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1994 Plymouth Voyager Heater will not get hot

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1994 PLYMOUTH VOYAGER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 65,000 MILES
1994 Plymouth Voyager mileage: 65,000. Heater will not get hot. Temperature gauge is normal. Air is just barely warm. Have replaced thermostat, vacuum control switch in dash and heater core. Have bypassed the valve at the firewall. Water hose to heater is hot to the touch. Return water feels cooler to the touch.
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Friday, October 29th, 2010 AT 12:05 AM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,542 POSTS
Sounds like you are having trouble with the doors in the heater duct not opening properly. You might want to check the vacuum supply to the heater control switch in the dash.
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Friday, October 29th, 2010 AT 12:06 AM

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