Question about 1992 Buick Century

1 Answer

Low coolant light

My buick century 2002 the coolant light will not go off and it is not low on coolant.

Posted by on

  • Anonymous Mar 15, 2014

    Loosing coolant



1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • Master
  • 702 Answers

In the surge tank, there is a sensor that detects the level of the coolant. It's most likely the sensor is stuck on the low position. All this sensor does is slide up and down as the coolant level goes up and down. You can tap the side of the surge tank near where the sensor plugs in and see if it will dislodge. You'll see the 2 wire plug at the bottom of the tank towards the front.

Posted on Jun 13, 2008


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

I have 1 2002 buick centery the low coolent light was blinking red but its not low now its solid red and over heats on idel only

Not low in the recovery bottle or
coolant system, when you check that

That doesn't tell you much

You have to diagnose the overheating issues

Stop using it until resolved

Sep 02, 2013 | 2002 Buick Century

1 Answer

The low coolant light is always on in my 2002 Buick Century. The rad was flushed as well as the overflow container and the coolant level never drops. The needle of temperature gage is always at the mid...

if the sensor was changed, the wiring to the sensor has to have a break in it somewhere. check for power and ground at your connector, and start tracing back to find the break. good luck!

Oct 25, 2010 | 2002 Buick Century

1 Answer

On a 2002 Buick Century with 3.1 liter motor. "service engine soon" light remains lit. Last week it was the "low coolant" Light that stayed lit. Had a new coolant sensor installed and problem still...

No you need to have the vehicle scanned for the check engine light to see what the code is that has it on. Autozone will do this for free.

May 17, 2010 | 2002 Buick Century

1 Answer

I have a 2002 century buick and the low coolent light was on so I went to go get pre-mixed anti freeze that is sopose to be good for all cars.However the light is still on. If I put the wrong kind in how...

Hello jameli_noman: My name is Roger and I will help you. The radiator has a sensor in it that is supposed to since low coolant. A couple of things can cause a problem. 1. The sensor is working and coolant is low. 2. Coolant sensor is defective. 3. Coolant sensor is contaminated by oil deposits. I would look at #3. If you were low on coolant? The coolant had to of gone somewhere. Look close at the corners of the intake manifold. Where the intake meets the cylinder heads. If you see what looks like a slimy oozy build up and you should see traces of coolant in this mess. You have a intake gasket causing the problem. This leak will let minute amounts of oil into the coolant system. This will cause the sensor to be contaminated. You can disconnect the sensor. But this defeats the early warning of low coolant and engine damage. Should you have any more questions please just ask. I will reply. Please rate the answer as this way I know it was of use. Thank You for using Fix Ya. Roger

Mar 05, 2010 | 2002 Buick Century

4 Answers

Low coolant light stays on.

A relay does run the sensor as well

Jan 15, 2010 | 2002 Buick Century

1 Answer

My 1997 buick century limited temp. guage kept going up. I added water and it stopped but now when im on the highway the low coolant light comes on. It goes off when i get off the highway. is that my...

I think your buick has a pressure coolant system so you may have air in the system and need too bleed it and for the light coming on while on the highway most likely low coolant when your driving the higher rpm the more coolant is drawn into the motor and triggering the light from coolant reservoir running low on coolant

Nov 10, 2009 | 1997 Buick Century

1 Answer

2002 buick century low coolant lite on

make sure youre using dex cool

Nov 05, 2008 | 2002 Buick Century

Not finding what you are looking for?
1992 Buick Century Logo

633 people viewed this question

Ask a Question

Usually answered in minutes!

Top Buick Experts


Level 3 Expert

77932 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22306 Answers

Ronny Bennett Sr.
Ronny Bennett Sr.

Level 3 Expert

6927 Answers

Are you a Buick Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides