When to replace the Brake Discs on your TOYOTA 4RUNNER
Recommended replacement interval for the part category Brake disc : 50000 km
Important!
This replacement procedure can be used for:
TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) 4.7 4WD (UZN215), TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) 4.0 (GRN210) View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

Tools
Replacement: brake discs – TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_). List of the tools you'll need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Drive socket # 12
Drive socket # 17
Wheel impact socket #21
Ratchet wrench
Torque wrench
Flat Screwdriver
Pin punch
Tap wrench
Rubber mallet
Crow bar
Wheel chock
Replacement: brake discs – TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_). AUTODOC experts recommend:
  • Replace the brake disks on the car TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) in complete set for each axis. Regardless of the state of components. This will ensure even braking.
  • The replacement procedure is identical for both brake disks on the same axle.
  • When changing the brake discs, always replace the brake pads.
  • All work should be done with the engine stopped.
Replacement: brake discs – TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_). Use the following procedure:
  1. Step 1
    Open the bonnet. Unscrew the brake fluid reservoir cap.
    Step 2
    How to change Brake Discs on Toyota 4runner UZN210 2002 - free PDF and video manuals
    Secure the wheels with chocks.
  2. Step 3
    How to replace TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) 4.0 4WD (GRN215) 2003 Brake Discs - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #21.
  3. Step 4
    Raise the front of the car and secure on supports.
    Step 5
    Toyota 4runner UZN210 4.7 4WD (UZN215) 2004 Brake Discs replacement: free workshop manuals
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Important! Hold the wheel while unscrewing the fastening bolts. TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_)
  4. Step 6
    Changing Brake Discs on TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) 4.7 (UZN210) 2005 by yourself
    Remove the wheel.
  5. Step 7
    How to remove TOYOTA 4RUNNER 4.0 (GRN215) 2006 Brake Discs - online easy-to-follow instructions
    Clean the brake pads fasteners. Use a wire brush. Use a brake cleaner.
    Replacement: brake discs – TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_). Tip:
    After applying the spray, wait a few minutes.
  6. Step 8
    How to replace Brake Discs on TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) 2007: download PDF manuals and video instructions
    Remove the brake pads retaining clips. Use a crowbar. Use a flat screwdriver.
  7. Step 9
    How hard is it to do yourself: Brake Discs replacement on Toyota 4runner UZN210 4.0 4WD (GRN215) 2008 - download illustrated guide
    Remove the retainer of the brake pads. Use a pin punch. Use a rubber mallet.
  8. Step 10
    Need to know how to renew Brake Discs on TOYOTA 4RUNNER 2009? This free workshop manual will help you to do it yourself
    Remove the retaining spring of the brake pads.
  9. Step 11
    Changing of Brake Discs on Toyota 4runner UZN210 2002 won't be an issue if you follow this illustrated step-by-step guide
    Spread the brake pads. Use a crowbar.
  10. Step 12
    TOYOTA 4RUNNER 4.0 (GRN210) Brake Discs replacement: online guides and video tutorials
    Remove the brake pads.
  11. Step 13
    Replacing Brake Discs on Toyota 4runner UZN210 2004 4.0 4WD (GRN215) by yourself
    Clean the brake hose bracket fasteners. Use a wire brush. Use WD-40 spray.
  12. Step 14
    4 RUNNER (UZN21_, KZN21_, GRN21_) 4.0 (GRN215) 2005 Brake Discs DIY replacement workshop manual
    Disconnect the brake hose mounting bracket. Use a drive socket #12. Use a ratchet wrench.
  13. Step 15
    How to change Brake Discs on TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) 2006 - tips and tricks
    Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
  14. Step 16
    Step-by-step recommendations for DIY replacement Toyota 4runner UZN210 2007 4.0 (GRN215) Brake Discs
    Unscrew the brake caliper fastening. Use a drive socket #17. Use a tap wrench.
  15. Step 17
    DIY replacement of Brake Discs on TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) 4.0 (GRN210) 2008 is not an issue anymore with our step-by-step tutorial
    Remove the brake caliper.
    AUTODOC recommends:
    Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur.
  16. Step 18
    How to change Brake Discs on Toyota 4runner UZN210 2002 - free PDF and video manuals
    Clean the brake disk surface. Use WD-40 spray.
  17. Step 19
    How to replace TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) 4.0 4WD (GRN215) 2003 Brake Discs - step-by-step manuals and video guides
    Remove the brake disc. Use a rubber mallet.
  18. Step 20
    Toyota 4runner UZN210 4.7 4WD (UZN215) 2004 Brake Discs replacement: free workshop manuals
    Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
  19. Step 21
    Changing Brake Discs on TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) 4.7 (UZN210) 2005 by yourself
    Install the brake disc.
Was this manual helpful?
Please rate this manual on a scale from 1 to 5. If you have any questions, feel free to ask us.
Users voted – 0
Searching for the right tyres?

Find out which tyre and wheel sizes are compatible with the TOYOTA 4Runner Off-Road (N210) model.

Your profile is your personal assistant.

It can track car expenses, keep a car log and replacement schedule, and save favourite materials, notes and documents

Install the AUTODOC CLUB app!
Your personal car expenses manager, maintenance tips, reminders about upcoming appointments and service intervals, DIY repair instructions – all this on your phone.
TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) Brake Discs replace by yourself - Scan QR-code and download AUTODOC CLUB app
Scan

To download the app:

  • - scan the QR code
  • - download from App Store
  • - download from Google Play
Autodoc CLUB App icon
DIY TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) Brake Discs replacement - online guide
Tips & tricks for your TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_)
View more
  • How to change Brake rotors on TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) 4.0 (GRN210) - replacement tricks
    DIY starter repair | AUTODOC tips
  • Changing Brake disc Toyota 4runner UZN210 4.0 4WD (GRN215) - Replacement Tips
    5 common car washing mistakes | AUTODOC tips
  • Maintenance Hacks - TOYOTA 4 RUNNER (UZN21_, KZN21_, GRN21_) 4.7 4WD (UZN215) Brake disc kit replacement guide
    #TPMS Explained: Why Your Light is On and How to Respond Safely | AUTODOC tips
  • Replace Disc brake set on Toyota 4runner UZN210 - free video tips
    DIY alternator repair | AUTODOC tips