Date: Fri, 14 May 2021 21:48:02 -0400
Reply-To: Gabriel Hourtouat <ghourtouat@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Gabriel Hourtouat <ghourtouat@GMAIL.COM>
Subject: Re: wheel bearings
In-Reply-To: <5EEF5151-D10D-4170-9E61-E275440A4AAC@gmail.com>
Content-Type: text/plain; charset="UTF-8"
So, you just hammer it out with the hammer and brass drift, per Bentley?
(IE we haven't thought of anything new since then?)
And for re-installation in the new brake disc, hammer it in with hammer and
wood block/brass drift? Does it help to try to use heat and cold?
On Fri, May 14, 2021 at 9:31 PM Jim Felder <jim.felder@gmail.com> wrote:
> Napa stores (US) will have the brass drift you need.
>
> Jim
>
> Sent from my iPhone
>
> > On May 14, 2021, at 8:18 PM, Gabriel Hourtouat <ghourtouat@gmail.com>
> wrote:
> >
> > Glad to find this thread...will now be content to leave the rear
> bearings
> > alone.
> >
> > Doing the front brakes, I am finding that there is axial movement between
> > the inside and outside races of both [right side] bearings -- is that a
> > sign that they should get replaced? (haven't opened left side yet.)
> >
> > Disappointed to find that I need a copper drift to remove some kind of a
> > conical liner which is pressed into the brake disc -- any suggestions or
> > tips on the process of remove and reinstall would be greatly appreciated!
> >
> > Cheers,
> > Gabby
> > 1986 Westy 2wheel drive 2.1Lwbx
> >
> >
> >> On Sun, May 14, 2017 at 9:49 AM Dennis Haynes <d23haynes57@hotmail.com>
> >> wrote:
> >>
> >> The front and rear wheel bearings are of drastically different designs,
> >> even for the Syncro. The front wheel bearings on the Syncro is a common
> one
> >> piece cartridge design common to front drive vehicles. However it is
> still
> >> a dual ball bearing assembly as compared to many other using dual roller
> >> assemblies. It is a short assembly so all side-steering forces place
> large
> >> dynamic loads on the bearings. These bearings also get subjected to a
> lot
> >> of brake heat. The usual cause of these bearing failing though is the
> >> limited amount of grease eventually dries up or disappears and then the
> >> bearing fails. From experience typical life of these assemblies is
> usually
> >> somewhere around 60-80K. New cars seem to have gotten these to get past
> >> 100K.
> >>
> >> For the rear bearing, you have two separate bearings and they are
> spread a
> >> part. The inner is a ball bearing which sees some of the weight but
> really
> >> has the job of controlling thrust. The outer bearing is a straight
> roller
> >> design and it carries most of the weight. There is also a reserve of
> grease
> >> between the two. With some cheating they ca be lubricated in place.
> Typical
> >> life for these is 150+K, easy.
> >>
> >> Dennis
> >>
> >>
> >>
> >> -----Original Message-----
> >> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> >> Of Eric Wunrow
> >> Sent: Saturday, May 13, 2017 9:43 PM
> >> To: vanagon@GERRY.VANAGON.COM
> >> Subject: Re: wheel bearings
> >>
> >> Hi, Dan:
> >>
> >> It's my understanding as well that rears outlast fronts by a ton.
> >>
> >> Presumably as there's no steering stresses.
> >>
> >> Eric
> >> Eric Wunrow Pictures
> >> 303. 988. 8717
> >>
> >> VW@EricWunrow.com (for this list's emails)
> >> EW@EricWunrow.com (for private messages)
> >>
> >>
> >>
> >>> On Apr 12, 2017, at 10:54 AM, Dan N <dn92610@GMAIL.COM> wrote:
> >>>
> >>> hi all,
> >>>
> >>> is it correct to assume or is there a reason to think that the Front
> >>> wheel bearings and Rear wheel bearings wear at the same rate? meaning
> >>> that do we have to replace front and rear at the same time?
> >>>
> >>> the mechanic replaced the front bearings ('89 tintop Syncro) not long
> >>> ago and he said that the rear wheel bearings are fine so he left them
> >> alone...
> >>> should I have the rear replaced too (cost to replace the rear is
> >>> higher than the front)
> >>>
> >>> thanks a lot
> >>>
> >>> dan
> >>>
> >>
>
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