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08-28-2018, 03:21 PM
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Registered User
Join Date: Apr 2013
Location: GUNTERSVILLE
Posts: 621
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Re: Coolant temp sensor
My Suburban always shows around 170 is and MAYBE get to to 180 with a 190 thermostat. Everyone says it should be around 190-200. Assumed the sender was bad and after a lot of horsing around and replacing the sender I got an infrared thermometer. Turns out it was right, with the 190 t-stat it would just barely get to 185 or so at the thermostat housing. Lesson learned, never assume, verify.
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| 7.4 overheating, aux fan relay, coolant radiator overheat, coolant temp sensor, overheating |
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