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CV joint boot grease leakage
96 EX Accord w 150k miles. On right inner & outer & left inner cv
joints there is a grease leak from the ends of the boots. Boots are good & the boot clamps look ok. Why/how is grease getting out? No typical bad cv joint symptoms yet. Garage recommended new half axles - apparently nobody changes just boots anymore because of the labor costs. Before I go that route I'll get a lot more miles out of these - at least until they start clicking. I've not heard of grease leaking from good joints/boots. It's the vertical sling out pattern on the facing & backing surfaces & right where the boot/clamp there is seepage. Any ideas? |
Re: CV joint boot grease leakage
KR <ker1ker@gmail.com> wrote in news:53378197-c16d-4d93-bbbf-090f30408ec2
@r60g2000hsc.googlegroups.com: > 96 EX Accord w 150k miles. On right inner & outer & left inner cv > joints there is a grease leak from the ends of the boots. Boots are > good & the boot clamps look ok. Why/how is grease getting out? No > typical bad cv joint symptoms yet. Garage recommended new half axles > - apparently nobody changes just boots anymore because of the labor > costs. Before I go that route I'll get a lot more miles out of these > - at least until they start clicking. I've not heard of grease > leaking from good joints/boots. It's the vertical sling out pattern > on the facing & backing surfaces & right where the boot/clamp there is > seepage. Any ideas? > Aftermarket shafts with insufficiently tightened boot bands. The shop can replace the bands without removing the shafts from the vehicle. Should be a quick and cheap fix. The shafts may go a long time yet even with a lesser amount of grease in the joints, so it's definitely worth a try before replacing the shafts. -- Tegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: CV joint boot grease leakage
If grease is leaking from the boots, failure is likely not
far away. You don't want them failing when you are driving down the highway. How long they'll last is hard to say, but point is, you want some peace of mind. Your garage is right about just replacing the half-shafts. Reason: "Simply" re-packing is expensive, because the tech first has to take off the half shaft, then remove the boot, then thoroughly clean (and CV joint grease is about the thickest grease-based lubricant you'll see on a car), then re-pack. Major time in labor. Also, rebuilt half-axles have become plentiful, forcing down their price. IIRC boot quality has improved since 1996, so this may be the last half shaft replacement the car needs. To see how competitive your shop is, check prices for half shafts for your Accord at Majestic Honda (probably around $150 per half-shaft), Napa Auto Parts and Autozone (closer to $75 per half-shaft). Insist on OEM from your garage, though that may be automatic, since one half shaft from one model of Honda does not exchange generally with that of another model. Compare prices. Figure labor of a couple hours? That's a rough ballpark. Lots here have done the job, so check back for how long they think this should take. I disassembled a CV joint a year or so ago in an automotive course, then reported on current practices and the thinking behind them for repairing CV joints. Elle Original owner, 1991 Civic "KR" <ker1ker@gmail.com> wrote > 96 EX Accord w 150k miles. On right inner & outer & left > inner cv > joints there is a grease leak from the ends of the boots. > Boots are > good & the boot clamps look ok. Why/how is grease getting > out? No > typical bad cv joint symptoms yet. Garage recommended new > half axles > - apparently nobody changes just boots anymore because of > the labor > costs. Before I go that route I'll get a lot more miles > out of these > - at least until they start clicking. I've not heard of > grease > leaking from good joints/boots. It's the vertical sling > out pattern > on the facing & backing surfaces & right where the > boot/clamp there is > seepage. Any ideas? |
Re: CV joint boot grease leakage
"Elle" <honda.lioness@nospam.earthlink.net> wrote in news:13mlglrst7vac79
@corp.supernews.com: > If grease is leaking from the boots, failure is likely not > far away. You don't want them failing when you are driving > down the highway. How long they'll last is hard to say, but > point is, you want some peace of mind. OP should ascertain if the boots are split or not. When I read his message I gathered it was leaking from the boot/band join, which is different from leaking due to a split in the boot. So, to elaborate: If the boots are split, replace the shafts. If the boots are leaking because the bands are insufficiently tight, replace the bands only. And to the OP: CV joint boots split with regularity if not examined once in a while. -- Tegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: CV joint boot grease leakage
"Tegger" <tegger@tegger.c0m> wrote
> "Elle" <honda.lioness@nospam.earthlink.net> wrote >> If grease is leaking from the boots, failure is likely >> not >> far away. You don't want them failing when you are >> driving >> down the highway. How long they'll last is hard to say, >> but >> point is, you want some peace of mind. > > > > OP should ascertain if the boots are split or not. > > When I read his message I gathered it was leaking from the > boot/band join, > which is different from leaking due to a split in the > boot. I think we should see what KR says about the halfshafts' history. KR, did you buy this car new or used? If new, has any work been done on the halfshafts before the boots started leaking? If used, have you any of the cars' maintenance and repair history? If I were the tech working on this car, then I would hesitate to just tighten up the boot bands. It's said that ingress of dirt of any kind into the CV joint grease leads to failure. Maybe if I'd seen more reports of just tightening working fine, I'd go with this fix. But it sure does not come up here much, if at all. OTOH, since clicking (outer joints) and clunking (inner joints) normally present before full failure, your approach might be worth a try. Whether a shop will agree to do only this is another matter. I guess they might. > So, to elaborate: If the boots are split, replace the > shafts. Aside: I was reading at your site a little while ago on this, to see if we were of the same thinking. Have you changed your position about changing only the boots when the boot splits but the joint seems fine? Not that I am presenting myself as experienced as you. Just an observation. |
Re: CV joint boot grease leakage
"Elle" <honda.lioness@nospam.earthlink.net> wrote in
news:13mlihj5i1gpm2c@corp.supernews.com: > > If I were the tech working on this car, then I would > hesitate to just tighten up the boot bands. It sometimes happens (only on aftermarket) that the bands are insufficiently tightened. When that occurs it's not like the boots are loose the way your sleeve is on your arm, but that they're loose just enough to be unable to keep violently flung grease from being flung out the tiny gap. The gap is far too tiny to allow dirt or water to enter, but is just enough to allow grease to leave. In such a case it is standard operating procedure to simply replace the bands and make sure the new ones are sufficiently tight. However, as I said, my advice was based on a possibly faulty reading of the OP's description of the problem. If, and only if, there are no visible splits in the boot, should the bands be replaced. A professional tech should be able to tell the difference between a split boot and loose bands. > > Aside: I was reading at your site a little while ago on > this, to see if we were of the same thinking. Have you > changed your position about changing only the boots when the > boot splits but the joint seems fine? Where do I say that? If that appears anywhere I'd better get rid of it. My opinion has always been that if the boots have been split for an unknown length of time under unknown conditions that the joint should be replaced. -- Tegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: CV joint boot grease leakage
"Tegger" <tegger@tegger.c0m> wrote in message news:Xns9A0CBEF397FA2tegger@207.14.116.130... > "Elle" <honda.lioness@nospam.earthlink.net> wrote in > news:13mlihj5i1gpm2c@corp.supernews.com: > > >> >> If I were the tech working on this car, then I would >> hesitate to just tighten up the boot bands. > > > > It sometimes happens (only on aftermarket) that the bands > are > insufficiently tightened. When that occurs it's not like > the boots are > loose the way your sleeve is on your arm, but that they're > loose just > enough to be unable to keep violently flung grease from > being flung out the > tiny gap. The gap is far too tiny to allow dirt or water > to enter, but is > just enough to allow grease to leave. I hear you. I also found a few reports (though lacking updates) of same in the Honda newsgroups. Indeed, especially with aftermarket shafts, and with three of four leaking, it seems like a good first guess. I have yet to hear of a catastrophic CV joint failure on the Honda newsgroups, besides. Clicking and clunking, but not a dangerous failure while driving. Though I am sure it could happen. > In such a case it is standard operating procedure to > simply replace the > bands and make sure the new ones are sufficiently tight. > > However, as I said, my advice was based on a possibly > faulty reading of the > OP's description of the problem. If, and only if, there > are no visible > splits in the boot, should the bands be replaced. A > professional tech > should be able to tell the difference between a split boot > and loose bands. > > >> >> Aside: I was reading at your site a little while ago on >> this, to see if we were of the same thinking. Have you >> changed your position about changing only the boots when >> the >> boot splits but the joint seems fine? > > > > Where do I say that? If that appears anywhere I'd better > get rid of it. > > My opinion has always been that if the boots have been > split for an unknown > length of time under unknown conditions that the joint > should be replaced. http://www.tegger.com/hondafaq/rusty...rakes4.html#cv seems to imply that one should just replace the boots if one finds them split. It's a little vague. I think I'd be more emphatic that the choice these days is to replace the halfshaft. |
Re: CV joint boot grease leakage
"Elle" <honda.lioness@nospam.earthlink.net> wrote in
news:13mm22rq4r2c637@corp.supernews.com: > > "Tegger" <tegger@tegger.c0m> wrote in message > news:Xns9A0CBEF397FA2tegger@207.14.116.130... >> >> >>> >>> Aside: I was reading at your site a little while ago on >>> this, to see if we were of the same thinking. Have you >>> changed your position about changing only the boots when >>> the >>> boot splits but the joint seems fine? >> >> >> >> Where do I say that? If that appears anywhere I'd better >> get rid of it. >> >> My opinion has always been that if the boots have been >> split for an unknown >> length of time under unknown conditions that the joint >> should be replaced. > > http://www.tegger.com/hondafaq/rusty...rakes4.html#cv > seems to imply that one should just replace the boots if one > finds them split. It's a little vague. I think I'd be more > emphatic that the choice these days is to replace the > halfshaft. > > This is that text, in part: "Did you know that your superbly-made and top-quality original Honda outer CV joints are very expensive new? Did you also know that if you never allow the boot to split, those CV joints will easily last the life of the car? Did you also know that it takes about two years from the start of a crack in the boots to the point when the crack turns into a gaping slot that lets water and dirt in?... If the crack is more than 1/16" deep, get the boots replaced now! It might cost you $200, but at least you're keeping your precious factory CV joints..." Maybe I ought to be explicit about the opposite situation, that if the boots ARE split it is advisable that the joint/shaft should be replaced? -- Tegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: CV joint boot grease leakage
On Thu, 20 Dec 2007 19:40:25 +0000, Tegger wrote:
> And to the OP: CV joint boots split with regularity if not examined once in > a while. So, you're saying that examining the boots will keep them from splitting, huh? Ummmm........ -- "Ubuntu" -- an African word, meaning "Slackware is too hard for me". |
Re: CV joint boot grease leakage
"Tegger" <tegger@tegger.c0m> wrote
> "Elle" <honda.lioness@nospam.earthlink.net> wrote >> "Tegger" <tegger@tegger.c0m> wrote >>>> Aside: I was reading at your site a little while ago on >>>> this, to see if we were of the same thinking. Have you >>>> changed your position about changing only the boots >>>> when >>>> the >>>> boot splits but the joint seems fine? >>> >>> >>> >>> Where do I say that? If that appears anywhere I'd better >>> get rid of it. >>> >>> My opinion has always been that if the boots have been >>> split for an unknown >>> length of time under unknown conditions that the joint >>> should be replaced. >> >> http://www.tegger.com/hondafaq/rusty...rakes4.html#cv >> seems to imply that one should just replace the boots if >> one >> finds them split. It's a little vague. I think I'd be >> more >> emphatic that the choice these days is to replace the >> halfshaft. >> >> > > > This is that text, in part: > > "Did you know that your superbly-made and top-quality > original Honda > outer CV joints are very expensive new? > > Did you also know that if you never allow the boot to > split, those CV > joints will easily last the life of the car? Did you also > know that it > takes about two years from the start of a crack in the > boots to the > point when the crack turns into a gaping slot that lets > water and dirt > in?... > > If the crack is more than 1/16" deep, get the boots > replaced now! It > might cost you $200, but at least you're keeping your > precious factory > CV joints..." > > > Maybe I ought to be explicit about the opposite situation, > that if the > boots ARE split it is advisable that the joint/shaft > should be replaced? I understand your point about trying to preserve the original came-with-the-car joints. But that boot replacement and joint cleaning labor is going to cost a person. Wouldn't it be cheaper and just as reliable to buy the remanned OEM ones that Majestic Honda offers and replace the whole half-shaft? About a year-and-a-half ago, Majestic wanted $130 for a remanned half shaft for my 91 Civic. I am okay with tightening the bands (well, from my amateur reading and limited hands on) if a close inspection indicates the bands appear a bit loose and are likely leaking. But if the boots are badly cracked, I think remanned OEM from Majestic or another genuine Honda parts dealer is likely the best alternative, dollar-wise, time-wise, reliability-wise. Two cents in this fine holiday season. :-) |
Re: CV joint boot grease leakage
KR wrote:
> 96 EX Accord w 150k miles. On right inner & outer & left inner cv > joints there is a grease leak from the ends of the boots. Boots are > good & the boot clamps look ok. Why/how is grease getting out? No > typical bad cv joint symptoms yet. Garage recommended new half axles > - apparently nobody changes just boots anymore because of the labor > costs. Before I go that route I'll get a lot more miles out of these > - at least until they start clicking. I've not heard of grease > leaking from good joints/boots. It's the vertical sling out pattern > on the facing & backing surfaces & right where the boot/clamp there is > seepage. Any ideas? by close inspection, you need to determine the cause of leakage. if you have the original honda shafts, and your boots have not been changed before now, they're almost certainly failing - it's highly unusual for oem honda shafts to be leak any way other than because of a cracked or damaged boot. regarding the cost of repair, brand new aftermarket shafts, no core charge, are under $100 each and they take about 10 minutes each to change. repairing the oem shafts, while a better technical solution because they're better quality and last longer, costs a lot more because the parts are expensive and there are multiple hours of work involved. while driving, you'll be challenged to tell any difference. and financially, most of the time, the significantly lower cost of aftermarkets, even though they don't last as long, mean you're still ahead. |
Re: CV joint boot grease leakage
Elle wrote: > "Tegger" <tegger@tegger.c0m> wrote in message > news:Xns9A0CBEF397FA2tegger@207.14.116.130... > >>"Elle" <honda.lioness@nospam.earthlink.net> wrote in >>news:13mlihj5i1gpm2c@corp.supernews.com: >> >> >> >>>If I were the tech working on this car, then I would >>>hesitate to just tighten up the boot bands. >> >> >> >>It sometimes happens (only on aftermarket) that the bands >>are >>insufficiently tightened. When that occurs it's not like >>the boots are >>loose the way your sleeve is on your arm, but that they're >>loose just >>enough to be unable to keep violently flung grease from >>being flung out the >>tiny gap. The gap is far too tiny to allow dirt or water >>to enter, but is >>just enough to allow grease to leave. > > > I hear you. I also found a few reports (though lacking > updates) of same in the Honda newsgroups. Indeed, especially > with aftermarket shafts, and with three of four leaking, it > seems like a good first guess. > > I have yet to hear of a catastrophic CV joint failure on the > Honda newsgroups, besides. Clicking and clunking, but not a > dangerous failure while driving. Though I am sure it could > happen. > > I know people that have driven vehicles with noisy c/v joints for thousands of miles. In fact, both of the rebooted c/v joints on the '83 are leaking and I have no plans to fix 'em. I don't know if they are noisy since the tranny growls pretty loud as it is. When the need arises, I'll simply install rebuilt units with a warranty. JT |
Re: CV joint boot grease leakage
Tegger wrote: > "Elle" <honda.lioness@nospam.earthlink.net> wrote in > news:13mm22rq4r2c637@corp.supernews.com: > > >>"Tegger" <tegger@tegger.c0m> wrote in message >>news:Xns9A0CBEF397FA2tegger@207.14.116.130... > > >>> >>>>Aside: I was reading at your site a little while ago on >>>>this, to see if we were of the same thinking. Have you >>>>changed your position about changing only the boots when >>>>the >>>>boot splits but the joint seems fine? >>> >>> >>> >>>Where do I say that? If that appears anywhere I'd better >>>get rid of it. >>> >>>My opinion has always been that if the boots have been >>>split for an unknown >>>length of time under unknown conditions that the joint >>>should be replaced. >> >>http://www.tegger.com/hondafaq/rusty...rakes4.html#cv >>seems to imply that one should just replace the boots if one >>finds them split. It's a little vague. I think I'd be more >>emphatic that the choice these days is to replace the >>halfshaft. >> >> > > > > This is that text, in part: > > "Did you know that your superbly-made and top-quality original Honda > outer CV joints are very expensive new? > > Did you also know that if you never allow the boot to split, those CV > joints will easily last the life of the car? Did you also know that it > takes about two years from the start of a crack in the boots to the > point when the crack turns into a gaping slot that lets water and dirt > in?... > > If the crack is more than 1/16" deep, get the boots replaced now! It > might cost you $200, but at least you're keeping your precious factory > CV joints..." > > > Maybe I ought to be explicit about the opposite situation, that if the > boots ARE split it is advisable that the joint/shaft should be replaced? > I have the two original half shafts for the '83 in the shed and they have cracks but are not split. Since the car only had 110K (miles) on it, I'm assuming that they were original so it might well pay to have these professionally rebooted, yes? JT |
Re: CV joint boot grease leakage
Dan C <youmustbejoking@lan.invalid> wrote in
news:pan.2007.12.21.02.39.48.436297@moria.lan: > On Thu, 20 Dec 2007 19:40:25 +0000, Tegger wrote: > >> And to the OP: CV joint boots split with regularity if not examined >> once in a while. > > So, you're saying that examining the boots will keep them from > splitting, huh? > > Ummmm........ > No, you can get them replaced BEFORE they split, and thus salvage your original joints. New OEM replacement boots are far more durable than the originals and will probably outlast the car. -- Tegger The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: CV joint boot grease leakage
Tegger wrote: > Dan C <youmustbejoking@lan.invalid> wrote in > news:pan.2007.12.21.02.39.48.436297@moria.lan: > > >>On Thu, 20 Dec 2007 19:40:25 +0000, Tegger wrote: >> >> >>>And to the OP: CV joint boots split with regularity if not examined >>>once in a while. >> >>So, you're saying that examining the boots will keep them from >>splitting, huh? >> >>Ummmm........ >> > > > > No, you can get them replaced BEFORE they split, and thus salvage your > original joints. > > New OEM replacement boots are far more durable than the originals and will > probably outlast the car. > > Don'tcha git a warm fuzzy feelin' when you hafta 'splain a simple detail with a hold-the-hand technique?? <G> JT |
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