Coolant Leak 2015 2019 Silverado Sierra Hd Troubleshooting Gm 2011 silverado lt 5.3l v8 with 60,000 miles: 1. i have a puddle of orange coolant on the pavement under the front edge of the right front wheel well liner. all summer i thought it was ac condensation. this fall, a pan on the ground caught coolant. it took 1 3 gallon to refill the reservoir to the cold full line. Pressurize the system and hold it for many hours. if the leak is very small it could take a long time to see any leakage (check everywhere). you may never see a small leak when the engine and coolant is hot because it evaporates immediately after it leaks. the 5.3l vortec has a dry intake manifold therefore the leak cannot be there.
Coolant Leak 2015 2019 Silverado Sierra Hd Troubleshooting Gm 99 07 gm truck silicone radiator hose kit 4.8 5.3 6.0. complete 5 piece molded silicone radiator hose kit for 1999 2007 (nbs) silverado or sierra 4.8, 5.3, or 6.0. the kit will also fit 1999 2007 suv applications with minor changes to the heater fittings, instructions included. available in black, blue, red, and more!. Tbplus10. 6660 posts · joined 2007. #4 · feb 3, 2008. check the surge tank and connecting hose, this is the only part of the cooling system that isnt pressurized and wont show a leak when you do pressurize the system. almost all surge tanks are plastic and they break down from the heat after a while. like. A failing water pump can cause coolant leaks, typically from the weep hole or the gasket. symptoms of a failing water pump may include coolant leakage, unusual noises, loose pulley, or engine overheating. if you suspect a water pump issue, it’s best to address it promptly to avoid further damage to your engine. 03. 121 posts · joined 2009. #1 · dec 13, 2016. 1997 k1500 suburban 300,000 miles: coolant disappears though no visible leaks at radiator, hoses, thermostat. new heater core this week with hoses and heater control shut off valve. still believe that coolant disappears. based upon readings in this forum, i am seeking advice regarding intake.
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