Question about 2002 Chevrolet Tahoe
I know this its a slow leak and I know that I dont have a crack in the tank. I've ran the tahoe for 1 hour parked and no leak and drove through the neighborhood and highway 1 hours. turned it off in my drive way, checked it every 10 minutes see if anything leaked from it for 2 hours and nothing appeared to leak from it. ALSO I know it is a leak because i filled the tank to the marker and 3 days later the low coolant light came on. i checked to see if I cross threaded the cap and it wasn't. there was roughly about a quarter left of coolant in the tank. The brand of coolant i use in the Tahoe is: Peak 50/50 Antifreeze and Coolant. (Blue Bottle) if it helps any to know the brand i use. MY O2 TAHOE WAS IN FOR REPAIR OF A SEAL FOR THE MANIFOLD GASKET...NOW 2 WEEKS LATER I AM SMELLING COOLANT IN MY CAB...WHEN I DROVE IT INTO A DEALERSHIP THEY SAID THEY SAW RESIDUE NEAR THE WATER PUMP...I CANT HELP BUT THINK THIS IS RELATED TO THE REPAIR THAT WAS JUST DONE, WHAT CAN IT BE?
There is a small hole under the extension behind where the pulley is mounted, most times barely visible. If you see any coolant there the pump seal is leaking. Many times it will show up better with the cap off, as internal pressure can sometimes push the seal against the shaft and temporarily stop the leak. If any coolant is found there,(sometimes it will run down the lower hose and appear like a bad hose or clamp) the pump needs to be changed. No, it is in no way related to a manifold gasket leak.
Posted on May 28, 2009
Freeze plug leak!
Posted on Apr 23, 2010
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Posted on Jan 02, 2017
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