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- 20 Mar 2025, 10:12
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Re: Possible Haldex Failure 2003 XC70
Its usually the angle gearbox that grinds the coupler sleeve. Unplug the haldex to stop the pump (or pull the fuse near the rear hatch),see if the noise goes away. Or drop the prop shaft to uncouple the rear end physically. Or remove the independent drive shafts at the rear wheels and unplug the hal...
- 20 Mar 2025, 17:16
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Re: Possible Haldex Failure 2003 XC70
CEM-1A64 is no communication with the haldex, mine has that because I pulled the fuse to disable the AWD, it doesn't affect anything else. CEM-1A61 might be coming from the haldex problem. CEM-1A5F, bad communication with ABS, this can cause the trans problem too, it can be as simple as a bad ABS wh...
- 20 Mar 2025, 20:12
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Re: Possible Haldex Failure 2003 XC70
The Haldex should be serviced but no one does. There is a pump and a filter in there that should be serviced. Vida should be able to read if the pump is operating and if it is running hot. If it is running hot it needs to be replaced. If the repair shop drained the fluid and it was really grey then ...
- 21 Mar 2025, 07:28
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Re: Possible Haldex Failure 2003 XC70
Mechanically these Haldex'es are very sturdy, they easily outlive the rest of the car. I've heard maybe about a couple of Haldex'es with clutches FUBAR. Pull the connector out of DEM (Haldex computer), clear the codes and see if problems go away. My DEM had a contact pad on a very small (sub 1 mm) r...
- 21 Mar 2025, 11:25
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Re: Possible Haldex Failure 2003 XC70
No, mine didn't have any grinding noises. And I would advise you to hear said noises yourself before coming to any conclusion.
I see Haldex units as low as $3xx on ebay. Replacing it is 4 easily accessible bolts once the propeller shaft is dropped.
I see Haldex units as low as $3xx on ebay. Replacing it is 4 easily accessible bolts once the propeller shaft is dropped.
- 28 Mar 2025, 00:27
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Re: Possible Haldex Failure 2003 XC70
If it does come down to a $2k repair, I'd probably just spend a fourth of that and have them pull off the prop shaft and rear CV axles entirely and run as a FWD car. I'm told you can even do that if the angle gear goes bad (just pull the angle gear as well, since the CV axles pass through it, appare...
- 28 Mar 2025, 16:18
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Re: Possible Haldex Failure 2003 XC70
I've been up to aviemore skiing in yrs past, it gets just as snowy here in northern maine, just saying you should be fine with fwd.
- 28 Mar 2025, 19:23
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Re: Possible Haldex Failure 2003 XC70
AWD Volvo with amputated driveshaft does not become FWD. It still thinks it is AWD, with consequences like terrible torque steer. Driving it like that is not a pleasure, nor is it "lighter" - it is slower in fact. I had/have both FWD and AWD Volvos, FWD drives differently than AWD with bro...
- 28 Mar 2025, 19:25
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Re: Possible Haldex Failure 2003 XC70
Thanks for the advice guys, much appreciated Garage is saying that vida is pointing them at the haldex being the problem and that they'll unplug the haldex and pull the prop shaft. They're suggesting sorting out the haldex is a bit of a pain, so I'm thinking that if the car is happy without the hal...
- 29 Mar 2025, 16:33
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Re: Possible Haldex Failure 2003 XC70
Fascinating thing, I heard a lot about torque steer before driving for a while w/o my shaft, but I didn't find it to be really much of an issue. Don't know how this suggests my car might be broken.
Or maybe I'm not just sporty enough in my driving. I thought it was fine.






