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Easiest way is to: l. Drain coolant by diconnecting lower radiator hose 2. Take off serpentine belt 15mm socket 3. Take off fan. 10 mm wrench. Keep upright on ground 4. Take off fan shroud. two halves separate. 2 bolts each side 5. Take off two hoses to pump 6. Unbolt water pump 1/2" socket and clean surface 7. Put gasket seal on new pump and install 8. Install two new radiator hoses 9. Install fan shroud 10. Install fan 11. Install serpentine belt 12. Add coolant

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12y ago
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Q: How do you replace the water pump on a Chevy Astro and What tools are needed?
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