Low coolant light
Low coolant light
Hi everyone,
Since I've owned the car, the coolant light likes to come on and off. The service manual says that it is a low coolant light. Temp is still showing good, right in the middle. When I look at the coolant tank, that's where I get confused. Am I totally blind because I can't see a low and max line on the tank itself. I don't even know if my coolant level is fine. It seems low in one part of the tank.
Then I looked at the coolant flush tutorial to get to know which coolant was recommended. You guys seemed to recommend G05 which is not carried by any auto/department store around here. Why G05? what does it even mean? I would like to know. All I could see is HOAT rated coolant (which was recommanded in the other thread as well), 50/50. It was recommended to use 3/4 of anti-freeze concentrate with 1/4 of distilled water? Can any of you guys elucidate me on that.
Thanks
Since I've owned the car, the coolant light likes to come on and off. The service manual says that it is a low coolant light. Temp is still showing good, right in the middle. When I look at the coolant tank, that's where I get confused. Am I totally blind because I can't see a low and max line on the tank itself. I don't even know if my coolant level is fine. It seems low in one part of the tank.
Then I looked at the coolant flush tutorial to get to know which coolant was recommended. You guys seemed to recommend G05 which is not carried by any auto/department store around here. Why G05? what does it even mean? I would like to know. All I could see is HOAT rated coolant (which was recommanded in the other thread as well), 50/50. It was recommended to use 3/4 of anti-freeze concentrate with 1/4 of distilled water? Can any of you guys elucidate me on that.
Thanks
Re: Low coolant light
Hi everyone,
Since I've owned the car, the coolant light likes to come on and off. The service manual says that it is a low coolant light. Temp is still showing good, right in the middle. When I look at the coolant tank, that's where I get confused. Am I totally blind because I can't see a low and max line on the tank itself. I don't even know if my coolant level is fine. It seems low in one part of the tank.
Then I looked at the coolant flush tutorial to get to know which coolant was recommended. You guys seemed to recommend G05 which is not carried by any auto/department store around here. Why G05? what does it even mean? I would like to know. All I could see is HOAT rated coolant (which was recommanded in the other thread as well), 50/50. It was recommended to use 3/4 of anti-freeze concentrate with 1/4 of distilled water? Can any of you guys elucidate me on that.
Thanks
Since I've owned the car, the coolant light likes to come on and off. The service manual says that it is a low coolant light. Temp is still showing good, right in the middle. When I look at the coolant tank, that's where I get confused. Am I totally blind because I can't see a low and max line on the tank itself. I don't even know if my coolant level is fine. It seems low in one part of the tank.
Then I looked at the coolant flush tutorial to get to know which coolant was recommended. You guys seemed to recommend G05 which is not carried by any auto/department store around here. Why G05? what does it even mean? I would like to know. All I could see is HOAT rated coolant (which was recommanded in the other thread as well), 50/50. It was recommended to use 3/4 of anti-freeze concentrate with 1/4 of distilled water? Can any of you guys elucidate me on that.
Thanks
The light flickering is not only caused by low coolant, put ‘coolant light’ in search and see what Pizzaman says about it among others.
Last edited by onehundred80; 10-19-2018 at 05:19 PM.
Re: Low coolant light
The ratio is 50/50, antifreeze/distilled water. Most use Zerex G-05 it is a HOAT (Hybrid Organic Acid Technology). I cannot remember where I got mine though. You are best to use distilled water, it is cheap enough at the grocery store.
The light flickering is not only caused by low coolant, put ‘coolant light’ in search and see what Pizzaman says about it among others.
Last edited by alexdc; 10-19-2018 at 07:25 PM.
Join Date: Jun 2009
Location: Fort Worth, Texas
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Re: Low coolant light
The manual is wrong. Ok, let's call it "misleading".
The light indicates that something is wrong:
From what you describe, I'd suspect the most likely issue with your car is (in descending order of likelihood) 2, 1 or 4.
The light indicates that something is wrong:
- The coolant level in the reserve tank is low.
- The coolant level sensor in the reserve tank is defective.
- The engine temperature is above 2xx degrees (not sure what temp, I believe above 220F)
- The Fan Control Module is indicating that the current flowing thru the engine cooling fan is either lower than expected or higher than expected.
- The Fan Control Module is not communicating at all with the ECM.
From what you describe, I'd suspect the most likely issue with your car is (in descending order of likelihood) 2, 1 or 4.
Join Date: Jun 2009
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Re: Low coolant light
I was able to put around 1.8 L until it reached the top of the post. No coolant light yet. I've filled it a bit more after that because I didn't have anywhere to get rid of what I had left (2L in total). Hopefully that's fine. I will report back if the light comes back on. If it doesn't I won't. I will make sure I don't see any leaks as well.
Last edited by alexdc; 11-01-2018 at 06:35 PM.
Re: Low coolant light
Check for any leaks where the return hose attaches to the reservoir. A common issue with the reservoir tank is that the return hose nipple tends to break or crack over time and leads to coolant leaks. Some guy here has a nice detailed write up on how to repair a broken coolant tank nipple.
Last edited by MAGNATUDE; 11-02-2018 at 07:28 AM.
Re: Low coolant light
I was able to put around 1.8 L until it reached the top of the post. No coolant light yet. I've filled it a bit more after that because I didn't have anywhere to get rid of what I had left (2L in total). Hopefully that's fine. I will report back if the light comes back on. If it doesn't I won't. I will make sure I don't see any leaks as well.
Re: Low coolant light
it barely goes over the top of the post.
Re: Low coolant light
I did the tensioner, both pulleys and belt service and now my battery is dead. I'm trying to charge it with a low cost 2amp battery maintenance charger (it takes forever and it's quite cold here) so hopefully I don't need a new one. I will report back soon when I can drive it.
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