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  #1  
Old 09-11-2000, 08:08 AM
Dangeo
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As many of you may know, I've been having issues with the cooling system on my 190e 2.6. Water pump(2 months ago), Heater control valve (which is still enroute), and something else I've noticed.

Some mornings, as I am driving the 60+ miles to work, the coolant light will come on. But, it comes on gradually. Starting out really dim, and getting brighter as I drive. When I check the coolant level it's well above the level of the indicator. And, I rarely ever see it in the afternoon like this.

Does this light indicate any other levels?

------------------
'92' 190E 2.6
'89' Dakota Shelby
'96' Chrysler Sebring
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  #2  
Old 09-11-2000, 12:16 PM
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Join Date: Mar 2000
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Problem most likely is the coolant level sensor located in the coolant reservoir. Remove the sensor's power plug and closely inspect the sensor's exterior for evidence of corrosion and/or moisture, indicating a coolant leak; a leaking sensor (common)can short internally, thereby closing the circuit and activating the dash warning light.

If the sensor is clean externally, the coolant level above minimum but the warning light still on, disconnect the coolant level sensor's plug. If the warning light extinguishes, then the fault lies with the sensor(the float is most likely coolant- logged). Replace the sensor and seal (approx. $25 list) or disable the warning system by leaving the plug off.
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Old 09-11-2000, 01:03 PM
Dangeo
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Leaving the plug off is not an option! Considering the amount of pain I've endured to get the cooling system up to snuff, I DON'T want to be uninformed if the coolant level goes low. (this has saved my keester a couple of times!)

I'll check the connections for corrosion, and see what I can do to keep moisture out of the plug area.

Thanks, for the advice!
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  #4  
Old 09-11-2000, 04:03 PM
makakio
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Just had this changed on my 190 2.6 (1993) - cheap fix - about $40 at my tech. It seems that the sensor on the overflow tank corrodes over time and simply needs to be replaced. It lights because the fluid works as a weak conductor. That's why the light appears dim and will grow/recede in intensity.

Matt
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