Quote:
Originally Posted by Piskie
Wonder if you or anybody can help. I have a 2004 D5 XC90 with AWD problems. I had the car plugged into VIDA and it came back with a code faulty communication code with the DEM. I've had the DEM repaired by lukas at volvodignostics and the rear diff has had a new pump, filter and transmission oil, but still no AWD. The DEM code was cleared.
I suspected that it might be the splined sleeve in the transfer box and I've tried turning the prop with all four wheels on the ground and the prop spins freely. Also I've had the car up on a lift with all four wheels off the ground, put the car in drive, the front wheels spin but the rear wheels do not, and the prop does not turn.
I've just come back from the garage now and they have said that after clearing the DEM code, they took the car for a drive and it threw the code again.
So I have a few questions to try and help me determine whether it is the splined sleeve or an electronic issue. (1) is the transfer from the angle gear a direct drive or it it clutched ? (2) if the DEM is working and splined sleeve is worn would this throw a DEM communication code when the AWD doesn't engage ? (3) are there any other electrical issues that would throw the DEM code ? I don't have any other fault codes other than a boost pressure issue, but that's not related.
If anybody can help I'd really appreciate it. I've already thrown around £1200 at this issue and I'm no further forward. Starting to get desperate now !!!
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Sounds like your angle gear has stripped the spline if the prop turns freely.
There is a Volvo kit to repair, if your lucky there is no other damage.