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Curtis, Australia Car Mechanic
Category: Australia Car
Satisfied Customers: 1606
Experience:  Qualified Automotive Mechanic, LPG & Airconditioning Diagnostic Technician.
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Kia Sedona LX: just reading article on Radiator fan not

Customer Question

just reading article on Radiator fan not coming on - have followed all steps - but everything suggested has tested fine - is the issue now in the thermo sensor ? ( Kia Sorento ) - another issue that may be related is the temp gauge even when engine cold ( has not be started for days ) just putting keys to accessory power after a few seconds will have the temp gauge jump to mid range - even though cold ? but temp is cold - temp gauge then climbs from there until hits hottest temp but again coolant only feels warm / hot not boiling ? - thermo fans remain off ??

Submitted: 2 years ago.
Category: Australia Car
Customer: replied 2 years ago.
Update: Further testing - I disconnected the Water Temp Sensor - and the temp gauge on the dash remains in the middle range but thermo fans come straight on - If I run car for 10 mins with water sensor connected the temp gauge will climb to highest reading on the dash - but engine not hot - disconnecting the water temp sensor the temp gauge in dash will fall straight to middle range and thermo fans start ( should the temp gauge in dash fall to cold with the water temp sensor totally disconnected ? ) - reconnect water temp sensor - thermo fans stop - dash temp gauge climbs straight back to highest setting - despite the wrong reading car seems to run fine - I have two concerns - why are thermo fans not starting unless water temp sensor disconnected - also which is at fault - dash temp gauge or water temp sensor ? - would it be normal for the temp gauge to sit at middle temp with water temp sensor disconnected ? knowing this may better indicate if its a faulty water temp sensor or dash temp gauge ? - HELP GUYS !!!
Customer: replied 2 years ago.
Kia Sorento 2005 V6 BL