Thermostat

2006 ISUZU NPR
104,000 MILES • 2WD • AUTOMATIC
Avatar
SMOKEY19
  • MEMBER
  • 2 POSTS
My trucks temperature goes up when parked but when driving the temperature goes back to normal what does mean
Sep 9, 2016 at 12:47 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.
Advertisement
Avatar
CARADIODOC
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 34,308 POSTS
It means you're not getting sufficient air flow through the radiator at low speeds. That is due to an inoperative radiator fan. The fan isn't needed at higher speeds when natural air flow is all that's needed.
Sep 9, 2016 at 8:39 PM
Advertisement