Hi Trevor
I remedied the movement in my solenoid by drilling four new holes and
fitting new pins. Be sure to only drill the holes as deep as the originals,
this involves removing one pin and measuring the depth of the hole.
Graham.
----- Original Message -----
From: "Trevor Boicey" <tboicey@brit.ca>
To: <JRossi727@aol.com>; <triumphs@autox.team.net>
Sent: Monday, September 25, 2000 8:19 AM
Subject: Re: TR-6 J-Type Help Needed
>
> JRossi727@aol.com wrote:
> > Tranny problems now. I purchase this OD from Rimmers last winter. Just
> > getting this guy's car going. All electric's are working on Solenoid.
Test
> > light show it is powered in third and four. Can hear it clicking. Drove
the
> > car. Worked once in third.
>
> What oil are you using? Be sure to use a cheap oil.
>
> If you use a fancy modern gear oil, you can have two
> problems. One is that the oil might foam up, so the
> hydraulic pressure won't get high enough to keep the
> unit engaged.
>
> The other problem is that if the oil is too slippery,
> the cone clutch will not grab, and it'll constantly
> slip. The cone clutch has to be able to lock up, even
> in oil. With modern gear oil with all sorts of anti
> friction additives, it just might not hook up.
>
> 20w50 engine oil is what I use in my J-type tranny. I
> found it impossible to find gear oil without anti-friction
> additives, so I went to motor oil. Similar transmissions
> and Laycock overdrives for MGs are supposed to use motor
> oil, so I don't have any concerns.
>
> As well as ensuring you have the right oil, be sure
> you have enough oil. Often with the overdrives you have
> to fill the tranny, then take it for a short drive
> flicking in and out of OD, then fill it again. This
> is to fill the overdrive which doesn't happen by
> gravity, it needs to be run and then the system topped
> up.
>
> As for the solenoid, if your J-type is like mine
> (spitfire tranny) there is no adjustment needed
> on the solenoid. It's a direct acting valve, unlike
> the older transmissions where the solenoid just pulled
> and pushed a lever valve. You have to shim those types
> so the lever travel was correct.
>
> It's unlikely, but also be sure that the solenoid jacket
> is secure on the solenoid. I am not sure of the names,
> but the "jacket" is the black metal tube that is held
> onto the brass fitting by four pins.
>
> Mine was loose when I got it, which led to intermittent
> operation. You shouldn't be able to wiggle the sleeve
> versus the threaded and with the big nut on it.
>
> If you can, you can solidify it by replacing any
> missing roll pins, then spreading the roll pins gently
> with a small center punch and a hammer.
>
> --
> Trevor Boicey, P. Eng.
> Ottawa, Canada, tboicey@brit.ca
> ICQ #17432933 http://www.brit.ca/~tboicey/
> Just because it's rare doesn't mean anybody wants it.
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