Wisdom for differential install

[outono]

Wow, you have had some issues with that D1.

Seriously. No repeat issues, fortunately, but it’s always 2 steps forward, 1 step back.

Body has 260,000 miles on it so inevitably I’m going to find areas that haven’t been touched in all that time. Funny thing is, I’ve replaced almost everything in this truck now so hoping the disappoint stops…

 

[discostew]

Speaking of break in procedures that are no longer relevant… I recently purchased a new Toyota. The first recommended oil change isn’t until 10,000 miles. My wife’s Subaru required the first change at 3,000 miles and it isn’t that old. Wonder if they do some sort of break in procedure at the factory?

Don’t leave your oil in for 10,000 miles. Manufacturers stretch that interval out just so they can lower the cost of maintenance. What do they care if your timing chaines and engine in general are junk at 45,000 miles? After 36,000 miles it’s all yours to fix.
I think with todays oil and the improved engine technology 6,000 miles is a good interval on pure synthetic oil.

 

[discostew]

Tight. Unless there's a special torque wrench (that I'm not aware of) that can get in there, a normal one won't fit.

There’s an adapter that you use with a torque wrench.

 

[terryjm1]

Don’t leave your oil in for 10,000 miles. Manufacturers stretch that interval out just so they can lower the cost of maintenance. What do they care if your timing chaines and engine in general are junk at 45,000 miles? After 36,000 miles it’s all yours to fix.
I think with todays oil and the improved engine technology 6,000 miles is a good interval on pure synthetic oil.

I changed it at 5400 myself. The dealer covers one at 10k and 20k. I used an OEM Toyota filter so my guess is they won’t notice when I bring it in for their ”free” oil change,

There is a well know Toyota mechanic that did a video on an engine he tore down that had all maintenance done at the dealership on their 10,000 mile recommended interval. It was a 4cylinder they have used for around 20 years with an incredibly good reputation. 400,000 to 500,000 miles is common on that engine,

The one he tore down was using a lot of oil at 150,000 miles and if memory serves me the catalytic converter had to be replaced as a result of the oil burnin. When he took it apart everything was worn out. He directly attributed it to the change to 10,000 mile oil change intervals from the previously recommended 6,000. He did the math between the added cost of doing oil changes at 6000 versus 10000 and compared it to the cost to replace the engine at 150,000. He was able to save the head. As you can imagine, the cost effective choice is to change the oil more often.

I do plan to change the oil between 5500 and 6000. That is what I do with my wife’s Subaru and did with my now traded in GMC. The Land Rovers get changed between 3000 and 3500 which is typically once a year.

 

[terryjm1]

Seriously. No repeat issues, fortunately, but it’s always 2 steps forward, 1 step back.

Body has 260,000 miles on it so inevitably I’m going to find areas that haven’t been touched in all that time. Funny thing is, I’ve replaced almost everything in this truck now so hoping the disappoint stops…

Well, I guess at 260k is isn’t so bad. It’s a nice ride so it is definitely worth it.

 

[discostew]

I changed it at 5400 myself. The dealer covers one at 10k and 20k. I used an OEM Toyota filter so my guess is they won’t notice when I bring it in for their ”free” oil change,

There is a well know Toyota mechanic that did a video on an engine he tore down that had all maintenance done at the dealership on their 10,000 mile recommended interval. It was a 4cylinder they have used for around 20 years with an incredibly good reputation. 400,000 to 500,000 miles is common on that engine,

The one he tore down was using a lot of oil at 150,000 miles and if memory serves me the catalytic converter had to be replaced as a result of the oil burnin. When he took it apart everything was worn out. He directly attributed it to the change to 10,000 mile oil change intervals from the previously recommended 6,000. He did the math between the added cost of doing oil changes at 6000 versus 10000 and compared it to the cost to replace the engine at 150,000. He was able to save the head. As you can imagine, the cost effective choice is to change the oil more often.

I do plan to change the oil between 5500 and 6000. That is what I do with my wife’s Subaru and did with my now traded in GMC. The Land Rovers get changed between 3000 and 3500 which is typically once a year.

The 2.0 diesel JLR runs now has the first oil change at 20k. It has a 10k service but the oil doesn’t get changed during that one. They act surprised that the things are sludged up. But they just figured it wouldn’t happen this fast.
When they sludge up they display a warning for oil critically low. It’s because all the oil is still up in the head. You can find all kinds of people dealing with it doing a google search. Nobody seems to be figuring it out yet.

 

[kris812]

Just to beat this "break in" method talk on gears like a dead horse. I 100% believe that one should follow caution on new gears and parts to break them in. Every vehicle manufactured since the 50's has had some form of after build break-in/testing done on it. First from an engineering standpoint so they know what to improve or 'fix'. Second from a safety standpoint. Third was because back then they were breaking in the engines at the same time; Today, all engines are "broken in", oil changed and fully tested on tests stands/benches before installation.

Which brings me to, after building vehicles are normally: water tested, gone through a break in procedure and power tested on a dyno (me thinking diffs right there), road terrain tested, bolts retorqued on suspension, wheel alignment checked, oils are changed; and Finally, the vehicle is cleaned, detailed, paint touch up, and buffed. The reason for most of this is "production", if there was ever a time to fix something it would be at the factory with Engineering teams everywhere; Just like the engine testing before installation, it is most cost effective to fix a problem before it goes down the line of production.

Final point: break your gears in like the factory and experts have said for decades, it costs nothing! OR send it, "it's not mine"!

Now If you're curious on the building and 'testing' of cars and Rovers (cool watch BTW, go grab a beer first!), I will attach some video links. At the end of each of these videos (mini cooper is the best) they show some of the after-build road course testing.


mini cooper 15:45 road testing

range rover 13:00 testing

defender 35:30 testing

 

[discostew]

Kenneth? If you believe all that quality testing is done to Land Rovers at the factory you’re silly. They leave problems to point of entry technicians and then they pass it off to dealership technicians who have the new owner standing by. I’ve had to push cars off the car carriers. I have messed up vehicles with lots of extra miles on them. That tells me they knew it was fucked up and shipped it anyway.
Nobody breaks stuff in like that but the idiot who wrote the article and people who think it’s gospel, cause they found it on the internet.

 

[terryjm1]

The 2.0 diesel JLR runs now has the first oil change at 20k. It has a 10k service but the oil doesn’t get changed during that one. They act surprised that the things are sludged up. But they just figured it wouldn’t happen this fast.
When they sludge up they display a warning for oil critically low. It’s because all the oil is still up in the head. You can find all kinds of people dealing with it doing a google search. Nobody seems to be figuring it out yet.

Wow, and I thought 10k was crazy. Toyota has an initial 5000 mile service where they basically just look at it and things like check lug nut torque. It takes me an hour to get to the dealer and I’d guess an hour there. 3 hours for them to look at it. I can check lug nut torque, check fluid levels, and look for leaks myself. I will pass.

 

[discostew]

Wow, and I thought 10k was crazy. Toyota has an initial 5000 mile service where they basically just look at it and things like check lug nut torque. It takes me an hour to get to the dealer and I’d guess an hour there. 3 hours for them to look at it. I can check lug nut torque, check fluid levels, and look for leaks myself. I will pass.

Yeah I agree. See if you can print the check sheet and tick all the boxes yourself. You’re as qualified and probably more qualified than the guy who’s going to be doing it. Is that inspection free?

 

[terryjm1]

Yeah I agree. See if you can print the check sheet and tick all the boxes yourself. You’re as qualified and probably more qualified than the guy who’s going to be doing it. Is that inspection free?

It is free, just inconvenient,