If there is no heater valve, what could possible be going on ?
Ford Q&AAsk Your Question
1998 Ford F-150 Question: if it doesn't have a heater control valve then what could be wrong with it ??
Answer #1ZeeTech February 02, 2011, 14:17Master
What are the symptoms??
ReplyVisitor, February 02, 2011, 14:34
no heat in the dash
Answer #2DaveJHM February 03, 2011, 00:39Master
You could have a temperature blend door actuator issue in the dash, failing to turn the blend door to "hot". You could have a flow issue at your heater core - it could be clogged? You could have a thermostat issue at the engine.