2007 Hyundai Tuscon Having Heater Gets Warm Cold Hot Checked Fuses

2007 HYUNDAI TUCSON
127,000 MILES
Avatar
CAT09FISH
  • MEMBER
  • 1 POST
Having problem with heater it gets warm then cold ( not hot ) checked all fuses and have replaced thermostst ?
Jan 17, 2013 at 5:38 PM
Advertisement
Avatar
HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
check coolant level first then when engine warm are both hoses hot then check to see if temp actuator is getting power it may not be or is broken. or could be control unit. pic enclosed.
Image (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Jan 17, 2013 at 8:38 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
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.