truck starts to run hot and heater is blowing out cold air. replaced thermostat about 2 months ago. this does not happen all the time.
Jan 5, 2009 at 5:27 AM
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JACOBANDNICKOLAS
✓Experienced Mechanic
110,246 POSTS
Hi:
Have you had the radiator and the heater core flushed?
Jan 6, 2009 at 5:40 AM
QCQUEEN
MEMBER
3 POSTS
no
Jan 7, 2009 at 6:47 AM
JACOBANDNICKOLAS
✓Experienced Mechanic
110,246 POSTS
Hi:
That is where I would start. If you replaced the t-stat, something must be blocking the coolant from circulating. At least have it checked by a mechanic to see if that appears to be the problem or check the radiator for circulation yourself. If you need directions, let me know.