Question about 1995 Buick Regal

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The low coolant light won't turn off even after I refilled it.

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The float and switch inside the fill bottle is stuck. Use a screwdriver and gently tap it, see if you can move the float up and down manually. Work it up and down a few times to clear the blockage.

Posted on Jun 14, 2009


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Posted on Jan 02, 2017


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Coolant is Low but there is no leak.

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Engine light won't go off have topped up coolent

Was it the check engine light or the Low Coolant error message?

If the former, likely an emissions problem - coolant is unlikely to solve that.

Have the OBD codes read at an auto parts store, proceed accordingly.

The Low Coolant light sometimes takes some time to reset.

You did refill / recheck it with the engine COLD, didn't you?

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2002 buick century over heats unless ac is running. I changed antifreeze, thermostat, temperature sensor, coolant level sensor, and all hoses. Also coolant light won't come off even though its full. I...

Sounds like the computer is not powering the fan relay when the engine reaches 220 degrees. You might want to jumper the temp sensor to see it it will trigger the relay. You may need a scanner to monitor the data signal from the temp sensor.
As for the brake warning light, it can be from low brake fluid or the parking brake not being released. Either sensor or switch could have failed.

Jun 29, 2013 | Cars & Trucks

1 Answer

I had my oil change on Monday they were suppose to top off all fluid later on my coolant light came on took it back they refilled now the light is on again , I check for leaks no leaks , What coul

IF the coolant is at the proper level and the light is still coming on, you will need to replace the coolant overflow resevoir. The sensor for the level is built into these. If your just looking to get your light to go off, try unplugging the two wire connector from the overflow bottle (located at the bottom) and see if the light goes out. If its still on, you can try jumping those two pins together with a paper clip. Keep in mind if you bypass the light, you won't know if your actually low on coolant. My recomnedation would be to order a new one since this is a common problem on this vehicle.

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My ac or heat won't work

For the a/c, you may be out of refrigerant, and need it to be refilled.
For the heat part, it is most likely one of the following things: low coolant, thermostat, heater core, or maybe even radiator malfunctioning.

If you need some diagnostic tools to test the A/C, I recommend the actia multi-diag.

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The low coolant light on my 2001 BMW 325i came on today, but only when the heat was on. Once I turned the heat off, after a few seconds-up to close to a minute- the light went off. What kind of coolant...

The coolant type is not the issue but It seems there is a LOW LEVEL OF the COOLANT. Allow the engine to cool down and check the coolant level in the overflow/reservoir tank. If low you need to top up the coolant in the tank. Also check the pressure cap of the radiator, replace if there is low level of coolant in the radiator.
However if the coolant looks murky or rusty then it is best to flush out the coolant and refill with the specified type.

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2 Answers


That would be your engine coolant being very low. When the vehicle hits that you definitely should refill your engine coolant. The good thing is you can buy the coolant as a premix (usually 50/50) at most car stores.
Make sure you buy a few as you are very likely to be out. The longer you drive your vehicle while this is lit the more likely you are too damage it. So ensure to refill that right away. The coolant reservoir is the big yellow cannister on the passenger side above the windshield washer reservoir intake. It has a min and max level indicator on the side.
When refilling ensure that its at full then run your car for a little while for the fluid to be pumped into your radiator. If it was too much it may overflow a little don't be concerned about that but after running for a while with more coolant you will find your car running smoother and the light should turn off.

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i am a masrer volvo ASE MASTER TECH yes the one with thermometer is the coolant low and square sounds light the Generator light and why is coolant low???? is fan working properly and relay?? and under thermostat there is a coolant temp sensor and to clarify meaning wet is that the coolant temp sensor has enough coolant to the sensor INSIDE THE THERMOSTAT housing

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1 Answer

Car running hot

There is a level /float sensor inside the tank.

Wait until the engine is cold,empty the coolant tank and rinse.

Refill will 100% coolant to the COLD / COOL / LOW mark.


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