e34 m50b20 coolant bleeding

[d.p.n.s 15]

hi all

changed the radiator on my e34 today and started bleeding the system.

but the heater still blows cold.. and I get steam out the bleed hole.(and I know I shouldn't)

any tricks/tips you guys have for the best results.

cheers

[twisted 45]

I unclip the expansion tank and lift it high. Leave overflow hose disconnected and at normal level. Fill tank till all air expelled from overflow hose. Put everything back and start the Car with heater on hot. Bleed as normal, but I usually find most Ariel has already been expelled.

[d.p.n.s 15]

I unclip the expansion tank and lift it high. Leave overflow hose disconnected and at normal level. Fill tank till all air expelled from overflow hose. Put everything back and start the Car with heater on hot. Bleed as normal, but I usually find most Ariel has already been expelled.

so you mean the tank on the side of the rad comes off?

[d.p.n.s 15]

so if the tank comes aprt there must be a gasket or o ring in there and I wonder if that's where the 1 I just took out was leaking from.

[twisted 45]

Not sure if it does on your m50. Does on my m52

[twisted 45]

No gasket or o ring, is clipped into the shroud

[euroriffic 609]

Good tricks I use are try get the nose of the car as high as possable to expel air easier, key on so heater valves open, and poor coolent in veeerrrrrrryyyy slllooooowwwwwwllllllyyyyyy. I usually use the 1 litre bmw coolant bottle and take just over a minute or so to trickle it in then give it a few mins before doing the next one. Then usual procedure after that, warm up, bleed valve open etc etc

[d.p.n.s 15]

thanks for the help guys.im pretty sure its fixed now.

topped it up before I went to work nf the heater worked.(better then ever. so hot now)

.topped it up a wee bit more when I left work and it goes up to half way on the temp gauge and stays there,

no leaking aswell.

will check tomorrow again and then that should be,it.

cheers