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Old 01-28-2010, 11:20 PM   #1
hellraiser
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Member#: 115957
Join Date: May 2006
Chapter/Region: TXIC
Location: The Woodlands, TX
Vehicle:
2005 WRX Stage 1
WR Blue

Default New CV Joints or just CV Boots???

I am curious if anyone can recommend if I should change the whole Axle Drive Shaft or if I should just change the CV Boots? I know that the passenger side has been cracked for a while and just noticed the driver side is cracked also. I don't have any noise when turning in either direction, but don't want to change just the boot and risk running into problems later. I have ~125k miles and don't think the CV Joints have been replaced yet...least not that I can remember. Any help is appreciated.
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Old 01-29-2010, 09:04 AM   #2
doobie
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Location: Dunedin, FL
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04 WRXSW
9.3 TRB0 CNV

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I replaced the whole axle. A lot easier and pretty cheap for re manufactured ones.
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Old 01-29-2010, 09:11 AM   #3
NRTmotorsports
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'13 BRZ

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Quote:
Originally Posted by doobie View Post
I replaced the whole axle. A lot easier and pretty cheap for re manufactured ones.
Yeah I would agree with changing the whole axle. Its way easier, faster and a lot cleaner. Replacing the joint is a messy job, not much fun.
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Old 01-29-2010, 09:37 AM   #4
ein86
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If you have a free day and it's not making any noise, I'd just replace the boot. I rebuilt mine the week before an HPDE and it's still fine 1.5 years later, and that boot (inner passenger side of course) was split for a long time before rebuilding. Messy? Gloves and soap... Tear it apart, clean everything, inspect everything and then decide if you need to replace the whole axle or not... Its not that bad of a job.
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Old 01-30-2010, 10:53 AM   #5
hellraiser
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Thanks for the info.
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Old 01-30-2010, 12:08 PM   #6
txl146
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Junior Tuned 301whp

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FYI - new axle costs only around $70 from advance auto part. I just replaced rear one.
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Old 02-01-2010, 10:49 PM   #7
silver2004impreza
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2004 Impreza 2.5TS
2004 Outback sedan H6

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I always encourage people to replace the entire axle. I had a customer once insist that I only replace the boot (since the boot was $12, and a remanufactured axle for his car was something like $150) even though it had been cracked long enough for the joint to click not only around corners but when driving in a straight line as well, so I replaced the boot, repacked the joint with new CV axle grease, put fresh clamps on it, basically doing everything that had to be done to replace the boot. I told him that the joint had probably been damaged from running dry as long as it had, but he didn't seem to care. Three days later his car came back on a tow truck with a broken axle. Turns out the joint had failed internally and separated, although the boot didn't tear. When I took it apart, the bearing cage had broken and there was little bits of metal in the grease.

So, rather than spent $150 on a reman axle plus $90 installation (1 hour labor at that particular shop), he wound up paying $12 for the boot, $140 to install the boot, $150 for a reman axle (when the joint failed), $90 for installation of said axle, plus whatever the tow bill came to.

He's the reason why I ALWAYS recommend replacing the entire axle, not just the boot.
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Old 02-02-2010, 10:07 AM   #8
crampfan
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If the boot is torn (leaking grease) replace the axle, if it is cracked (not leaking grease) replace the boot. Most aftermarket axles have a lifetime warranty also.
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