everything else works great

1999 JEEP CHEROKEE
190,000 MILES
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TBUTTRAM
  • MEMBER
  • 2 POSTS
my 99 jeep grand cherokee will not blow any air hot or could out when you turn the setting on high. all other settings work fine. can you tell me why and how to fix the problem
Nov 5, 2011 at 6:32 PM
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
  • 110,190 POSTS
With the engine hot and running, the heater on high, feel both heater core hoses. Both should be hot. If only one is hot, flush the heater core. If both are hot and still no heat, check the blend air door. Chances are it is sticking.
Nov 5, 2011 at 6:34 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.