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S80 '06-'16 / V70 & XC70 '07-'16 General Forum for the P3-platform S80 and 70-series models |
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Rear Diff change (4 wheel drive service required)Views : 362 Replies : 2Users Viewing This Thread : |
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Feb 5th, 2024, 21:13 | #1 |
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Last Online: May 15th, 2024 07:59
Join Date: Mar 2012
Location: Dover
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Rear Diff change (4 wheel drive service required)
2010 Volvo XC70 D5 Manual. Bought this car with really loud rear differential whine. I bought a 2nd hand diff with the same part number and got my local garage to change it for me. New diff is quiet but is throwing up a 4 wheel drive not functioning service required code. Do I need to do some sort of reset through Vida or is the Haldex pump on this diff knackered. Before the garage changed them over I did a service on the Haldex (new filter & oil) which went smoothly.
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Feb 5th, 2024, 21:59 | #2 |
Register Keeper - S80, P2, and P3
Last Online: Today 05:49
Join Date: Feb 2013
Location: North Yorkshire
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When you had the diff swapped did this include the DEM. If so be worth putting your original one back on but ideally Vida would show you where the fault lies. I’m just thinking the car may not recognise the new diffs DEM if it was fitted as an entire unit.
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Feb 6th, 2024, 12:07 | #3 |
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Last Online: May 15th, 2024 07:59
Join Date: Mar 2012
Location: Dover
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Didn’t think of that
Just read up on the DEM, didn’t know about this little box of electronics & changing it with the original makes perfect sense. Luckily I kept the original Diff for when this 2nd hand one gets noisy to have it reconditioned so I’ll swap it over. Looks straightforward enough. Thanks 🙏
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