Thanks Guys, this is the kind of info I've been looking for. Hardly any info to be found on a R170 manual transmission.
Anyone know of any write-ups on changing the transmission fluid, or the clutch pedal fluid (although, by the sounds of it, the clutch pedal fluid is easy). Also, seeing that the clutch and brake fluids share the same reservoir, would the clutch fluid not be considered "changed" when a brake fluid change is done?
I created talks about the correct amount of oil that should be inside a manual trans, lots of nay sayers who hadn't done the research I had, and the end result was finding documentation on lowering the original amount from 1.5l to 1.2l. check out the link in the last post from me. It seems to be a general opinion filling the oil until it spills out the fill hole is the right way, not on an r170!
As for a guide on changing the oil, well there's not an easy way unless you have a ramp due to the position of the fill hole. I used a 100ml syringe and filled it up that way, took a long time and effort but it's accurate.
No, if you bleed the brakes that won't affect the clutch as in a my post above mentions; the divider wall inside the reservoir separates the clutch from the brake fluid and also you need to flush new fluid through the clutch lines by getting under the car/transmission, which you woundn't have done if you only bleed the brakes.
I'd remove the current fluid from the reservoir completely with a syringe, and fill up to the top with new fluid (not the max marker, the actual top) and begin bleeding the brakes and the clutch, this way you're not potentially pulling more grit and such through the lines, although the fluid will be black when you bleed it, keep topping up the reservoir to avoid pulling air through the system, and once it flows out of the brake/clutch nipple the colour it should be, you're good to go!