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Greg A
Greg A, Master Troubleshooter
Category: Chevy
Satisfied Customers: 8252
Experience:  Working with Electronics & Cars for 25+ Years
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how to replace a water pump on 2001 chevy tahoe

Resolved Question:

how to replace a water pump on 2001 chevy tahoe
Submitted: 7 years ago.
Category: Chevy
Expert:  Greg A replied 7 years ago.

Hello & Welcome,

 

Can you tell us the 8th letter of your VIN (Vehicle Identification Number)? This will tell us what engine you have in your vehicle.

 

Thanks

Customer: replied 7 years ago.
t
Expert:  Greg A replied 7 years ago.

OK - Thanks.

 

That is the 5.3L engine. It will take me a few minutes to post the instructions, as there are a few diagarams to upload.

 

Back Soon, Greg A.

Expert:  Greg A replied 7 years ago.

Water Pump Replacement 4.8L, 5.3L, and 6.0L Engines

Removal Procedure

    graphic

  1. Drain the cooling system.
  2. Loosen the air cleaner outlet duct clamps at the following locations:
    • Throttle body
    • Mass airflow/intake air temperature (MAF/IAT) sensor
  3. Remove the radiator inlet hose clip from the outlet duct.
  4. Remove the air cleaner outlet duct.

    graphic
  5. If necessary, remove the engine sight shield. .
  6. Remove the radiator vent inlet hose from the radiator hose clips.

    graphic
  7. Reposition the inlet hose clamp at the water pump.
  8. Remove the inlet hose from the water pump.
  9. Remove the fan blade.
  10. Remove the accessory drive belt.

    graphic
  11. Reposition the outlet hose clamp at the water pump.
  12. Remove the outlet hose from the water pump.

    graphic
  13. Reposition the surge tank outlet hose clamp at the water pump.
  14. Remove the surge tank outlet hose from the water pump.

    graphic
  15. Reposition the heater inlet hose clamp at the water pump.
  16. Remove the heater inlet hose from the water pump.

    graphic
  17. Remove the water pump bolts.
  18. Remove the water pump and gaskets.
  19. Discard the water pump gaskets.
Installation Procedure

Important

All gaskets surfaces are to be free of oil or other foreign material during assembly.

 


    graphic

  1. Install the water pump and NEW gaskets.

    Notice

    Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

     

  2. Install the water pump bolts. Tighten
    1. Tighten the water pump bolts a first pass to 15 N·m (11 lb ft).
    2. Tighten the water pump bolts a final pass to 30 N·m (22 lb ft).


    graphic
  3. Install the heater inlet hose to the water pump.
  4. Position the heater inlet hose clamp at the water pump.

    graphic
  5. Install the surge tank outlet hose to the water pump.
  6. Position the surge tank outlet hose clamp at the water pump.

    graphic
  7. Install the outlet hose to the water pump.
  8. Position the outlet hose clamp at the water pump.
  9. Install the accessory drive belt.
  10. Install the fan blade.

    graphic
  11. Install the inlet hose to the water pump.
  12. Position the inlet hose clamp at the water pump.

    graphic
  13. Install the engine vent inlet hose to the radiator hose clips.
  14. If necessary, install the engine sight shield.

    graphic

    Important

    Align the arrow at the throttle body end of the duct with the throttle body attaching stud.

     

  15. Install the air cleaner outlet duct.
  16. Install the radiator inlet hose clip to the outlet duct.
  17. Tighten the air cleaner outlet duct clamps at the following locations:
    • Throttle body
    • MAF/IAT sensor Tighten

      Tighten the air cleaner outlet duct clamp screws to 7 N·m (62 lb in).

  18. Fill the cooling system.

.

I hope this helps. Please let me know if you need more help.

 

Thanks, XXXXX

Customer: replied 7 years ago.
i am so sorry i made a mistake, i ment the fuel pump. i will accept this anyway. can you help on the fuel pump replacement
Expert:  Greg A replied 7 years ago.

Not a problem. It has less diagrams - lol.

 

Fuel Tank Pump Module Replacement

Removal Procedure

  1. Remove the fuel sender assembly. (see procedure after this one)

    graphic
  2. Remove the strainer from the fuel sender.
  3. Remove the fuel level sensor (3).
  4. Remove the fuel pressure sensor (1).

Installation Procedure


    graphic

  1. Install the fuel pressure sensor (1).
  2. Install the fuel level sensor (3).
  3. Install a new fuel strainer (2).
  4. Install the fuel sender assembly.

.

 

Fuel Sender Assembly Replacement

Tools Required

J 44402 Fuel Tank Sending Unit Wrench

 

graphic

Removal Procedure

  1. Remove the fuel tank.
  2. Remove fuel lines from sender assembly.

    graphic
  3. Remove the fuel sender assembly retaining ring using the J 44402 .
  4. Remove the fuel sender assembly and the seal. Discard the seal.

    Caution

    Drain the fuel from the fuel sender assembly into an approved container in order to reduce the risk of fire and personal injury. Never store the fuel in an open container.

     

  5. Clean the fuel sender sealing surfaces.

Installation Procedure


    graphic

    Caution

    In order to reduce the risk of fire and personal injury that may result from a fuel leak, always replace the fuel sender gasket when reinstalling the fuel sender assembly.

     

  1. Install the new seal on the fuel tank.

    Important

    The fuel pump strainer must be in a horizontal position when the fuel sender is installed in the tank. When installing the fuel sender assembly, assure that the fuel pump strainer does not block full travel of the float arm.

     

  2. Install the fuel sender assembly into the fuel tank.

    Notice

    Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

     

  3. Install the fuel sender assembly retaining ring using the J 44402 .
  4. Install fuel lines to sender assembly.
  5. Install the fuel tank.

.

I hope this helps. Please let me know if you need more information.

 

Take Care, Greg A.

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