[Mgs] Coolant draining on an MGB

[wkilleffer at epbfi.com]

Yeah, I went out to the garage last night and tried, yet again, to get a piece of coathanger wire up into that passage without avail. I may have a more flexible piece of wire to try this evening. It may nit be the end of the world, but I like for things to work if they will. Had I known this would he an issue when I had the head off about five years ago, I would have tried to remedy it then. Could I suck the coolant out with a shop vac?Sent from my LG Mobile------ Original message------From: PaulHunt73Date: Thu, May 9, 2019 3:44 AMTo: Dan DiBiase;wkilleffer at epbfi.com;Cc: mgs at autox.team.net;Subject:Re: [Mgs] Coolant draining on an MGB
Even if you remove the radiator altogether the block is still 
half full of old coolant, and removing the water pump doesn't get much more 
out.  Remember the original poster was asking how to get the bad coolant 
out.  Having a drain point on the rad is convenient for 
a simple drain and refill, but that's all.
 
You can drain a roadster cleanly without that by shoving a 
piece of card under the hose and past the cross-member over a bowl, slacken the 
hose clip and push it right back, then push a blunt screwdriver up between hose 
and rad port.  It only trickles out, but I leave it to do that while I 
get on with the next phase of the job.
 
I'd be surprised if the later engines didn't have the drain 
plug (replaced the tap a long time before that) below and to the right of the 
oil gauge connection, but try as I might with stiff wire I didn't get any more 
than a rusty dampness below it.  Frequently clogged with casting sand, some 
have had to 'chisel' it out with rods after removing the head.
 
PaulH.

  ----- Original Message ----- 
   
  On my '76B, with '77 engine, there is no drain valve. You have to 
  pull the lowest radiator hose off the water pump to drain the coolant. It's a 
  mess. Need a really wide pan on the ground underneath, and even then it tends 
  to run along the front crossmember and steering rack and make a 
mess.
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