DIY 02 03 04 05 Grand Am GT Front Brake Pads and Rotors Replace

Published on March 28, 2017
Duration: 12:59

This guide details the process of replacing front brake pads and rotors on a 2004 Pontiac Grand Am GT. It covers loosening lug nuts, removing the wheel and caliper, replacing pads and rotors, compressing the caliper piston, diagnosing seized calipers, and proper reassembly with torque specifications. The video emphasizes safety precautions and the importance of correct torque sequencing to prevent rotor warping.

Quick Summary

Replacing front brake pads and rotors on a 2004 Pontiac Grand Am GT involves loosening lug nuts, removing the caliper and old pads/rotor, compressing the piston, installing new components, and reassembling. Proper torque sequencing for lug nuts is crucial to prevent warped rotors. If a caliper seizes, diagnose by cracking the bleeder valve; bleeding the system is necessary after component replacement.

Chapters

  1. 00:00Introduction and Overview
  2. 00:07Loosening Lug Nuts
  3. 00:33Lifting Vehicle and Removing Wheel
  4. 00:57Removing Caliper Bolts
  5. 01:22Supporting and Removing Caliper
  6. 01:34Noting Caliper Bracket Orientation
  7. 02:30Inspecting Old Brake Pads
  8. 03:03Replacing Caliper Hardware
  9. 03:20Removing Brake Rotor
  10. 03:41Compressing Caliper Piston
  11. 04:01Diagnosing Seized Caliper Issues
  12. 04:47Addressing Stuck Bleeder Valve
  13. 06:33Installing New Hardware on Other Side
  14. 07:10Preparing New Rotors
  15. 07:48Reassembly: Caliper and Bracket
  16. 08:44Correct Hardware Installation
  17. 09:10Bracket Orientation Correction
  18. 09:27Seating New Pads and Pedal Pressure
  19. 10:02Brake Bleeding Procedure
  20. 10:15Reinstalling Wheels
  21. 10:18Lug Nut Tightening (Initial)
  22. 10:31Torque Sequence Explained
  23. 11:43Torquing Lug Nuts (3-Step Process)
  24. 12:25Final Torque Application

Frequently Asked Questions

What tools are needed to replace brake pads and rotors on a 2004 Grand Am GT?

Essential tools include a jack, jack stands, lug wrench, socket set (13mm, 3/4 inch, 19mm), C-clamp, hammer, rubber mallet, penetrating oil, brake parts cleaner, a pick tool, and a torque wrench. You will also need new brake fluid for bleeding.

How do I know if my brake caliper is seized?

To check for a seized caliper, crack the bleeder valve. If the piston retracts easily, the brake hose might be the issue. If it remains difficult to push back even with the bleeder open, the caliper is likely seizing up.

Why is a specific torque sequence important for lug nuts?

Following a multi-step torque sequence (e.g., 30, 60, 90 ft-lbs) in a star pattern prevents the wheel from mounting unevenly. This ensures the rotor sits flush, preventing microscopic wobbles that can lead to warped rotors and brake pedal pulsation.

What should I do after installing new brake pads and rotors?

After installation, start the engine and pump the brake pedal several times to seat the new pads against the rotor and build firm pedal pressure. If a new caliper was installed, bleed the brake system on that side.

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