[928uk] Fitting new front lower control arms

[Paul]

🤣

Paul reacted via Gmail
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On Tue, 4 Jun 2024 at 03:51, <jon928se at gmail.com> wrote:

> I wouldn't use red rubber grease. Yes it won't harm the rubber - good. But
> all else being equal will remain as a lubricant nearly indefinitely. The
> bushes aren't supposed to be lubricated as they act as a secondary spring.
>
> Use KY jelly - completely rubber safe and will remain lubricating for long
> enough to do the install and will then dry out. If it gets wet it will just
> get washed out.
>
> If you are easily embarrassed don't go into the chemist with your
> mechanicing friend to buy a large tube to facilitate reinstallation of the
> TT tube bearings. BTDT.
>
> Jon
>
> -----Original Message-----
> From: 928uk <928uk-bounces at lists.928.org.uk> On Behalf Of Paul via 928uk
> Sent: 04 June 2024 06:02
> To: 928uk at lists.928.org.uk
> Subject: Re: [928uk] Fitting new front lower control arms
>
> In 1998 Andy Elvers wrote this:
>
> "The Porsche 928 can suffer a multitude of suspension problems that
> basically stem from 2 factors. Firstly the car is heavy - most 928s weigh
> over 3500lbs. Secondly the 928 is now a relatively old car."
>
> https://www.928.org.uk/articles/13-setting-the-ride-height.html
>
> Twenty six years later the 928 is definitely an old car
>
> As it happens, the front was dead on spec at 180mm, but the rear was a bit
> lower at 170mm ish
>
> So on the basis that the car was totally unloaded with no passengers,
> fuel, tools, or luggage, I've raised the rear instead
>
> Paul
>
> On Thu, 30 May 2024 at 14:51, <jonathanrackowe at gmail.com> wrote:
>
> > Red rubber grease is your friend!
> >
> > Best regards,
> > Jonathan
> >
> > 1991 928 GT Amethyst Metallic
> >
> >
> >
> > > On 30/05/2024 12:28, Paul wrote:
> > >
> > > Thanks for your advice
> > >
> > > I've tried presenting the saddle at an angle to try to minimise the
> > > bush twist when level
> > >
> > > https://thumbsnap.com/f/NkwvbjkB.jpg
> > >
> > > I'm not sure they are going to move though, even with the speed
> > > bumps where I live
> > >
> > > The new rubber is pinched as soon as the saddle touches them
> > >
> > > Paul
> > >
> > > On Tue, 28 May 2024 at 12:40, Paul R Smith <smiffypr at gmail.com> wrote:
> > >
> > >> Don't leave them loose. Do them up, tight but not torqued. Then
> > >> with the weight on the wheels, the force on the clamps should be
> > >> straight
> > downwards
> > >> (the wheel is being pushed up, the fulcrum is the bottom of the
> shock).
> > >> There would be minimal force sideways as both front wheels are on
> > >> the ground (or ramps). When you undo the clamps, the cap will be
> > >> pulled
> > down,
> > >> so undo a bit at a time, and I think that as soon as the clamp
> > >> starts to open, you will hear them creak into their new position.
> > >>
> > >> Smiffy
> > >>
> > >> On 28/05/2024 12:33, Paul wrote:
> > >>
> > >> I think I'll give the soap a try
> > >>
> > >> The issue is that the rubber gets pinched by the time the bolts are
> > >> even loosely fitted
> > >>
> > >> Also I'm wary of leaving them too loose incase the threads are
> > >> stripped as the forces are significant
> > >>
> > >> Paul
> > >>
> > >> On Tue, 28 May 2024 at 12:10, Paul R Smith via 928uk <
> > >> 928uk at lists.928.org.uk> wrote:
> > >>
> > >>> You could try soap if you don't fancy grease.
> > >>>
> > >>> I think that if you fit them, then put the weight on the wheels,
> > >>> then loosen those bolts, you will hear them creak as they adjust
> themselves.
> > >>> Be sure to not tighten the bottom shock bolt until then as well.
> > >>>
> > >>> Smiffy
> > >>>
> > >>> On 28/05/2024 08:50, Paul via 928uk wrote:
> > >>> > Thanks
> > >>> >
> > >>> > With new arms the rubber is instantly gripped by the saddle
> > >>> > clamp, so
> > >>> it
> > >>> > didn't seem there was any chance that it would move once there
> > >>> > was
> > >>> weight
> > >>> > on the wheels even with the bolts as lose as possible
> > >>> >
> > >>> > Paul
> > >>> >
> > >>> > On Tue, 28 May 2024 at 08:41, Jim West<quixotixs at hotmail.com>
> > wrote:
> > >>> >
> > >>> >> How I did mine I think came off the list.
> > >>> >> Don’t tighten the clamps fully until you get a little weight on
> > >>> >> the
> > >>> wheel.
> > >>> >> I did it by getting everything else done, then lowered the jack
> > until
> > >>> the
> > >>> >> suspension was compressed (not fully).
> > >>> >> Then tightened the clamp.
> > >>> >> Jim 928s2
> > >>> >>
> > >>> >> Sent from my iPhone
> > >>> >>
> > >>> >>> On 28 May 2024, at 08:34, Paul via
> > >>> >>> 928uk<928uk at lists.928.org.uk>
> > >>> wrote:
> > >>> >>>
> > >>> >>> How should I fit the rear saddle clamp when fitting new arms?
> > >>> >>>
> > >>> >>> I'm assuming it needs to be tightened with the arm horizontal
> > >>> >>> so
> > >>> that the
> > >>> >>> rubber bush is not twisted when the car is level
> > >>> >>>
> > >>> >>> However the spring compressors I have don't allow me to do
> > >>> >>> that,
> > I'm
> > >>> at a
> > >>> >>> loss!
> > >>> >>>
> > >>> >>> Any suggestions?
> > >>> >>>
> > >>> >>> Paul
> > >>> >>> 87 S4 Manual
> > >>>
> > >>
> > >>
> > >
> >
> >
>
>