: 84 coupe deville has no heat

10-17-04, 02:11 PM
This problem has me going nuts ,my 84 deville has no heat but plenty of a/c.Anyone have a clue what is causing this???

10-17-04, 08:57 PM
Could it be you need a heater core? Just a suggestion.

10-18-04, 06:59 AM
my truck was the same way...try flushing out the heater core