View Single Post
  #2  
Old 07-18-2005, 06:20 PM
GTP Dad GTP Dad is offline
Pontiac Guy
 
Join Date: May 2004
Posts: 6,441
Thanks: 2
Thanked 82 Times in 78 Posts
Re: Heater vent change

The vents are controlled by a vacuum switch either on the back of the vent control or somewhere under the dash. You could have a blocked line or a bad selector causing this problem. Check for both. You can probably find a used one at a wrecking yard to replace yours with.
Reply With Quote