Brrrrrrr N-n-n-n-no h-h-h-h-h-heat

[tihol tiholov]

I had success once cleaning the heater core with a power washer (funny
thing - it was on a Subaru).  Took off both hoses and blasted the thing
form both openings with sopay water.  Heat was immense after that.  

Good luck,
TT