east302
I'm Awesome
Truck is a 98 Tahoe with 350. I drove it last night for a two minute trip when it was cold--maybe 40 outside--without warming it up. This morning I had a coolant stain on the pavement about 8" in diameter.
It had leaked out of this drain hole at the radiator support--under the drain **** on the driver side.
The rubber pad under the radiator was wet but there was no obvious leak point. The drain port was dry. I felt around the base of the radiator as best as I could and didn't feel any moisture. The upper hose is dry, the oil cooler lines are dry. I let it run for 20 minutes and it didn't leak.
I did a pressure test on it. It held 16-psi for ten minutes, dropped to 15 and held for another 20. The thermostat housing is barely leaking and a heater hose was leaking...but nothing from the radiator.
Anyone have any thoughts? Could a radiator only leak when it's cold outside? Pressure test was done when it was around 50 outside. It doesn't make sense that the pressure test didn't show anything.
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It had leaked out of this drain hole at the radiator support--under the drain **** on the driver side.
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The rubber pad under the radiator was wet but there was no obvious leak point. The drain port was dry. I felt around the base of the radiator as best as I could and didn't feel any moisture. The upper hose is dry, the oil cooler lines are dry. I let it run for 20 minutes and it didn't leak.
I did a pressure test on it. It held 16-psi for ten minutes, dropped to 15 and held for another 20. The thermostat housing is barely leaking and a heater hose was leaking...but nothing from the radiator.
Anyone have any thoughts? Could a radiator only leak when it's cold outside? Pressure test was done when it was around 50 outside. It doesn't make sense that the pressure test didn't show anything.
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