A Couple of RRS/D3 Questions - Tyre Rotation & Auto Oil Changes

[101RRS]

Can anybody tell me what the recommended tyre rotation sequence for a 4 wheel rotation on a D3/RRS? I remember seeing it listed somewhere but cannot find it. Everyone has their own ideas but trying to find the LR recommended sequence.

Also I am going to do a auto sump and ATF change soon. I know that the fluid can be changed by removing the hoses to the cooler and pumping it in and out but I am a bit weary of doing this in case I stuff something up so am looking at the drain and fill a couple of times method so am after information on this. The gearbox holds 9.5 litres and a standard drain and refill changes 3.5 to 4 litres so about 1/3rd is changed on each drain/fill.

So how many drain/fills are people doing and what sort of distance are you doing to mix the old oil with the new oil before they do the next drain/fill. A thousand km between changes or a quick 10 minute drive around the block?

Thanks

Garry

[Ean Austral]

G'day Garry,

I bought 20 Ltrs and did it as you say, I just dropped the oil every few hundred Kms until the oil was clean, took 2 quick changes then done 1000ks later and oil was clean.

Can't help with the tyres.

Cheers Ean

[jon3950]

Think the LR recommended sequence is to swap tyres on the same axle only, not front to rear, at least thats what my dealer does.

Personally, I'm not convinced.

Cheers,
Jon

[101RRS]

Think the LR recommended sequence is to swap tyres on the same axle only, not front to rear, at least thats what my dealer does.

Personally, I'm not convinced.

Cheers,
Jon

Thnaks

I seem to remember it was something like right front to left front to right rear to left rear and then to right front but I am not sure at all.

[rocmic]

The service book/guide says same axle side to side, if I remember correctly every 24,000 km. Given that that is for the OEM tyres and mine lasted all of almost 30K - go figure.
I am doing a five wheel rotation every 10K and have gone back to basics -
spare to left rear
left rear to left front
left front to right rear
right rear to right front
right front to spare

Don't know if it is correct, just trying to even up wear, I find that the left front wears the most

Cheers
mike

[Barryp]

I also do a 5 tyre rotation every 10000 K's.
Did it on my LR3 and on my current RR Sport.
No issues that I can see.
Regards
Barryp

[101RRS]

Thanks Barry but as indicated - only doing 4 wheel rotations as the spare is a different tyre and is just a spare (same size though).

Cheers

Garry

[TDV6]

Extracting oil using the cooler hoses is fast clean and easy, but its a two person job as when the oil comes out it will be very quick and will spray everywhere if not directed into a large container. Clear pipes are good as you can see when the flow is stopping.

I got 5L out using the transmission cooler pipe and running the engine for 30 sec maximum then redoing it twice more, it was very quick to do the car and as I already had the steel transmission plate there is no drain plug so it really was the cleanest way to do the job. To catch the old oil, I bought a 10L white rectangular container with volume markings from Bunnings. I got a further 1L from the steel sump plate. From the same store I also got clear plastic tubing to connect to the oil cooler and pipe from the transmission and ran both into the 10L container as I didn't know which way the flow was.

I bought a 5L pressure weed sprayer from Bunnings (less than $10) and some 6mm plastic tubing, then removed the plastic sprayer tip and placed the tubing over the tip of the metal wand, this allowed an accurate measure of oil going into the gearbox as well as fine control of the flow by using the trigger on the wand.

HTH,

Ryall

[TDV6]

The front left tyre wears more than the other three and on the outside because of the number of roundabouts we now have in suburban area's.

Ryall

[vbrab]

Not certain how it is for Discovery 3-4's but many AWD systems require that you keep all tyres same tread depth with very little tolerance across axles and they void any warranty if you turn up with Diff/trans problem and different tread depths across axles.
Something not explicit in the owner manual.

Problem for me is, nobody seems to be able to tell what the tolerance for tyre tread difference is ACROSS axles, so I could end up with a worn tyre and used tyre on same axle....which might cause problems with AWD.

Have found that good option is to hunt dowbn a 2nd spare wheel, run 6 wheels (2 spares) and do a front to back, back to spare and spare to front rotation (in pairs). Reason I favour 2 spares is that if I do a tyre , and only have 1 spare, then spare goes on, but if I do a second tyre then I would have to get a new tyre (as spare).

So I run 6 wheels, and that way I have 6 tyres to work through, all about same tread.
Keen to hear from somebvody who does know for certain.