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Another Coolant light/Guage cluster problem


rolledthatho

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hey guys, i know this is probably a very annoying re-post but on all my searches i didnt really get what i was looking for

 

my low coolant light comes on after about 10 mins of driving, stays on until i cut the car off, and it goes off, then i crank it drive about 15 mins or so and back on it comes!

 

the coolant is full but dirty, im gonna flush it, for some reason i dont feel like its a faulty gauge but it may be, would anything else cause it to do this? is there a sender unit on the resivoir or something telling you its low that could be bad?

 

tia

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The low coolant sensor for the gauge cluster is located on the radiator(passenger side..it's square shaped and has a plug that goes into the radiator, should be gray in color and maybe 2''x2'' or so in size), it's either bad or has a lot of gunk built up on it if you're not losing any coolant. I had to replace the sensor in my 1993 GP a couple of years ago due to the same occurrence, it was faulty(cleaned it and it still would trigger the low coolant light despite the coolant level being full).

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how much are those little sensors, if pricey i might try to get one off a wrecked or parted car in the for sale, im in no hurry, because i have another car...

 

and yeah im gonna do a flush and fill tomm

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The sensors are around $40.

They do seem to go bad rather often, at least under my care they do.

 

I had one go bad a couple of months ago and I just unhooked it. Since I have put the new radiator in, I didn't drill out for the sensor so now there is no coolant level sensor on the car.

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try bleeding the system, my z34 did that at one point till i bled all teh air from it.

 

 

how do you bleed the air from the system? where is the bleeder located and what do i do?

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