Bleed valves on the water rails

[RUSSELLM]

As my automotive knowledge knows no ends.....

I had a tentative twist of the wing nut type bleed valves, the other day and they seem pretty solid.

I presume it's just a case of some WD40 & brute force or have I missed something ? I can see a nut at the bottom of the nut, I haven't got to loosen that off have I ?

[gruffalo]

yes but not too much force.

[mikesr]

No you don't have to unfasten the nut. Just turn the T bar thing anti-clockwise.
I use an adjustable spanner if they are seized up.

If they leak its probably corrosion/scale. Don't over tighten them to stop a leak. They are brass and too tight will split them and cause a permanent leak.

They can be removed from the rail (using the nut) to clean the sealing faces.

[RUSSELLM]

Many thanks. Gives me something to do on Sunday

[pmessling]

Power sell them should you get in trouble

[Chuggaboom]

Perhaps they should be a quarterly regular slacken and tighten like the caliper nipples......no never done mine at all either.

[Mr Cerbera]

mikesr said:

No you don't have to unfasten the nut. Just turn the T bar thing anti-clockwise.
I use an adjustable spanner if they are seized up.

If they leak its probably corrosion/scale. Don't over tighten them to stop a leak. They are brass and too tight will split them and cause a permanent leak.

They can be removed from the rail (using the nut) to clean the sealing faces.

Just as Mike says - just nip it up to stop water coming out.

Also, when I do this, I do it on an upward incline. I find it a good way to get the last of the air out (and I repeat the process, coz I'm paranoic)
and don't forget to replace with antifreeze to top the ratio back up.

/nagging

[C3BER]

I don't have them anymore since I have a constant bleed to the expansion tank :-)

[mikesr]

C3BER said:

I don't have them anymore since I have a constant bleed to the expansion tank :-)

Have you got a piccie of the engine bay with the bleed system on show?
You must have a fair amount of stainless connectors and braided hose providing some bling

[gerradiuk]

You never did get back to us C3ber, would be interested in seeing the whole set please

[C3BER]

I will have to take the F1 off to see anything but track v road have it on FB and their website.

[Mad Mark]

pmessling said:

Power sell them should you get in trouble

http://www.tvrpower.co.uk/store/slug/drain-tap/