I replaced brand new thermostat but the engine.

Tiny
UCHARAN
  • 2009 KIA RONDO
  • 105,000 MILES

I replaced brand new thermostat but the engine is running cooler than normal, its not heating as usual

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Monday, January 21st, 2013 AT 3:00 AM

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Tiny
CJ MEDEVAC
  • EXPERT
  • 9,718 POSTS

ARE YOU SURE THE THERMOSTAT WAS THE CORRECT TEMPERATURE RATING?

AS FAR AS "not heating as usual"

THE ENGINE?

. OR INSIDE THE VEHICLE (COCKPIT ENVIRONMENT)?

FEEL THE HEATER HOSES WHERE THEY ENTER THE FIREWALL. WHEN THE RIG IS AT OPERATING TEMPERATURE

IF YOU WRAP YOUR HAND AROUND THEM---IS THE HEAT ALMOST UNBEARABLE (TOO HOT TO HOLD)?---ARE THEY WARM?---COLD?

YOUR TURN

THE MEDIC

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Monday, January 21st, 2013 AT 4:49 AM
Tiny
UCHARAN
  • MEMBER

The fan fuse was blown off. So I replaced the fan and the resister. The check engine light is off. However, when I drive the temperature does not hold it comes down to below quater mark. What else could be the problem
'

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Friday, January 25th, 2013 AT 4:57 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,356 POSTS

It sounds like the thermostat is stuck open. If it is closing and restricting the flow of coolant like it is designed to, the engine would heat up for you.

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Sunday, January 27th, 2013 AT 4:11 AM

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