore.
My kid struggles to hire folks, at this point he's kind of economically constrained in that he has to do most complex stuff himself (in addition to running the shop). Best he's been able to do lately is hire my nephew (his Dad's a gearhead), but the nephew is only part-time because he's enrolled in college. If he want's to grow to an economy of scale where he can start making money, he has to be a business space where he can employ and manage multiple techs... doing worth that they can manage.
It's no different in IT. The defense contractor I work for is truly scraping the bottom of the barrel hiring kids with little experience and no sense of best practice.
It's no different in IT. The defense contractor I work for is truly scraping the bottom of the barrel hiring kids with little experience and no sense of best practice.
2008 LR2 Rear differential noise
