Hello, my 2008 avalanche is slowly dripping coolant under the gas tank. It looks like it is coming from the top on the gas tanks and running down the bottom of the tank and dipping on the ground. Is there coolant lines above the gas tank?
2008 avalanche leaking coolant under the gas tank.
- Thread starter Cbrad2410
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Is there a rear heater for the second row? If you have heater hoses at the firewall, on passenger side of back of engine, and there are "TEES" there in both hoses, then you have coolant going to the rear somewhere.
Welcome to your first post at the forum.
Welcome to your first post at the forum.
Marky Dissod
Full Access Member
Specifically, the right rear.
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Welcome to the Forum from NH.
Lots of knowledgeable folks here who freely share their knowledge, experiences, and perspectives. Knowledge is power.
I hope that you will become a participating member in the Forum's discussions.
Pics of the truck, please.
You are already receiving sage advice from the knowledgeable folks on this Forum.
If you have a rear heater/AC unit, then there are coolant lines running to the back passenger's side of the truck. Most likely, you have sprung a leak on one of those lines.
Lots of knowledgeable folks here who freely share their knowledge, experiences, and perspectives. Knowledge is power.
I hope that you will become a participating member in the Forum's discussions.
Pics of the truck, please.
You are already receiving sage advice from the knowledgeable folks on this Forum.
If you have a rear heater/AC unit, then there are coolant lines running to the back passenger's side of the truck. Most likely, you have sprung a leak on one of those lines.
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