Question about 2003 Saturn ION

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Coolant light on ,level good, no other problems

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If you find the coolent level good. dont worry there must be some electrical problem, so you can carry on.. your drive. thank you.. plz do rate me..

Posted on Jun 27, 2009

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1 Answer

Why is the low coolant light flashing?


The low coolant light is operated by a level sensor located in the coolant reservoir itself. If the low coolant light is on and the coolant level is full then wither the sensor is unplugged or the sensor is bad.

Aug 23, 2014 | Cars & Trucks

1 Answer

I have a yellow light on that looks like a long tool


if you see a wrench light come you have mechanical fault. check engine oil level,check coolant level make sure plenty coolant in radiator and coolant over flow reservoir has coolant level to full cold mark, check power steering fluid level.if al is good have vechicle code scan.

Jan 04, 2012 | 2002 Ford Taurus

1 Answer

Why is my low coolant light on in my 2002 impala ls?


check the coolant level in the rad and the overflow bottle.if these are good then you may have a problem with the coolant level switch being either dirty and can`t read the level or its not working properly and needs replacing.also if the coolant system has not been flushed then the contaminated coolant can cause the sensor to either not read properly or go bad.

Dec 07, 2011 | Cars & Trucks

1 Answer

A red service light keeps coming on and off a small rectangle that looks like a battery with a fluid level at the bottom and an arrow pointing down i lost my manual and forgot what it means


rw77766, This sounds like you have a low coolant light coming on. When your engine is cold, check the coolant level and add some if needed. Also check the overflow bottle and see if there is any coolant in there. If not then, once again, add some to the level indicated on the side of the bottle. If the problem persists, then you have a coolant leak or bad coolant level sensor and should have it checked out. Good luck with this.

Aug 07, 2011 | 2001 Oldsmobile Alero

1 Answer

Low coolant light comes on and stays on while driving. coolant level is good. the car doesn't overheat. do i need to replace the coolant tank or can I continue to drive the car with the light on?


Hi, the likely problem is a bad level switch/sensor on the reservoir. Try disconnecting the sensor to see if the light will go out. If not, the problem is in the wiring. Either way, there is no harm in driving the car with the light on.

Mar 24, 2011 | 1998 Chevrolet Cavalier

2 Answers

Radiator light on dash board constantly on.What is the problem?


Cooling problems can cause damage to your engine.
please have it checked out.
could be on of many problems.
Coolant level
Water pump
thermostat
fan
fan controls
drive belt or tensioner

Good luck

Oct 08, 2010 | 1996 Mercedes-Benz C-Class

1 Answer

My 2000 saturn show a low coolant level warning light. What do i do to fix that problem?


check coolant if low add to full line now is light out if not then first pressure check cooling system to find out where the missing coolant went then clean coolant tank out good re-fill is light still on then replace coolant level sensor

Sep 16, 2010 | Saturn S-Series Cars & Trucks

1 Answer

How do you shut the change oil light off and the coolant light


first the change oil light: turn the key on, do not start. wait ten seconds. fully depress the gas pedal three times rapidly. wait another 10 seconds, and start the car. the light should be out. if not, repeat.

there is no reset for the low coolant light. the light will remain illuminated until the coolant is topped up. if the coolant level is ok, and the light is still on, there is a problem with either the level sensor or the wiring - more likely the sensor. good luck!

Jun 24, 2010 | 2000 Oldsmobile Intrigue

3 Answers

Coolant level low light comes on and coolant level is not low in reserve tank or radiator.


There is a TSB for this problem. Here it is.


Bulletin No.: 04-06-02-007

Date: August 11, 2004

TECHNICAL

Subject:
Low Engine Coolant Level Indicator Always On (Diagnose Low Coolant Level System Operation/Check Sensor for Oil Contamination)

Models:
2000-2002 Buick Century, Regal
2000-2001 Chevrolet Lumina
2000-2002 Chevrolet Impala, Monte Carlo
2000-2002 Pontiac Grand Prix
2000-2002 Oldsmobile Intrigue


Condition

Some customers may comment that the low engine coolant level indicator is always illuminated.


Cause

The cause of this condition may be due to engine oil contaminating the coolant. Possible sources of oil contamination are internal engine leaks, improper service procedures, or the addition of some types of anti-leak additives to the cooling system. Once in the coolant, the oil leaves deposits on the level sensor creating an insulating film. This film results in a false activation of the coolant level indicator.


Correction

Diagnose low coolant level system operation and check the sensor for oil contamination using the procedure listed below.


Important: No coolant supplements should be used in GM cooling systems, other than what is approved and recommended by GM. The use of "aftermarket" over-the-counter sealing and cooling supplements may affect the operation of the low coolant level sensor. Discoloration of the coolant recovery bottle is normal and does not necessarily indicate that coolant contamination is present. Flush cooling system only when instructed by this bulletin.

1. Verify that the coolant is at proper level in the radiator and the coolant recovery bottle. If the coolant is low, add proper amount of 50/50 water and DEX-COOL(R) mixture. If the low coolant light operates properly, diagnose the cooling system for loss of coolant as outlined in SI. DO NOT proceed further with this bulletin.

2. Remove the low coolant level sensor. Refer to Coolant Level Module Replacement in the Engine Cooling sub-section.

3. With the key on, the engine off and the coolant level sensor disconnected from the vehicle wiring harness, observe the low coolant light:


^ Light is on - Chassis wiring or instrument cluster concern. Follow the appropriate diagnostic information in SI.

^ Light is out - Proceed to Step 4.



4. With the key off, connect the coolant level sensor into the vehicle's wiring harness. Connect a ground wire (1) to the battery negative terminal. Using a sharp probe (3) attached to the ground wire, ground the coolant sensor probe (2) as shown in the illustration. Make sure a good contact is made. With the key on and the engine off, observe the low coolant light for at least 15 seconds.


^ Light is on - Replace the low coolant sensor and re-check system operation.

^ Light is out - Proceed to Step 5.


5. Using a small wire brush or emery cloth, polish the low coolant level sensor probe to remove any film or oxidation. The probe should be a bright brass color when finished. Use Brake Parts Cleaner to flush removed deposits from the low coolant sensor probe. Re-install the low coolant sensor into the vehicle and proceed to Step 6.

6. Flush the cooling system and install new DEX-COOL(R) mixture as outlined in the SI. Check the vehicle's warranty history to determine if any engine gasket had recently been changed. If there has not been a recent gasket replacement, locate and repair the source of the engine oil contamination.


Oct 31, 2009 | 2002 Chevrolet Monte Carlo

1 Answer

How to replace a coolant level sensor, 2000 buick century


The coolant level sensor is located on the radiator. If you are looking at the engine from the front of the car it will be on the left side. There will some kind of clip holding it in the radiator. Removed the clip and pull the sensor out. You will lose coolant so try to swap it out quick or drain some of the coolant out. Once new sensor is installed, install clip to keep the sensor in place and reconnect the wires to the sensor. Crank the engine and make sure the coolant level is full. This should correct your problem.

Dec 20, 2008 | 2000 Buick Century

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