Question about Cars & Trucks
I did add half a gallon of antifreeze in 2-3 weeks
If you're going through 1/2 gallon every few weeks - you've got a leak. Since you smell it from the heater vents - it may very well be the heater core ($$$) that is leaking. Usually, you'll notice that the windows will fog up heavily as the coolant is very hot / steamy once the engine has warmed up fully.
Look for coolant puddles under the truck to get an idea as to where it is leaking from. If closer to the front bumper - it's probably not the heater core - if closer to the firewall - it could be the heater core.
Posted on Dec 02, 2014
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Posted on Jan 02, 2017
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