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 BigBlock434 Your Own Question

BigBlock434
BigBlock434, Chevy Mechanic
Category: Chevy
Satisfied Customers: 291
Experience:  ASE Master certified and 100% General Motors trained in all fields
Type Your Chevy Question Here...
BigBlock434 is online now
A new question is answered every 9 seconds

2004 Chevy Colorado. I am replacing hte front brakes. I have

Resolved Question:

2004 Chevy Colorado. I am replacing hte front brakes. I have the caliper off and the mount off. I have taken the four bolts from the back of the wheel assembly and the main 35 mm spindle nut. I have removed the one bolt I found for the ABS sensor bracket, but I can't seem to remove the hub?
Submitted: 4 years ago.
Category: Chevy
Expert:  BigBlock434 replied 4 years ago.
The only thing that could be holding the hub is rust, considering you have removed all the bolts that hold the unit in place. I can send you step by step instructions if you like.
Customer: replied 4 years ago.

step by step would be great

 

Expert:  BigBlock434 replied 4 years ago.
Wheel Hub/Speed Sensor Replacement

Removal Procedure

Caution: Refer to Brake Dust Caution in the Preface section.

Caution: Refer to ABS Component Handling Caution in the Preface section.


    Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the wheel drive shaft nut, if equipped. Refer to Wheel Drive Shaft Replacement
  3. Remove the front brake caliper bracket. Refer to Brake Caliper Replacement.

  4. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  5. Remove the antilock brake system (ABS) speed sensor wiring harness from the upper control arm.

  6. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  7. Remove the front retaining bolt for the speed sensor bracket at the upper control arm.

  8. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  9. Remove the speed senor bracket from the upper control arm.

  10. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.

    Important: Mark the holes used to mount the speed sensor electrical connector before removing. This will ensure the proper location of the speed sensor electrical connector for installation.

  11. Remove the speed sensor electrical connector from the body.

  12. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.

    Important: The following service procedure is to ensure that the speed sensor wiring harness is properly positioned so that the length of the wiring harness is correct for installation. Failure to do so could cause damage to the speed sensor wiring harness.

  13. Using white or bright colored paint, mark the location of the speed sensor wiring harness to the steering knuckle.

  14. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.

    Important: The splash shield will come off the steering knuckle when the wheel bearing/hub, brake rotor is removed.

  15. Remove the mounting bolts for the wheel bearing/hub, brake rotor assembly.

  16. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  17. Remove the wheel bearing/hub assembly from the knuckle.

  18. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.

    Important: Perform the following service procedure with the brake rotor on a flat surface that provides adequate clearance for the bearing assembly.

  19. Remove the mounting bolts from the wheel bearing/hub, to the brake rotor.

  20. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  21. Remove the wheel bearing/hub from the brake rotor.
  22. Clean the contact area between the wheel bearing/hub and the brake rotor.

Installation Procedure

  1. If necessary, install a new wheel speed sensor on the bearing hub. Refer to Front Wheel Speed Sensor Replacement.

  2. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  3. Position the wheel bearing/hub assembly on the brake rotor.
  4. Install the mounting bolts from the wheel bearing/hub assembly to the brake rotor.
  5. Notice: Refer to Fastener Notice in the Preface section.

    Important: The following service procedure is to be performed on a flat surface and to ensure that the brake rotor is securely attached to the hub assembly prior to the final torquing procedure. DO NOT use air tools of any type for this procedure.

  6. Tighten the bolts in crisscross pattern.
  7. Tighten
    Tighten the mounting bolts to 20 N·m (15 lb ft).

  8. Install the backing plate to the wheel bearing/hub, brake rotor assembly.

  9. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  10. Align the wheel speed sensor wiring harness with the reference mark on the steering knuckle.
  11. Install the wheel bearing/hub into the steering knuckle.

  12. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  13. Install the wheel bearing/hub mounting bolts.
  14. Tighten
    Tighten the mounting bolts to 125 N·m (92 lb ft).

  15. Install the brake caliper mounting bracket to the steering knuckle. Refer to Brake Caliper Bracket Replacement.

  16. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  17. Position a large screwdriver or pry bar in the cooling fins of the brake rotor and the brake caliper mounting bracket.
  18. Tighten the mounting bolts for the brake rotor in sequence.

  19. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  20. Using a torque wrench, tighten the mounting bolts.
  21. Tighten
    Tighten the mounting bolts to 110 N·m (81 lb ft).

  22. Install the wheel drive shaft nut. Refer to Wheel Drive Shaft Replacement.

  23. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  24. Install the wheel speed sensor wiring harness bracket to the upper control arm.

  25. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  26. Install the front retaining bolt for the speed sensor wiring harness.
  27. Tighten
    Tighten to retaining bolt to 20 N·m (14 lb ft).


    Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  28. Install the speed sensor wiring harness retainers in the upper control arm.

  29. Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  30. Reconnect the wheel speed sensor electrical connector.
  31. Install the wheel speed sensor connector to the body.
  32. Lower the vehicle. Refer to Lifting and Jacking the Vehicle.
BigBlock434, Chevy Mechanic
Category: Chevy
Satisfied Customers: 291
Experience: ASE Master certified and 100% General Motors trained in all fields
BigBlock434 and 13 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