LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Coolant?

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Old 07-15-2006, 03:08 PM
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Default Coolant?

My upper and lower radiator hoses suck in(collapse) like theres a vacum after the car cools down completly! I rebuilt the motor this winter and put a CSR Electric water pump on and filled up the coolant from the thermostate housing (160* TStat). The car runs great and stays right at 170-175 Oh and I also deleted the heat Just wanted to know If this is normal? The hoeses open back up once the motor warms up or if I take off the radiator fill cap off. There is NO air in the system im almost positive!
Old 07-15-2006, 04:40 PM
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I had the same problem...just undo the hose closest to where its collapsing when you see it collapse like that...you might get a little coolant everywhere....but its worth a try! fixed mine when i did it




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