04 Sub - Major Coolant BURST !! Help.....
November 8th, 2012, 8:14 AM
#21
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Check the radiator tanks. It sounds like you've already checked everything else. They're only plastic and more than likely one has cracked or even separated from the core. The radiator in my '99 Tahoe just cracked open. It cracked high on the driver's side right around the connection for the upper transmission line. It was a big crack too - about 3 inches long. I tried running the truck with the radiator cap half off so it wouldn't build pressure and force the fluid out, but the water would drip out at atmospheric pressure. I ended up getting a used four-core off a guy on Craig's List for $50.
Thanks again to all of you for your help.
November 10th, 2012, 3:01 PM
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UPDATE:
Well, I fixed the leak boys. Replaced the water pump, and thermostat since I had it open. Filled with coolant and it held, no leak.
Very proud of myself having never diagnosed/repaired anything like this before. I must say this has sparked an interest in doing more repairs/maint. myself.
thanks to this forum for all your suggestions and help.
Well, I fixed the leak boys. Replaced the water pump, and thermostat since I had it open. Filled with coolant and it held, no leak.
Very proud of myself having never diagnosed/repaired anything like this before. I must say this has sparked an interest in doing more repairs/maint. myself.
thanks to this forum for all your suggestions and help.
Last edited by Norbit; November 11th, 2012 at 7:32 PM.
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