coolant light on cluster - Maintenance and Repair Forum

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coolant light on cluster
Sunday, November 11, 2007 4:03 PM
my coolant light keeps coming on on my gauges, it sits there for a minute or so then turns off...

i know this means "low coolant level" but i just topped it off about a week ago... and the level seems fine, though GM needs to use a plastic you can see through so you can read the coolant level where it says full... but thats another rant

could it be my water pump going bad?

any ideas?
car runs at 195degrees and sometimes goes to the 225 ish mark... but rarely.

i run it hard sometimes, but not all the time, and i drive to about 70mph per day highway traveling.

thoughts?

Re: coolant light on cluster
Sunday, November 11, 2007 4:22 PM
Possible faulty coolant sensor?



15.2@89mph 2.171 60ft. 9.830 1/8 R.I.P. "LULU"
Re: coolant light on cluster
Sunday, November 11, 2007 5:08 PM
Bad low coolant sensor


97 Cavalier Z24 @ 85k
00 Cavalier Base Coupe @ 152k...rollin on 14's!
97 Grand Cherokee 5.2L@ 260k
Re: coolant light on cluster
Sunday, November 11, 2007 5:08 PM
BIGGSZ24 wrote:Possible faulty coolant sensor?


or just dirty, drain the reservoir, pull the sensor, clean it, and try it again. if that doesnt fix it, replace teh sensor.



Edited 1 time(s). Last edited Sunday, November 11, 2007 5:09 PM


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Re: coolant light on cluster
Monday, November 12, 2007 8:18 AM
if its not the sensor, could it also be the water pump? im going to have at it this weekend, it usually occurs when im accelerating from a dig to about 50mph, i run it to about 3700rpms and then the light comes on. ill clean the sensor and try that first though
Re: coolant light on cluster
Monday, November 12, 2007 9:24 AM
My light comes on if the res. cap is a bit loose. Odd, but maybe try tightening that up good?


Re: coolant light on cluster
Monday, November 12, 2007 1:38 PM
i just replaced it, but ill try and tighten it up... my other one dry rotted. probably the source of wherre this issue came from
Re: coolant light on cluster
Monday, November 12, 2007 5:12 PM
no. the water pump is not causing it.



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Re: coolant light on cluster
Tuesday, November 13, 2007 5:42 PM
If something was wrong with the water pump, you would be:

A: Leaking a good deal of water thru the water pump
B: hear a real disconcerting rattle that's NOT the Getrag rattle
C: Have probems with overheating (as in needle pegs the H or the 260 or the RED AREA) almost immediately after engine warmup


------------------------------------
We all drive in a yellow Cavalier...
Re: coolant light on cluster
Thursday, November 15, 2007 7:17 PM
alright then lol its not the water pump. haha i think im going to drain and flush the coolant and then see how that goes. thanks guys!
Re: coolant light on cluster
Friday, November 16, 2007 8:08 AM
when you drain the coolant, make sure to pull out and clean the sensor. its in the reservoir/overflow tank.



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Re: coolant light on cluster
Friday, November 16, 2007 10:03 AM
My car started showing me the dash coolant light intermittently -- though it was actually requiring a top-up each time. Turns out I was losing about a litre of coolant a week through the head gasket, externally by the front of the engine near the alternator. I'm hoping it stays out of the cylinders long enough for me to save up to fix it.



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