Heater works when outside temp is 20 and up but is poor when it is colder. Replaced thermostat, flushed everything. Checked all the controls and such, looks good. after 30 min of driving this am still just warm heat, got out and felt upper and lower rad hoses, bottom was cold, top was warm but not h…

Heater problems Toyota Rav4

kmahorney January 26, 2011, 6:09pm 6

Oh, thanks for your help, i feel i am a pretty decent mechanic but this ones is killing me.