Q: 05 Titan overheats but won't blow hot air. Temp rapidly returns to normal at the same time it resumes blowing hot air,.
Truck overheats after 30 minutes driving. When overheating it will not blow hot air. Then temp will suddenly rapidly drop and resume blowing hot air. This happens when I'll rev engine or turn off and back on. Changed thermostat twice. Changed fan clutch twice after faulty diagnostic at two separate shops. Flushed radiator. Bled out air. Please help!
My car has 180000 miles.
My car has an automatic transmission.
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