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Thread: Water Pump Tension?
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04-19-2008 #1
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Water Pump Tension?
how freely should a water pump spin? My edelbrock unit is about 4 year old now and if i spin it with my hand it will get about a 1/4 rotation then stop. Is it time for a new unit??
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04-20-2008 #2
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Most pumps have bearings that are tight when new and tend to normally loosen up with age. Most also have a "weep hole" that begins to leak when the pump is worn out. Assuming that your pump is not leaking, making noise, or not moving water (engine recently overheating?), I would not replace it.
04-20-2008 #3
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With both the rubber contact seals installed in the bearing plus the mechanical seal on the impeller side there is significant friction. As stated above, unless abnormal noise, roughness, or weeping is observed it should be fine.
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04-20-2008 #4
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Right- I worded that wrong- it's the seals that make it feel "tight"
04-20-2008 #5
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ok..you all just saved me $150...thanks!!!!
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