Odd Sound when AC or Heater is on

blackjack99 · 08-27-2008

when I turn my a/c or heater on I get a loud rumble from under my dash... Any ideas?
1999 v6 3.8

dakine858 · 08-27-2008

Quote:

Originally Posted by blackjack99

when I turn my a/c or heater on I get a loud rumble from under my dash... Any ideas?
1999 v6 3.8

Inside your dash there's a fan that kicks on to blow the hot or cold air through your vents, and that's probably what is causing the noise.