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Heater problem, please help

Tiny
B4RACIN
  • MEMBER
  • 2002 DODGE TRUCK
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 72,000 MILES
02 ram 1500 with a 3.7, heater only gets hot on right side of dash, core and radiator have been flushed and thermostat replaced, any ideas
Thursday, December 2nd, 2010 AT 1:30 PM

2 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
There are "blend doors" inside ducts, these open/close to allow air to top/bottom-left/right.

You will have to remove parts of dash to get to them.
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Thursday, December 2nd, 2010 AT 2:39 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
The heater core has two sides and can plug up on one side.
Try back-flushing the heater core.
The best fix here is a new heater core, but the flush may produce results good enough.
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Thursday, December 2nd, 2010 AT 2:55 PM

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