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leaking cv boot repaired, will she live or die? #4755779
05/13/18 09:41 AM
05/13/18 09:41 AM
Joined: Jan 2017
Posts: 647
Melbourne, Florida
RichardS Offline OP
RichardS  Offline OP
Joined: Jan 2017
Posts: 647
Melbourne, Florida
I posted a few weeks ago about some unknown goo leaking behind my driver side tires.

It was quickly identified as cv grease leaking from the inner cv boots.

After some careful inspection, it seemed to be spinning out from where the boot meets the inner axle joint. Seeing as the boots werenít cracked or broken, I pushed off repairing them until I had a weekend to devote to it.

Fast forward to earlier this week, and I happened to hear a single clunk while backing out of a parking space with the wheel car to one side. So this weekend was as good as any.

I don really have the tools, or patience, to remove the cv axles to replace the boots, and itís a violation of my apartment lease to perform such a repair anyway. So I went the route of separating the boot, letting the old grease drain out (it was thicker than dish soap, but thinner than pudding), before pumping new grease into the joint, and filling the boot, before clamping it back onto the cv joint. While not the best job, I did my best to se a grease gun to force what I could into the joint.

Drivers side had 3-4oz of grease in it, the passenger side was dry, except for the little big coating the parts under the boot.

No more clunk when steering hard to the left, and so begins the death watch to see if I did enough to get some added mileage or of them.

Starting mileage: 119,xxx


Last edited by RichardS; 05/13/18 09:48 AM. Reason: Clarified post

2011 Prius II

2012 GLK350
Re: leaking cv boot repaired, will she live or die? [Re: RichardS] #4755786
05/13/18 09:45 AM
05/13/18 09:45 AM
Joined: Oct 2010
Posts: 9,251
Virginia Beach
Astro14 Offline
Astro14  Offline
Joined: Oct 2010
Posts: 9,251
Virginia Beach
Wait... what lease would you be violating to repair this? Your apartment/house? Not the car lease, right?

The clunk could easily be a strut mount or balljoint, and your grease job made no difference in that case.

CV joints require a particular grease, with very high moly, so if you drained out the old grease and replaced it with something else, then the clock is ticking... and if it was the CV joint that was clunking, well, you might be too late with the repair, and the clock is ticking.

I have had terrible luck with rebuilt axles. They're all poorly done and the boots don't last.

So, if this axle is still good after a few months, get it rebooted. Or replace it with a new one.

Last edited by Astro14; 05/13/18 09:48 AM.

32 Packard 15W40
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 5W30 Pennzoil Ultra
Re: leaking cv boot repaired, will she live or die? [Re: Astro14] #4755789
05/13/18 09:49 AM
05/13/18 09:49 AM
Joined: Jan 2017
Posts: 647
Melbourne, Florida
RichardS Offline OP
RichardS  Offline OP
Joined: Jan 2017
Posts: 647
Melbourne, Florida
My apartment, yes.

Iím not even supposed to be changing my own oil, but as long as I donít make it a giant ordeal, the on-site maintenance guy will look the other way (and then I donít have to report him for all the auto repair he does in our shared parking area)


2011 Prius II

2012 GLK350
Re: leaking cv boot repaired, will she live or die? [Re: RichardS] #4755792
05/13/18 09:54 AM
05/13/18 09:54 AM
Joined: Jan 2017
Posts: 647
Melbourne, Florida
RichardS Offline OP
RichardS  Offline OP
Joined: Jan 2017
Posts: 647
Melbourne, Florida
I am aware they require a specific grease, an Valvoline sells one that they say is safe in a cv joint, and it happens to come in a grease gun ready tube.

The front strut assemblies are both less than a year old. It could be a ball joint which decided to start behaving after I greased the boots. But seeing as both boots were almost completely dry, they needed to be addressed regardless.

Assuming my little $10 repair seems to hold up for 6 months, I plan to have the re-booted. The local CV shop only charges $130 a side. That said, Iíll happily spend $10 to see if I can avoid paying $260, plus taxes and fees.


2011 Prius II

2012 GLK350
Re: leaking cv boot repaired, will she live or die? [Re: RichardS] #4755806
05/13/18 10:07 AM
05/13/18 10:07 AM
Joined: Dec 2013
Posts: 3,989
Manchester, England
Olas Offline
Olas  Offline
Joined: Dec 2013
Posts: 3,989
Manchester, England
It's possible that the band clamp/cable tie/boot clamp securing the gaitor to the shaft failed and you spotted the problem early, so its possible that the joint could survive, but then again IME once you hear a CV make a noise it's only a matter of time until it fails.

If its definitely not a damaged boot then repacking it and securing the boot should buy you some time - if it were me I'd order up a new joint and have it ready and waiting for a free weekend on the basis that it's better to lose a few hours to maintenance than to lose a few hours stranded at the side of the road


Cable ties should hold it
Re: leaking cv boot repaired, will she live or die? [Re: RichardS] #4755831
05/13/18 10:42 AM
05/13/18 10:42 AM
Joined: Jan 2017
Posts: 2,217
VW Fanboy Island
maxdustington Offline
maxdustington  Offline
Joined: Jan 2017
Posts: 2,217
VW Fanboy Island
Originally Posted By: RichardS
Assuming my little $10 repair seems to hold up for 6 months, I plan to have the re-booted. The local CV shop only charges $130 a side. That said, Iíll happily spend $10 to see if I can avoid paying $260, plus taxes and fees.


You are going to ruin your CVs trying to save a buck. Why not just get them rebooted as soon as you noticed the problem?
They might be not worth rebuilding in six months, $10 hackjob notwithstanding.


03 Jetta AWP/09A 205k kms
Edge 0W40 + Mann 719/30
Re: leaking cv boot repaired, will she live or die? [Re: RichardS] #4755931
05/13/18 12:14 PM
05/13/18 12:14 PM
Joined: Feb 2014
Posts: 595
Margate England
Claud Offline
Claud  Offline
Joined: Feb 2014
Posts: 595
Margate England
It's a simple enough job to remove the axle shaft. And the right tool and clips can be bought cheap. Do get some protective gloves though if you're going to do it yourself.
The CV joint is most unlikely to suddenly fail, it will give you ample and clear warning all is not well long before it will break.

Claud.

Re: leaking cv boot repaired, will she live or die? [Re: RichardS] #4755945
05/13/18 12:36 PM
05/13/18 12:36 PM
Joined: Sep 2004
Posts: 7,912
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,912
Marshfield , MA
Yah, Typically CV joints get noisier and noisier.. If they're are quiet they are good. The last one I changed was clanking like a loose wheel. E 28 rear axle shafts are easy to re-boot. Super messy but easy.


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: leaking cv boot repaired, will she live or die? [Re: RichardS] #4755959
05/13/18 12:55 PM
05/13/18 12:55 PM
Joined: Dec 2011
Posts: 5,300
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 5,300
North Carolina
I rebooted an inner CV joint on an Audi once that had NO boot and ZERO grease.

Worked just fine. Is probably still going strong.


"Zed's dead baby, Zed's dead."
Re: leaking cv boot repaired, will she live or die? [Re: RichardS] #4756003
05/13/18 01:48 PM
05/13/18 01:48 PM
Joined: Jan 2017
Posts: 647
Melbourne, Florida
RichardS Offline OP
RichardS  Offline OP
Joined: Jan 2017
Posts: 647
Melbourne, Florida
That they get progressively louder as they reach a failing point means Iím not particularly stressed. [censored], the passenger side contained so little grease, there wasnít even enough to ooze out like the drivers side did. Iím not likely to be unknowingly stranded on the side of 192. I bought this car off a little old lady for almost nothing, and have my sights firmly on a Prius when I get my end-of-summer bonus.

Maxdustington,
Iím not sure Iíd go with rebuilt. Theyíre all cardone units, and cardone doesnít seem to get much love. $350 for a set of new acdelco, plus the labor for a local shop to toss them on wonít hurt my feelings. These boots were leaking, at least the pssengerside, when I bought it. I just couldnít identify where the strip of goo along the underside of the hood was coming from until I replaced the wheel hubs.


2011 Prius II

2012 GLK350
Re: leaking cv boot repaired, will she live or die? [Re: RichardS] #4756029
05/13/18 02:29 PM
05/13/18 02:29 PM
Joined: Mar 2008
Posts: 7,535
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,535
USA
Are these for the 2003 Century listed in your sig? Get the OEM axles since they are still available for your car smile

Re: leaking cv boot repaired, will she live or die? [Re: RichardS] #4756034
05/13/18 02:39 PM
05/13/18 02:39 PM
Joined: May 2012
Posts: 2,114
The land of USA-made Subies!
SubieRubyRoo Offline
SubieRubyRoo  Offline
Joined: May 2012
Posts: 2,114
The land of USA-made Subies!
I know this is the "hard line" method, but the only Subaru dealer I trust to touch my car other than me recommends ONLY replacing the entire axle assembly when there is a torn boot. Reason being, unless you check under the car EVERY SINGLE DAY for a torn boot, by the time you find it is torn, there is some kind of contamination in the grease/joint that you will not be able to remove. So, they will only replace the entire axle, which realistically, costs about the same book time as a repair, and is permanent. Most axles are around $150/each, is your safety really worth only $140? Replace the axle and never worry about it again for another 100k miles. Preventative safety is cheap; repair safety after your axle breaks and you hit something hard when the wheel locks up and sends you into a median or other car is not.

Re: leaking cv boot repaired, will she live or die? [Re: rooflessVW] #4756072
05/13/18 03:25 PM
05/13/18 03:25 PM
Joined: Aug 2004
Posts: 20,351
CA
The Critic Online crying
The Critic  Online Crying
Joined: Aug 2004
Posts: 20,351
CA
Originally Posted By: rooflessVW
I rebooted an inner CV joint on an Audi once that had NO boot and ZERO grease.

Worked just fine. Is probably still going strong.


If the joint is quiet and the components show no signs of visible wear upon disassembly, it should be safe to reboot. However, worn (but quiet) cv joints can sometimes produce vibration issues at high speed (during cruise), and without a proper road test this can go unnoticed. It does not make sense to re-boot cv axles that already vibrate.

Originally Posted By: SubieRubyRoo
I know this is the "hard line" method, but the only Subaru dealer I trust to touch my car other than me recommends ONLY replacing the entire axle assembly when there is a torn boot. Reason being, unless you check under the car EVERY SINGLE DAY for a torn boot, by the time you find it is torn, there is some kind of contamination in the grease/joint that you will not be able to remove. So, they will only replace the entire axle, which realistically, costs about the same book time as a repair, and is permanent. Most axles are around $150/each, is your safety really worth only $140? Replace the axle and never worry about it again for another 100k miles. Preventative safety is cheap; repair safety after your axle breaks and you hit something hard when the wheel locks up and sends you into a median or other car is not.


It is very rare to find OE axles for the price you described. If this is true for a Subaru, then it is a steal. Toyota/Honda/Nissan axles only come new and they are often in the $500-$800 range, per axle. As previously mentioned, if the joints are quiet and do not display any obvious signs of wear, re-booting is a viable option.


2011 Toyota Prius - 181k - M1 EP/EP HM Mix 0W-20
2007 Honda Accord 2.4 - 134K - Mobil 1 EP HM 5W-30
Re: leaking cv boot repaired, will she live or die? [Re: RichardS] #4756074
05/13/18 03:27 PM
05/13/18 03:27 PM
Joined: Jan 2017
Posts: 647
Melbourne, Florida
RichardS Offline OP
RichardS  Offline OP
Joined: Jan 2017
Posts: 647
Melbourne, Florida
Slacktide,
They are! That is my plan, if they have to be replaced. I think it was Trav (heís the German master mechanic, yeah?) that mentioned the half shafts that are on there are probably better quality than some new Chinese joint, and that replacing a cracked boot, which was suspected st the time would be a better approach.

Subie,
I donít think thatís too ďhard lineĒ, it makes little sense to remove a half shaft just to put on a new boot. Itís been removed, the hard work is done, just replace with a new one. As mentioned above, itís be about $370 to buy my own parts, and then the labor to put them on. All that said, if I can stay out of my emergency fund, and get the last bit of life I need from this car, Iím going to give it the old college try.


2011 Prius II

2012 GLK350
Re: leaking cv boot repaired, will she live or die? [Re: RichardS] #4756177
05/13/18 05:37 PM
05/13/18 05:37 PM
Joined: Sep 2004
Posts: 7,912
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,912
Marshfield , MA
You have rescued them and now they will outlast the car. The CV joint went 100K before the boot failed again. By then I had a few parts cars and just put in a used joint that still had intact boots.


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
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