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1996 Chevy Lumina SEnsor for radiator on block

Tiny
JANNABJY
  • MEMBER
  • 1996 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 112,000 MILES
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?
Friday, May 21st, 2010 AT 1:46 PM

2 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Could be faulty engine coolant temp. (ECT) sensor which is near the coolant outlet.
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Friday, May 21st, 2010 AT 4:58 PM
Tiny
RENAUDTN
  • 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
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Friday, May 21st, 2010 AT 5:28 PM

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