How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Greg A Your Own Question

Greg A
Greg A, Master Troubleshooter
Category: Chevy
Satisfied Customers: 6312
Experience:  Working with Electronics & Cars for 25+ Years
5229702
Type Your Chevy Question Here...
Greg A is online now
A new question is answered every 9 seconds

how to replace a water pump on 2001 chevy tahoe

Resolved Question:

how to replace a water pump on 2001 chevy tahoe
Submitted: 5 years ago.
Category: Chevy
Expert:  Greg A replied 5 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 5 years ago.
t
Expert:  Greg A replied 5 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 5 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 5 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 5 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.

Greg A, Master Troubleshooter
Category: Chevy
Satisfied Customers: 6312
Experience: Working with Electronics & Cars for 25+ Years
Greg A and 10 other Chevy Specialists are ready to help you

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money. Todd L Rochester NY
< Last | Next >
  • I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money. Todd L Rochester NY
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
  • This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!! Alex Los Angeles, CA
  • Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult. GP Hesperia, CA
  • I couldn't be more satisfied! This is the site I will always come to when I need a second opinion. Justin Kernersville, NC
  • Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around. Esther Woodstock, NY
  • Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know. Robin Elkton, Maryland
 
 
 

Meet The Experts:

 
 
 
  • Tim's Auto Repair

    mechanic

    Satisfied Customers:

    7641
    Have owned a repair shop for 25 yrs.
< Last | Next >
  • http://ww2.justanswer.com/uploads/TI/tim37857/2011-10-28_23053_S6301814.64x64.JPG Tim's Auto Repair's Avatar

    Tim's Auto Repair

    mechanic

    Satisfied Customers:

    7641
    Have owned a repair shop for 25 yrs.
  • http://ww2.justanswer.com/uploads/DT/dt69nova/2012-6-15_234154_pic1.64x64.jpg Dave Nova's Avatar

    Dave Nova

    Chevrolet Technician

    Satisfied Customers:

    6870
    ASE Master Certification. GM World Class Certification
  • http://ww2.justanswer.com/uploads/ggrote1/2009-06-27_031011_me.jpg Gary's Avatar

    Gary

    Chevy Technician

    Satisfied Customers:

    5404
    15 years GM master tech
  • http://ww2.justanswer.com/uploads/testedtuff/2009-09-26_170108_pictures.jpg John's Avatar

    John

    Master A.S.E Automotive technician

    Satisfied Customers:

    4071
    A.S.E MasterTechnician A1-A8 w/L1,38 years experience General Motors Master Technician
  • http://ww2.justanswer.com/uploads/RO/rodcuda/2011-7-25_224114_Donhoff1.64x64.JPG Neal's Avatar

    Neal

    Chevy Mechanic

    Satisfied Customers:

    2306
    Shop Owner and Mechanic on multiple makes.
  • http://ww2.justanswer.com/uploads/goodwrench9124/2008-11-09_220838_dscf0007.jpg goodwrench9124's Avatar

    goodwrench9124

    ASE Certified Technician

    Satisfied Customers:

    2041
    Ase Master Certified, GM Master Certified Tech. Awarded GM Top performer, Hybrid certified
  • http://ww2.justanswer.com/uploads/DR/drivefast1971/2012-1-12_172422_0009051tQKh.64x64.jpg Ron Z.'s Avatar

    Ron Z.

    - Chevy Tech -

    Satisfied Customers:

    1912
    18+yrs experience. State Inspector and Chevy Diagnostics
 
 
 
Chat Now With A Chevy Mechanic
Greg A
Greg A
942 Satisfied Customers
Working with Electronics & Cars for 25+ Years