Low coolant light coming on

Tiny
UMMA8GRANDS
  • 2001 CADILLAC DEVILLE
  • V8
  • FWD
  • AUTOMATIC
  • 162,995 MILES

Drained radiator and added all new coolant to our 2001 Cadillac Deville even with the reservior full the check coolant light comes on why?

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Friday, July 29th, 2011 AT 8:25 PM

2 Replies

Tiny
FACTORYJACK
  • EXPERT
  • 4,259 POSTS

Sticking level sensor in the reservoir. Try tapping on the reservoir with your hand, a rubber mallet, or similar. That usually does the trick. If you can not get it to go off, replacement of the reservoir is the only other option.

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Friday, July 29th, 2011 AT 8:51 PM
Tiny
CADIEMAN
  • MEMBER

This problem is the coolant level switch in the jug.

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Friday, July 29th, 2011 AT 8:53 PM

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