2000 Pontiac Montana air flow changes

2000 PONTIAC MONTANA
160,000 MILES • 6 CYL • FWD • AUTOMATIC
Avatar
BOBTHOMPSON
  • MEMBER
  • 1 POST
the air flow decreases from the vents when changing the temperature dial from cool to hot
Oct 11, 2008 at 3:19 PM
Advertisement
Avatar
BLACKOP555
  • ✓ASE Certified Mechanic
  • 10,386 POSTS
  • ASE Certified Mechanic
there should be a difference when switching from cool to hot.

mainly the air when on cool is compeltely bypassed and unchagned.

when turned to warm it is forced through the heater core thus causing the air to slow down.
Oct 11, 2008 at 4:03 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.