1996 Chevy Lumina SEnsor for radiator on block

1996 CHEVROLET LUMINA
112,000 MILES • 6 CYL • FWD • AUTOMATIC
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JANNABJY
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  • 1 POST
I have a lumina that is running hot and we put in a thermostat and a water pump it still runs hot. was told it could be sensor on the block. Where is it located could this be the problem?
May 21, 2010 at 6:46 AM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
could be faulty engine coolant temp. (ECT) sensor which is near the coolant outlet.
May 21, 2010 at 9:58 AM
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RENAUDTN
  • ✓Experienced Mechanic
  • 636 POSTS
Hello there,

It could be a number of things:
Beside what you’ve already replaced, it could be:
*coolant leak (internal or external)
*clogged cooling system (back flush your system.)
*bad radiator cap (pressure test it, replace if bad)
*loose serpentine belt (bad belt or bad tensioner, maybe both)
*problem with cooling fans (do they come on when your car starts overheating?)
*collapsed lower hose
*bad coolant sensor (it should be located right by the thermostat housing)
*too much exhaust backpressure
May 21, 2010 at 10:28 AM
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