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V8 S80 clunking noise and tracs light on (Video)

Help, Advice, Owners' Discussion and DIY Tutorials on the third generation Volvo V70 wagon and XC70 crossover, and second generation S80. Are you an owner? Prospective owner? Get in here and join us! Start a new topic or comment on an existing thread.

2008-2016 V70
2008-2016 XC70
2007-2016 S80

Volvovlo
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V8 S80 clunking noise and tracs light on (Video)

Post by Volvovlo » Fri Jul 13, 2018 7:31 pm

My S80 drove perfectly yesterday as always, got me home with no sign of trouble at all.

Today I didn't even make it out my driveway and a loud clunking noise appeared, along with the tracs light that comes and goes. I really don't understand how it happened so suddenly, working fine yesterday, being parked up overnight and it appears within about 3 seconds of driving this morning. It sounds like its coming from the front passenger side (drivers side for people in the US) where the gearbox is. I jacked up the car but all the rubber gators look fine around the CV's etc and there's no oil or anything on the ground, could it be the gearbox? The noise happens in a straight line, around corners, going forwards or going backwards, but doesn't happen when creeping, only with light acceleration and at slow constant speeds. I haven't tried going faster than about 10 kph. I heard these gearboxes are prone to issues (I don't know what issues) but this one doesn't even have 90,000 km on the clock yet (56k miles), does this sound like a major issue or a minor one? Video attached.

p.s, the engine light has been on for two years, I don't think this has anything to do with this. But that's another problem for another day.

Thanks!!

https://youtu.be/uconjtxhiSc



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oragex
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Re: V8 S80 clunking noise and tracs light on (Video)

Post by oragex » Sat Jul 21, 2018 7:42 am

Is it AWD? (not sure if all V8 are)

If so, I would first look into the awd because most other issues with anti-skid would not make noises (to my knowledge)

Maybe also look at the axle bolts (wheel center) see if they are all tight.


2003 2.4i S60 automatic 125k miles
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StupidS80
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Re: V8 S80 clunking noise and tracs light on (Video)

Post by StupidS80 » Tue Nov 13, 2018 12:17 pm

Mine does the exact same thing! Took it to the dealer and they say it's the cv axle. My front end started making a grinding noise backing out of the driveway, then while driving forward would thump til I hit the breaks, it does a slight scraping sound while driving but brakes are good. Also if I don't turn off my stc while driving it goes into limp mode til I turn it off. Weird but if any of this sounds familiar the axle might be the issue. I haven't fixed it yet since I don't drive it far distances, also I'm not trusting that my issue is the axle.



Volvovlo
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Re: V8 S80 clunking noise and tracs light on (Video)

Post by Volvovlo » Tue Nov 13, 2018 12:24 pm

Had this fixed ages ago, turned out to be a faulty tone wheel for the abs. Had that replaced and has worked perfectly since



StupidS80
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Re: V8 S80 clunking noise and tracs light on (Video)

Post by StupidS80 » Tue Nov 13, 2018 12:35 pm

Oh sorry lol I forget a lot of the threads are older. That's what the dealer first told me then said the axle and bcm to the tune of $3500 I think i'll have the ring changed and see what happens, thanks.



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