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My moms car is a bit old and has 86,000, Her Low Coolent Level light has been on for a while and I think she might have a leak saying when I fill up her resevors the light never goes away even after trying to reset it. I have also fluched the lines and everything seemed ok. What else is there i can do with out spending big bucks on a mechanic? I was also told there could be a leak near the engine compartment, he told me to jack the car up and turn the wheels to the left and look near the compartment lift up a flap and the leak should be there? any other sugestions?

2007-01-26 09:45:14 · 4 answers · asked by Megan N 2 in Cars & Transportation Maintenance & Repairs

I dont have to refill alot, just when the light went off I filled it back up and when we flushed it. I check to make sure everything is level and where its sopose to be. but this morning I left and noticed a rather large area in my driveway was wet.

2007-01-26 10:00:09 · update #1

4 answers

Depending on which engine you have, there are 2 places that GM v-6's leak coolant that you may not see a leak on the ground. A 3.4 will leak from the lower intake gaskets. They normally leak more when cold. It may leak outside or internally. Remove the oil fill cap and look inside the valve cover. If it is milky looking, it is leaking internally.

A 3.8 will leak at the upper intake plenum and will burn it through the cylinders.

Filling the resv. will not turn light out because the low coolant sensor is in the radiator. When cold add coolant to the radiator and the light should go out. If not you may still have a bad sensor, but that does not explain coolant loss.

2007-01-26 10:27:41 · answer #1 · answered by TonynNC 5 · 0 0

You might simply have a bad sensor in the coolant reservoir that doesn't want to shut off. If you have a leak, you would notice coolant under the car every morning. If you are not constantly losing coolant and not having to refill, there's probably nothing wrong.
One other thing to check might be a bad radiator cap allowing coolant to leak out when you're driving.

2007-01-26 09:57:46 · answer #2 · answered by cottagstan 5 · 0 0

If you fill the resevoir and the light stays on it could be as simple as the low coolant sensor being bad. Is there any evidence of an active leak? You could have a reputable shop pressure test the system for you..it is a fairly simple procedure and relatively inexpensive.

2007-01-26 10:01:50 · answer #3 · answered by xcessjw2000 3 · 0 0

Do you have to fill it a lot? If not it might just be that the light is malfunctioning. I would think that it would be this if you are not having to fill it often, and if you don't see it leaking when you turn the wheels.

2007-01-26 09:54:48 · answer #4 · answered by eva diane 4 · 0 0

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