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Travis
Travis, Chevy Technician
Category: Chevy
Satisfied Customers: 980
Experience:  7+ years of GM dealership experience, GM ASEP trained, Assoc. Degree in Auto. Tech.
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How to change a water pump on a 1999 chevy blazer?

Customer Question

How to change a water pump on a 1999 chevy blazer?
Submitted: 8 years ago.
Category: Chevy
Expert:  Travis replied 8 years ago.

Thanks for the question.

 

Do you have the 4.3 ltr engine?

Customer: replied 8 years ago.
Yes, It's a 4.3 ltr. engine
Expert:  Travis replied 8 years ago.
  • Drain the coolant from the radiator.
  • Remove the drive belt.
  • Remove the upper fan shroud.
  • Remove the cooling fan and clutch assembly.
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  • Remove the water pump drive pulley.
  • Loosen the radiator outlet hose clamp.
  • Remove radiator outlet hose from the water pump.
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    Remove the water pump attaching bolts.

     

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    Remove the water pump from the engine.

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  • Remove the water pump gaskets.
  • Ensure that all mating surfaces are clean and free of gasket material or burrs.