why does my Ford F-150 shake when I brake

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

512 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix shaking during braking in Ford F-150. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely lifted and supported before working underneath.
•Wear safety glasses to protect your eyes from brake dust and debris.

Symptoms

•Steering wheel pulsates or shakes when brakes are applied
•Vibration felt in the brake pedal
•Uneven wear on brake pads or rotors
•Increased stopping distance
•Noise from brakes (grinding or squeaking) when applied

Diagnostic Steps

1
Inspect brake pads for wear and ensure they are within specification.
2
Check brake rotors for warping using a runout gauge.
3
Verify wheel lug nut torque to ensure proper installation.
4
Examine suspension components (ball joints, tie rods, etc.) for wear or damage.
5
Inspect tires for uneven wear or damage that could contribute to vibrations.
6
Scan for any stored error codes related to the braking system.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Jack and jack stands
•Lug wrench
•Socket set
•Torque wrench
•Brake cleaner
•Dial indicator

Parts Required

•Brake pads
•Brake rotors

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Diagnostic Steps

1
Inspect brake pads for wear and ensure they are within specification.
2
Check brake rotors for warping using a runout gauge.
3
Verify wheel lug nut torque to ensure proper installation.
4
Examine suspension components (ball joints, tie rods, etc.) for wear or damage.
5
Inspect tires for uneven wear or damage that could contribute to vibrations.
6
Scan for any stored error codes related to the braking system.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface with the parking brake engaged.

2. Remove Wheel

Loosen lug nuts slightly while the vehicle is on the ground.
Use a jack to lift the vehicle and secure it with jack stands.
Remove the lug nuts completely and take off the wheel.

3. Inspect Brake Components

Brake Pads:
- Remove the caliper by unscrewing the caliper bolts.
- Inspect brake pads for thickness; replace if below manufacturer specifications.
Brake Rotors:
- Remove the rotor by unscrewing any retaining screws and sliding it off.
- Check for warping using a dial indicator; replace if warping exceeds specifications (typically 0.002 inches).

4. Replace Components (if necessary)

If brake pads or rotors are worn, replace them:
- Brake Pads:
  - Install new brake pads into the caliper bracket.
- Brake Rotors:
  - Install the new rotor and secure it with retaining screws.

5. Reassemble Brake System

Reattach the caliper and tighten bolts to the manufacturer's torque specification (usually 20-30 ft-lbs).
Reinstall the wheel and hand-tighten the lug nuts.
Lower the vehicle, then torque the lug nuts to the manufacturer's specifications (typically 100-150 ft-lbs).

6. Final Checks

Pump the brake pedal to ensure proper seating of new components.
Test drive the vehicle to ensure the issue has been resolved.