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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 497 (HVAC Systems) >> Heating & Air Conditioning >> Diagnosis And Testing >> Heater Performance >> Mechanical Problems

Mechanical Problems

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

Possible causes of insufficient heat due to mechanical problems are as follows:

  1. Faulty engine thermostat.
  2. Faulty blend door actuator.
  3. Obstructed fresh air intake.
  4. Obstructed heater system outlets.
  5. Faulty blend-air door.
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