C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

HELP....Coolant leaked out!!

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Old Jul 25, 2002 | 08:44 PM
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Default HELP....Coolant leaked out!!

Low coolant light came on and then temp started rising. Pulled over and the coolant is gone, leaked everywhere. I can't tell if its the radiator or hoses though. The two hoses seem ok, but an awful lot of coolant is seems to be forming a puddle under the center of the engine to the radiator.

Could this be a waterpump problem? What about the radiator?

I'm having it towed to my house because its far from it now.

96 LT4 68,000 miles no major engine repairs ever.
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Old Jul 25, 2002 | 08:58 PM
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Default Re: HELP....Coolant leaked out!! (DSTJ99)

It could be a stuck thermostat.
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Old Jul 25, 2002 | 09:04 PM
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Default Re: HELP....Coolant leaked out!! (DSTJ99)

On my 96 the radiator end cap came loose from the housing causing my leak. It was on the right side but the coolant dripped out of a small hole in the center of the lower radiator housing, making it look like a water pump. Hope this helps!!! Also, you might need someone with a radiator pressure testor to check before you go buying parts.
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Old Jul 26, 2002 | 08:17 PM
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Default Re: HELP....Coolant leaked out!!

Well, it was the water pump and thermostat. New hoses, pump, serp belt, coolant and all is costing damn near $800 + $110 for the tow. My warranty is covering about 70%. 69,000 miles. It seems the water pump has a timer that blows itself up around 70K according to what i've read about when they go. :smash:


[Modified by DSTJ99, 6:18 PM 7/26/2002]
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Old Jul 26, 2002 | 09:58 PM
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Default Re: HELP....Coolant leaked out!! (DSTJ99)

The timmer on my waterpump went out at 27,000 miles. Sad isn't it.
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