Can't Find Leak, Only Smell It!

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YukonRog

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We can smell hot coolant on the '05 Yukon when we get out but I'll be darned if I can find any evidence of a leak. The overflow bottle doesn't even appear to drop in level. Can't smell it inside so that kinda rules out the heater core I guess. Kinda like going to the Dr and then it doesn't hurt. Any ideas from the collective minds?
 

Doubeleive

Wes
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well coolant tends to flow down so look up from under the vehicle
use a flashlight to see better and a mirror to see under the water pump, inspect all 6 sides of radiator, heater hose t's, reservoir tank.
place cardboard under the vehicle overnight and check for a wet spot in the morning and look up from there.
 

Joseph Garcia

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I was going to reply to check the Tees, Wear a pair of gloves when changing out the Tees, as the firewall insulation is quite aggressive, and your hands will itch for the next 2 days.
 

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