hifi459

looking for help on my 93 gs300. im only getting luke warm heat on all settings a/c works perfectly. new thermostat. arm on heater valve has full travel & all mode & other actuators working fine. leaning towards clogged heater core but hoses in & out are hot. I'm.leary to.flush core (dont want to risk opening a can of worms & core starts leaking. ).been a tech & shop.owner for 40 years. and I've owned the car since 98
figgured it throw this issue out there & hoping im.either missing something or someone has run into this problem.

hifi459

kitabel I hear & feel it moving but I'll definatly check further thank you