Worn cv joint - what are the symptoms?

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Free2drive!
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Worn cv joint - what are the symptoms?

Postby Free2drive! » Sat Mar 19, 2011 10:02 am

Hi

My cv boot has split and sprayed grease everywhere!

I know I can change the boot but will probably change the cv joint.

How do I know the cv joint is worn out?

Thanks
Matt
94 turbo 150 000 miles auto.

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jtp
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Re: Worn cv joint - what are the symptoms?

Postby jtp » Sat Mar 19, 2011 3:07 pm

When my CV joints wore out there was a clicking noise when I turned the vehicle. It was loud and distinct so if you haven't heard it then I would guess your's are OK.

It wasn't too bad a job to just replace the whole CV joint. There's a bunch of stuff around here to read on it.
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Re: Worn cv joint - what are the symptoms?

Postby jtp » Sat Mar 19, 2011 8:51 pm

One more thing I thought of- I used an after market axle piece/cv joint that was visibly not as hefty and solid as the OEM parts we removed. I think the OEM part for one side of the car is 7-800 so most people go with aftermarket.

If you've got a chance to preserve the OEM parts it might be worthwhile to just re-grease the joint and replace the boot, which is also cheaper.
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Ozark Lee
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Re: Worn cv joint - what are the symptoms?

Postby Ozark Lee » Sat Mar 19, 2011 8:53 pm

Changing the boot is every bit as hard, actually more work, than just changing the axle but boots are cheaper than axles. If it isn't clacking yet there is a decent post in Bay 13 on changing the boot.

http://volvospeed.com/volvo_repairs_how ... ement.html

...Lee
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rhanke
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Re: Worn cv joint - what are the symptoms?

Postby rhanke » Sun Mar 20, 2011 5:07 pm

Would like to ask a followup question about the symptoms described, hearing the clicking noise when turning the wheel. So had been told a ways back since my boots had ripped would need new CV joints at some point so apparently I am there since have the symptoms described. Since I have had these symptoms for a while now though, am now wondering how urgent it is to get new axles/CV joints in my 97 850T5 with 160K on it? Meaning is it at least safe to continue driving it to work 30 miles a day while I explore parts/service options/prices? Or once you get to clicking symptoms are the CV joints truly on last legs and in danger of imminent failure or anything like that?

kcodyjr
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Re: Worn cv joint - what are the symptoms?

Postby kcodyjr » Sun Mar 20, 2011 6:43 pm

I drove my 1996 855 for about 20K with that clicking driving me up the wall - it was only bad when I'd step on it while turning.

I have just recently replaced them with aftermarket axles, and likely I'll now rebuild the OEMs while driving on the replacements, then stick 'em in a closet until the aftermarkets fail somehow.

From what I've told, once the boot is torn, joint failure is inevitable. That said the only time I've ever seen one let go was on 1993 Taurus. Still, it could happen, so if you're going to push your luck, make sure you've got good parking brakes and a cellphone. When it goes, the transmission will neither propel the car nor hold it still in Park.
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jtp
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Re: Worn cv joint - what are the symptoms?

Postby jtp » Sun Mar 20, 2011 9:34 pm

I drove mine with the clicking for a long time, not saying it's a good idea, just saying I did.
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Re: Worn cv joint - what are the symptoms?

Postby jblackburn » Sun Mar 20, 2011 10:01 pm

Not a great idea - the joints can seize up and explode without warning.
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Ozark Lee
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Re: Worn cv joint - what are the symptoms?

Postby Ozark Lee » Tue Mar 22, 2011 8:22 am

I noticed that my son's car had a slight clack when I last drove it a month or so before he went back to school last fall which is about 125 miles away. I honestly don't know how much he drives while he is at school but as he was trying to get home for Thanksgiving the axle blew up and stranded him. I have known about the bad boot for a couple of years and I had a new axle waiting for him to get home.

I guess the moral to the story, from my experience, is that they can survive quite a while with a split boot but once they start clacking you are on very limited time.

...Lee
'94 850 N/A 5 speed
'96 Platinum Edition Turbo
'98 S70 T5
'99 V70XC - RIP - Wrecked Parts Car.
'99 V70XC - Nautic Blue
Previous:
'96 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe

JC in Geneva
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Re: Worn cv joint - what are the symptoms?

Postby JC in Geneva » Tue Mar 22, 2011 11:25 am

Sorry about your exploding axel.....especially since you were going to repair it. Glad no one was injured.

About 18 months ago I had had a clicking noise on turning right for a couple of years but could see no cracks in the CV boots.

It finally got bad enough that I took it in to a French Volvo dealer near the house.... unhappy story follows.

It was not the CV boots or joints they said.

They proceeded to replace the steering rack ( never heard of anyone actually needing one of those on a car with only 98K).

That didn't fix the noise so they replaced the 'bevel gear' that connects the front and rear drive shafts.

We are up to about $3,500 at this point, a staggering amount above the $1,200 they quoted when I dropped it off but they tell me no less than 9 times that the car is great now and I figure well they have my car and at least the problem is fixed.

I pay them...drive to the first corner and hear the same noise!!!

Immediately return and demand a refund....nothing doing.
But we will replace it with a drive shaft from one of our old cars at cost.

When I point out that is obviously the source of the noise and that makes the other repairs not only useless but fraudulent they get a little huffy and still refuse a refund and when I ask them to replace the old parts they also refuse that as well.

They then offer to install a used drive shaft from one of their older cars for sale into my car at cost.

I say I am not really interested in putting a critical used part in my car that may only last another couple of months and ask again for a refund.

The owner of the dealership says I am being unreasonable.
And I say the owner is a thief.
He gets very angry.

I leave and drive straight to another dealer in Geneva, Switzerland, about 20 miles, the car makes the noise when turning the whole way.

They put it on a 4 pin lift and drive the car in the air with all four wheels turning and immediately point to the drive shaft as the cause of the noise. A bit odd because it doesn't make any noise driving in a straight line at any speed.

Another 1,000 bucks and it is fixed.

I send a four page fax to the CEO of Volvo in Sweden outlining every step of this process asking for a refund.

Their head PR man writes back and says that Volvo dealership is not an official dealership so they can't help.

When I send him photos of the dealership with all of the new Volvos and Volvo signs all over their Volvo dealership and ask the PR guy where are they stealing all of these new Volvos from he never bothers to answer, perhaps because this happens just as Volvo is being bought by Geely.....can only hope he was one of the first to be cut.

The moral I guess is find an honest Volvo mechanic, there are plenty of them out there, I had a great shop, Independent Volvo of Albuquerque, New Mexico.

But the other moral is to also check the Volvo forums before you take your car into the shop.

Good luck to anyone with "CV" noise but check the drive shaft as well.

regards from Geneva, Switzerland


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