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Coolant hose from coolant resvour

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Old 10-11-2022, 10:50 PM
Bigrig40's Avatar
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Default Coolant hose from coolant resvour
I have a weird question the coolant resvour I know the notion hose goes to the filler cap area on radiator ..but where does the top one go mine has two hoses from the coolant resivour..top and bottom..where dies the top hose go to..on a 99 blazer 4.3l
 
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Old 10-11-2022, 11:08 PM
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Originally Posted by Bigrig40
I have a weird question the coolant resvour I know the notion hose goes to the filler cap area on radiator ..but where does the top one go mine has two hoses from the coolant resivour..top and bottom..where dies the top hose go to..on a 99 blazer 4.3l
One goes between the radiator and expansion tank and the other is the overflow for the expansion tank.
 
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