|What you say is true Stu the TC is always going to be the bug in the oil,|
when it come to draining and flushing.
Some of the realy expensive units around now Ii beleive are desighned to
work with the engine running and the trans in gear with the drive wheels off
the ground of course.
----- Original Message -----
From: "Stuart" <email@example.com>
To: "Supra Club of NZ Mailing List" <firstname.lastname@example.org>
Sent: Thursday, April 24, 2003 1:35 PM
Subject: [sconz] Re: ATF change
> On Thu, 24 Apr 2003 13:03, you wrote:
> > There is away to set up your own flush system if you want to do your
> > its a bit of messing about in the short term but once put together, its
> > always there if you want it.
> > it simply involves a container for the clean trans fluid, an oil filter
> > (new) and of good quality with fittings a remote type unit is ideal,
> > hoses of appropriate size, a container for the old fluid and a small
> > of compressed air. In simple terms you hook up the hoses and filter in a
> > way as to make a reticulating feed system with a filter in line, then
> > the compassed air to drive it.
> > By then disconnecting the input line from the trans to the trans cooler
> > hooking your system in line, ensuring you get input and out put correct
> > you can then flush the system. We made one of these years ago at a place
> > worked and it worked very well. The biggest problem is making sure all
> > lines and containers are sealed, and you only need fairly low air
> > but it needs to be reasonably constant, a small or regulated compressor
> > ideal.
> > The commercial systems are just a big version of this in a fancy wheel
> > around housing, with there own built in pump You could use a pump but
> > compressed air is often more convenient as most work shops have it and
> > high viscosity liquid pumps can be expensive.
> > If anyone wants to make one im happy to help, maybe we could make a club
> > unit and charge $5 to use it, to recover the cost of building it. Just a
> > thought.
> Unfortunately, while this can get MORE of the fluid, it still does not
> out the torque converter, where about 1/2 the fluid lives.
> A normal sump drain removes under 1 litre from memory, a clean fill (I
> just did one) takes over 6 liters of fluid, and a lot of that lives in
> that need centrifical force to remove, like the pump and the torque
> converter, this will only be removed with a stripdown or with the engine
> running and in gear...
> Then again, ATF lasts VERY well, and with the correct filter changes (a
> people NEVER change the filter!) you only NEED to change 1 litre at a
> Stuart W.
> Supra Club of New Zealand