Low coolant light

SILVERADOGIRL13

MEMBER
CHEVROLET SILVERADO

Three years ago I had this light come on. I took it in and the did some tests and confirmed it was a sensor that they didnt replace but the problem disapeared. So here I am now with the same problem but the light comes on intermittent the coolant is down about 3/4 litre and the technicians have placed dye into the tank to see if it's actually leaking. Can anyone tell me what is an acceptable level for the coolant. The truck is a 2001 Silverado 2wd. There are no spots on the ground and the coolant has never been changed. It has 84 000km's on it. Thanks for your help! :)

3 Replies

CHEVY22

MECHANIC
1,375 POSTS

First thing to to is a pressure test on the cooling system, if the tech put dye in it you will be able to find external leaks but not internal, what engine is in it 4.3?Lmk

jim

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Saturday, February 17th, 2007 AT 10:36 AM

BILLYBOB11

MEMBER
1 POST

I have a 98 silverado and it seems to be leaking coolant from the transmission pan. Is this possible?

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Sunday, February 25th, 2007 AT 12:26 PM

HDBADBOY1997

MEMBER
3 POSTS

I had a similar situation where the low coolant light comes on and goes off. The dealership checked it and told me it was the sensor going bad. I had them check the water pressure and it turns out it's low. The water pump is leaking and there are no visible signs as far as water/anitfreeze marks on the ground or under the vehicle. Replaced the waterpump and all is now good. Hope this helps.

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Thursday, February 7th, 2008 AT 2:32 PM