heating trbl.

2005 NISSAN SENTRA
45,000 MILES • 4 CYL • FWD • AUTOMATIC
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RAYHOL1953
  • MEMBER
  • 1 POST
blower motor is working to my defroster but not to my floor or vents. my switch to the legs,body,feet still blows on the defroster help
Jan 25, 2011 at 11:26 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
The vent doors are actuated by vacuum. Check for vacuum leaks under the dash. Also, check for any disconnected, dry rotted, or broken hoses. If you are lucky, you may hear a hissing when the engine is running from a leak.
Feb 8, 2011 at 11:24 AM
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