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Can smell antifreeze but no leak?
There are a couple of reasons that you might be able to smell antifreeze inside your vehicle. First, a simple leak could be causing the issue. If you can’t find a leak in your heater core or a broken pipe or hose, you may need to take your vehicle in to a mechanic and have a professional diagnose the issue for you.
How do you know if your exhaust is leaking coolant?
The smell of coolant and/or a whitish cloud of smoke from the exhaust at startup can be an indicator of coolant in the combustion chambers, which can be confirmed by a chemical test for exhaust hydrocarbons in the coolant.
Can a head gasket failure smell like coolant?
Anyway, to sum up, head gasket failure is more common but intake gasket failure is the only other way exhaust could smell like coolant, especially if oil and coolant aren’t mixing. Good luck. Edit: By ‘on its own’, I meant without mixing with oil in case there was any confusion.
Why do I Smell coolant coming out of my exhaust?
If you’re absolutely sure that you smell coolant out of your exhaust pipe, then that means it’s leaking into one or more combustion chambers, getting burned up and emitted out of the exhaust. The only two possible ways that antifreeze will make its way into those chambers on its own is a ‘blown’ head gasket or intake manifold gasket.
How can you tell if a car has a blown head gasket?
It is very unlikely it’s anything other than a blown head gasket. The three major clues are the exhaust smell, brownish colored coolant, and missing coolant. The overheating is a problem of losing coolant.
Where does the coolant come from in a blown head gasket?
If you have an external leak with puddles and drips, you can check to see if the coolant is coming from in between the head and the block (just under the exhaust manifold). You may need a mechanics mirror, available at your local auto parts store, to be able to see the affected area.