1993 Plymouth Voyager No Front Heat

PLYMOUTH VOYAGER
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MISSKISMIT
  • MEMBER
  • 2 POSTS
1993 Plymouth Grand Voyager280,000 blows heat from rear vents but only cold from the front vents defroster is it a bad heater core?"
Have done head gasket ,thermostat,even burped system(no air pockets).
Not sure what path coolant takes through heater system.please help :cry:
Apr 14, 2006 at 3:29 AM
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LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
Sounds like you have a blend door problem in the front. Good luck
Apr 14, 2006 at 3:37 AM
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MISSKISMIT
  • MEMBER
  • 2 POSTS
Are the blender door controlled by vaccumn hoses?? or are they electric??thank you for info.
Apr 15, 2006 at 3:39 AM
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LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
Some are Vacuum controlled and some by a small flat motor on the side of the plenium. Good luck
Apr 15, 2006 at 4:39 AM
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Suggested Repair

Inspect the front blend door. It may be vacuum-controlled or driven by a small flat motor on the side of the plenum; check the related vacuum hoses or actuator.

Conversation Summary

A 1993 Plymouth Grand Voyager with about 280,000 miles blows heat from the rear vents but only cold air from the front vents and defroster. The owner had already replaced the head gasket and thermostat and bled the cooling system, and asked whether the heater core was bad. The expert said the front blend door is the likely problem and noted that blend doors are either vacuum-controlled or operated by a small motor on the side of the plenum.

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