2000 Pontiac Montana air flow changes

2000 PONTIAC MONTANA
160,000 MILES • 6 CYL • FWD • AUTOMATIC
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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
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BLACKOP555
  • CAR REPAIR CONTRIBUTOR
  • 10,386 POSTS
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
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