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Is200 Diff And Gearbox Oil Change


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Hi everyone,

I was thinking about taking my Lexus IS200 to the Lexus dealer and getting the differential and gearbox oils changed.

The car is coming up to 10 years old and I have noticed that in the service manual it does state that these should be changed at a set frequency.

Has anyone bothered to have theirs done and is it worth doing?

Benefit I guess is less wear and smoother gear change and no doubt the old oil would be pretty sludgey.

Many thanks

Wayne

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I had the 10-year service package done on my car by Lexus in Wolverhampton. Cost me about £260.

From memory, the service replaced the following fluids:

- Engine oil

- Brake fluid

- Coolant

- Gearbox & Diff oil

- Air filter & oil filter

- and a few other bits and pieces

I was greeted by a lady in the service reception called Madeline I think? She quoted me that price.

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Yeah, I have done my own changes on axle and gearbox, first time I did them at 20k a few years ago... there was a fair bit of production swarf sticking to the magnetic plug on the axle and a small quantity from the gearbox (Can't remember if the drain plug is magnetic) Re did the axle at 30k but no more swarf so It was worth doing.... Think the changes are every 20k, easy job and helps maintain the reliabillity of these components.... Just 'cos you can't feel any difference doesn't mean it isn't worth doing....

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Asked my local independent to change my gearbox and diff oil at 60K miles. They changed my gearbox oil but said the diff oil was like new, so left it.

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Definitely worth doing. I did mine at 80K km (50K m). I did use better oil than what your garage would use so I noticed quiet a big difference. Made it much smoother.

If you can be bothered get your hands on some Redline MT-90 75w90 for the gearbox & 80w140 for the diff from Opie oils

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Definitely worth doing. I did mine at 80K km (50K m). I did use better oil than what your garage would use so I noticed quiet a big difference. Made it much smoother.

If you can be bothered get your hands on some Redline MT-90 75w90 for the gearbox & 80w140 for the diff from Opie oils

Do you have LSD? I have heard you can put the same oil in the box and the diff you do NOT have LSD....but LSD requires a different oil to the box?

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Yes I have an LSD so I run 80w140 rather than 75w90. I don't know that I'd run MT-90 in the diff, it's primarily designed for manual trans being a GL4. Redline do make a GL5 75w90 for diffs.

You can run a GL4/5 75w90 like Motul Molygear or Fuchs Titan Gear Syn in the trans & diff. It may save you a few quid but it doesn't offer the same level of protection as a fully synthetic product like Redline or Amsoil (still it's going to be better than what most garages would use I'd say).

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