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low coolant light on help

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Old 08-26-2006, 12:23 AM
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Default low coolant light on help

hey guys my light has been on and wont turn off.i have my coolant full so wats the deal?
Old 08-26-2006, 12:37 AM
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faulty sensor. very common problem, try and clean it or jsut unplug it
Old 08-26-2006, 12:39 AM
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and to answer your next question im sure you will ask. about 6 inches down on passenger side of radiator under the smaller hoses on the top
Old 08-26-2006, 12:16 PM
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cool thanks alot how much will a new one run me?
Old 08-26-2006, 12:30 PM
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GM list is about $55
Old 08-26-2006, 01:53 PM
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Its really easy to get off if you take the battery out. I have the samething going on right now, pulled the plug cleaned it with a brush put it back together and filled it, still on. ugh I don't want to buy a new one.

Anyways, does anyone have the part number?

Josh
Old 08-26-2006, 05:02 PM
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well i guess its cheaper to unplug it, wat the hell most cars dont even have that
Old 08-27-2006, 10:53 AM
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i know right
Old 08-28-2006, 12:19 AM
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I had the problem when I first got my car in 2004 and it eventually went away. I think there might have just been an airbubble or something, I haven't had it come on since then.
Old 08-28-2006, 07:56 AM
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ive had the car for 13 months and this is the first time it happens to me
Old 08-28-2006, 08:15 AM
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Even my light comes on all the time. My temp needle goes just a little higher then the middle mark. Thinking of taking it to mr lube or somewhere wherethey can flush out my rad.
Old 08-28-2006, 08:28 AM
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do a search. my cooling system was contaminated by a leaking power steering cooler, causing the low coolant light to come on.
Old 08-28-2006, 01:22 PM
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pjb so u had to get a new radiator correct?
Old 08-28-2006, 01:44 PM
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no.
just the power steering cooler. it is just a pipe in the upper radiator hose (at least it is on the 98). look for oily slime in the coolant and on the sensor. also look for power steering fluid loss. completed my diagnosis by using a radiator pressure tester (free from autozone) and watching the bubbles appear in the power steering resevoir. replaced the power steering cooler, flushed the cooling system and power steering system, cleaned the coolant level sensor and problem gone. I can't get with the "just unplug it" way of thinking.
Old 08-28-2006, 01:45 PM
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have you done anythign to drain the fluid recently? Or did it get low once and then you fill it?
I dunno about the LS1, but with the LT1, if you drain the radiator for anything, they say it takes 5 or more heat-up / cool-down cycles before the sensor will read correctly. And that's about dead on... everytime i've ever worked on my LT1, its a week before the thing shuts off ...
Old 08-28-2006, 01:53 PM
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mine never was low. the contaminated sensor made it give a false signal.
Old 09-15-2006, 01:13 AM
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Mine turns on after about 10 minutes of driving and stays on for no apparent reason. Just a bad sensor. I'd replace the sensor just to be safe though so that when you do blow a hose or something you'll know.
Old 09-15-2006, 02:38 PM
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cool thanks



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