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Leaking Coolant Somewhere

2K views 6 replies 4 participants last post by  JGarten 
#1 ·
Hey all,

2006 Cadillac STS V6 1SC - 80k miles.

I've been leaking coolant very slowly, but it seems to have recently become more noticeable. Today, actually, my car told me to check the coolant level and it was about an inch below the full mark. Last time I added coolant was probably two months ago - 2k miles.

I can sometimes smell the coolant when I get out of my car, but I don't see anything on the ground. Leads me to believe it is dripping on something hot and evaporating.

Any tips would be appreciated.

Thanks,
Kevin
 
#7 ·
For me, it was the plastic "T" connector on the radiator overflow hose. Funny thing having a "T" connection on an overflow hose, but there it is. Runs right across the top of the radiator where it can be exposed to some sharp edges if not seated properly (got smashed by the hood?) No puddle on the floor, but the top right corner of the radiator was wet. Three hose clamps and a brass "T" fixed it. Easy Peasy.
 
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