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XC90 '02–'15 General Forum for the P2-platform XC90 model

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Inside Diff pic's

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Old Jun 12th, 2018, 16:19   #1
SwedeXC90
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Default Inside Diff pic's

Had to replace the diff on my 2004 XC90 T6 a few months ago as it was making a (very load) racket so pulled the old one down to see what was inside. Interesting diff and the AOC Haldex set up is very cool. Noise was due to worn tapered roller bearings - side bearings were bad but suspect the pinion bearings were the main culprit but was too hard to press out so couldn't see the bearing surfaces to confirm.

Note re oil changes for the diff. It is a long discussed point about Volvo not putting either the diff or the AOC oil in their service regime but I am fairly confident this whole thing would have been avoided if it had an oil change at say 100,00 Km's. There car had done 280,00 km's before the diff needed replacing and so a good effort but no oil is going to last that long. I did the diff oil when I got the car at 230,00km's but I am guessing the damage had been done by then. I did the chain gear and the angle gear at the same time.

So, get changing the oil's!
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Old Jun 13th, 2018, 04:56   #2
aslan
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This is a job I've been putting off. Really need to do this. I have 193k km on mine.

Any guide on changing the diff oil? Can it be done without jacking the XC90?
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Old Jun 13th, 2018, 21:05   #3
Father Ted
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Plan to do my diff oil before going to Netherlands in a few weeks. Is it the same oil as transfer case? What volume of oil to use?
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Old Jun 15th, 2018, 10:30   #4
SwedeXC90
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This is a link to the best write up of changing fluids including the diff and transfer case I have seen from Mathews Volvo site so have a look at this for instructions and volumes:https://www.matthewsvolvosite.com/fo...p?f=10&t=64335

And another ink that has some useful information on the topic.

https://www.matthewsvolvosite.com/fo...ic.php?t=45037
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Old Jun 18th, 2018, 02:02   #5
aslan
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Anyone know in which section of VIDA where they say to withdraw 100 ml of oil after filling it up to the filler hole?

Can't seem to find anything in VIDA about refilling the rear diff and angle gear.
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Old Jun 18th, 2018, 06:36   #6
aslan
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Default Old oil at 193k km

Did the rear diff oil today.

Old oil



New oil



Next task, angle gear and AOC!
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