Battery and coolant warning lights

Tiny
BONNIE1969
  • MEMBER
  • 2004 SATURN VUE
  • V6
  • AUTOMATIC
  • 160,000 MILES
It has a newer alternator and a brand new battery. Coolant levels are where they should be, not getting hot or overheating. Both lights come on for a short time then go off, but continue to come on every time I drive.
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Monday, June 3rd, 2019 AT 11:02 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Welcome to 2CarPros.

If the coolant level is full and a light comes on indicating it's low, most likely it's the sensor in the overflow bottle that is bad. All kidding aside, I got home from work four hours ago and the last thing I did was replace a sensor in the same type vehicle. If it is the low coolant light that is coming on, here are the directions for replacement of the sensor. You will need to remove the reservoir to access the sensor. Before replacement, make sure the connectors to the sensor are clean and not corroded. It may just have a bad connection. Make sure you only do this when the engine is cold. The attached pictures correlate with the directions.

_____________________

Surge Tank Replacement
Removal Procedure

pic 1

1. Drain the coolant.
2. Remove the surge tank inlet hose clamp from the surge tank.
3. Remove the surge tank inlet hose from the surge tank.
4. Remove the surge tank bolts from the vehicle.
5. Lift the surge tank to gain access to the bottom of the tank.
6. Disconnect the low coolant sensor from the surge tank.
7. Remove the surge tank outlet hose clamp from the bottom of the surge tank.
8. Remove the surge tank outlet hose from the bottom of the surge tank.

Installation Procedure

pic 2

1. Install the surge tank outlet hose to the bottom of the surge tank.
2. Install the surge tank outlet hose clamp to the bottom of the surge tank.
3. Connect the low coolant sensor to the surge tank.
4. Align the surge tank retention tab and lower the surge tank into the vehicle.

Notice: Refer to Fastener Notice in Service Precautions.

5. Install the surge tank bolts to the vehicle.
Tighten the bolts to 8 Nm (71 inch lbs.).
6. Install the surge tank inlet hose to the surge tank.
7. Install the surge tank inlet hose clamp to the surge tank.
8. Fill the cooling system.

_________________________________________

Now for the battery light, since everything is new and it goes on and off, I have a feeling something is loose or corroded. First, make sure the battery terminals are clean and tight. If they are, I will need you to perform a simple test when the light is actually on. Here are links that explain how to check and clean battery terminals and one that explains how to check an alternator. You will need a volt meter or a basic multi meter. I will provide directions for how to use the tools and how to check wiring, too.

________________________________________

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

https://www.2carpros.com/articles/how-to-check-a-car-alternator

https://www.2carpros.com/articles/how-to-use-a-voltmeter

https://www.2carpros.com/articles/how-to-check-wiring

________________________________________

Let me know if this helps or if you have questions or need help.

Take care,
Joe
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Tuesday, June 4th, 2019 AT 8:39 PM
Tiny
BONNIE1969
  • MEMBER
Thank you so much! We will see what happens!
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Wednesday, June 5th, 2019 AT 12:26 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
You are very welcome. Let me know how things turn out for you. Also, feel free to ask questions if you need help.

Take care,
Joe
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Wednesday, June 5th, 2019 AT 4:45 PM

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