[TR] TR3A --- Lever shocks and steering box

Geo Hahn ahwahneetr at gmail.com
Mon Jun 26 13:31:46 MDT 2017


What I am using in the steering box:

http://www.mossmotors.com/Shop/ViewProducts.aspx?PlateIndexID=31234


Very thick - top up on a warm day.  Less prone to leaking if your seals are
less than perfect.

Geo

On Mon, Jun 26, 2017 at 8:21 AM, Dave MacKay <dave at mdmackay.ca> wrote:

> Hello:
>
> After years of having a mechanic service my TR3A, I'm now trying to
> maintain it myself. I have a couple of questions that I'd like to pose to
> the list.
>
> 1) Steering box fluid
>
> The TR3A owner's manual ("Practical hints for the maintenance of the
> Triumph TR3") instructs that the oil in the steering box should be topped
> up (via a rubber plug on the steering column) every 6,000 miles with a
> special (Crimson) Armstrong Shock Absorber fluid.
>
> From searching the archives, I've learned that several listers prefer to
> use Valvoline Synpower 75W90 gear oil in the steering box. The same
> listers recommended Redline MT-90 for differentials and gearboxes.
>
> I've just refilled my differential and HVDA transmission with Redline
> MT-90 75W90 GL-4 gear oil and have a couple of quarts left over. Is there
> a reason not to use Redline MT-90 in the steering box?
>
> 2) Lever shocks
>
> The same manual recommends that the front shocks don't require maintenance
> but that the rear shocks should be topped up every 12,000 miles. Most of
> the postings on the list recommend using a 20W (or 30W for a stiffer ride)
> heavy duty fork oil (for motorcycles).
>
> However, when I searched the web, I found a number of cautions to leave
> the rear lever shocks alone and not to perform routine maintenance on them
> because that often introduces problems. The advice was just to replace the
> rear shocks if they leak.
>
> Is the prevailing wisdom to follow the advice in the owner's manual, or to
> leave rear lever shocks alone?
>
> TIA,
>
> Dave MacKay
> TR3A s/n 68638L
> Near Toronto, Canada
>
> ** triumphs at autox.team.net **
>
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