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Symptoms of a Failed half-shaft

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.
1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
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1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
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jdm1
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Year and Model: 2000 XC70
Location: Richmond, Virginia

Symptoms of a Failed half-shaft

Postby jdm1 » Sat May 01, 2010 1:19 am

Is there a quick and dirty method to tell if half-shafts have failed. Car is '00 XC70. I pulled out of the driveway and started down the street, heard some grinding that increased and decreased with speed and seemed to come from the drivers side then the car quit moving. Put it into reverse and moved about 10 feet then nothing. No lights and no codes. The prop shaft is not installed. I am hoping it is a failed half-shaft and not the transmission. Transmission was flushed about 3-4 weeks ago. I inherited this car with 160,000 miles on it and not all service records. Thanks in advance.

John
John
2000 XC70
1992 965
1988 240

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Re: Symptoms of a Failed half-shaft

Postby Brazuca_ny » Sat May 01, 2010 1:29 am

dude check out the DO NOT FLUSH your trani threads, it might give you chills down your spine.
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jdm1
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Joined: Wed Feb 24, 2010 5:28 pm
Year and Model: 2000 XC70
Location: Richmond, Virginia

Re: Symptoms of a Failed half-shaft

Postby jdm1 » Sat May 01, 2010 1:37 am

I did the flush in my driveway based on info from the site. I am really hoping the trans is not toast.
John
2000 XC70
1992 965
1988 240

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Re: Symptoms of a Failed half-shaft

Postby Craigd2599 » Sat May 01, 2010 2:04 am

try a quart of Lucas oil trans additive
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Re: Symptoms of a Failed half-shaft

Postby JDS60R » Sat May 01, 2010 2:23 am

Could be a bearing hub at the wheel.
Is fluid level in trans correct?
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jdm1
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Re: Symptoms of a Failed half-shaft

Postby jdm1 » Sat May 01, 2010 2:27 am

Trans fluid is at correct level thanks. Would a bearing hub cause no movement? How can I tell if it is the hub? Sorry for all the questions I am new to fwd!

John
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2000 XC70
1992 965
1988 240

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Re: Symptoms of a Failed half-shaft

Postby JDS60R » Sat May 01, 2010 2:56 am

The hub could casue no movement if it failed drastically.
Jack up the driver side and see if you can feel any play in the bearing and if you can move the wheel at all.

If you can put the front wheels in the air then see what happens when you put the trans into gear. You should be able to hear where the friction is coming from.

Having the car run while up in the air is a technique for the mechanically inclined. Safety is a huge factor in this test. If you have any question on if you can perform this safely then don't. As a repalcement test put the front wheels in the air, trans in neutral and engine off. The turn the wheels by yourself and see what you hear.

Let us know what you found. Be Safe
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jdm1
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Joined: Wed Feb 24, 2010 5:28 pm
Year and Model: 2000 XC70
Location: Richmond, Virginia

Re: Symptoms of a Failed half-shaft

Postby jdm1 » Sat May 01, 2010 3:21 am

Will do this Sat and let you know.
John
2000 XC70
1992 965
1988 240

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jdm1
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Joined: Wed Feb 24, 2010 5:28 pm
Year and Model: 2000 XC70
Location: Richmond, Virginia

Re: Symptoms of a Failed half-shaft

Postby jdm1 » Sun May 02, 2010 6:55 pm

Car 2000 xc70 driveshaft removed before I got car appoximately 160,000 miles. OK, I put the car on jackstands and put it into reverse today and the drivers side wheel begain to turn the passenger side did not turn but when I spun it by hand it begain to rotate. With the car off rotating one front wheel causes the opposite wheel to rotate in opposite direction(kind of expected this but trying to give all the information since I am new to FWD.). When the car is drive no tire rotation on either side. It does seem like I am getting a grinding sound from the drivers side of the car when drive is engaged, but again, no wheel movement and I can turn the wheels by hand. Any an all suggestions and advice appreciated this is wife's DD so the faster and cheaper this repair is the better. I did the transmission flush per site directions about 2 weeks ago.

John
John
2000 XC70
1992 965
1988 240

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Re: Symptoms of a Failed half-shaft

Postby claymore850 » Mon May 03, 2010 4:08 am

If your noise increased with your speed, try at 55 mph put a little pressure on the brakes, to change the charge on the wheels, this way you can test if your noise is comming from a brake pad.... but if you hear some whow whow whow!!! who increased with your speed changes, you have to replace the bearing hubs (Its one part complete hub+bearing)...

When you turn at low speed and you hear a trac trac trac.....noise, you front CV axle needs to be replaced..


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