You can't it's not an hm
You can't get rid of HMs in heartgold.
No, Piloswine does not learn Sheer Cold.
You get HM Surf and surf there
Sheer Cold is a One Hit Knock Out (OHKO) move. Therefore it only works on Pokemon who are at least one level lower than the Pokemon using Sheer Cold.
it will learn sheer cold at level 78
Bring it to level 78.
sheer cold,hyper beam,surf,waterfall.
You can't get a HM for that.
then you can go to the move tutor in Blackthorn city and teach it to it.
You can't get rid of HMs in heartgold.
No, Piloswine does not learn Sheer Cold.
no
you get it from a gy
in ice path
get hm strehngt
You get HM Surf and surf there
Feraligatr cannot learn Sheer Cold.