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

Water Pump?

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Old Feb 3, 2010 | 11:02 AM
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Default Water Pump?
I have been having my low coolant light come on from time to time. Noticed air in the system. I also put a new thermostate in and noticed no water in the top radiator hose. started engine and the bottom radiator hose stays cool top gets hot but no water flow. I pulled top hose off and started engine and no fluid comes out. Is this a bad water pump? if so how easy is it to change, thanks for the help
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Old Feb 3, 2010 | 11:04 AM
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the year is an 89
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Old Feb 3, 2010 | 11:41 AM
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Originally Posted by lbrehm02
the year is an 89

I sent you a Private Message
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Old Feb 3, 2010 | 12:19 PM
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Originally Posted by lbrehm02
I have been having my low coolant light come on from time to time. Noticed air in the system. I also put a new thermostate in and noticed no water in the top radiator hose. started engine and the bottom radiator hose stays cool top gets hot but no water flow. I pulled top hose off and started engine and no fluid comes out. Is this a bad water pump? if so how easy is it to change, thanks for the help
Sounds like you are getting air in your system. Lost the seal when you changed the t-stat? Didn't bleed the system? Need a new radiator cap?

Take your pick.
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Old Feb 3, 2010 | 01:23 PM
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Originally Posted by lbrehm02
the year is an 89
Here are the proper cooling system burping instructions for an L98 engine.
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