1991 vacum doors

1991 CHRYSLER NEW YORKER
200,000 MILES • 6 CYL • FWD • AUTOMATIC
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ALEX0001
  • MEMBER
  • 1 POST
my vacuum doors on my heater core assembly dont work could it be my vacuum pumps my control pannel ? everything else works fine
Aug 17, 2008 at 9:10 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Hi:
The vacuum supplieds for heater control comes from the engine. Therefore, I recommend to tace the vacuum hose from the engine to the switch inside the car. Look for cracks, pinching, or broken hose,

Let me know what you find.
Joe
Oct 27, 2008 at 10:36 AM
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