why does my Ram 1500 DT (2019-Present) shake when I brake?

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

584 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 brake shaking in Ram 1500 DT (2019-Present). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on the braking system.
•Allow the vehicle to cool before working on components that may have been heated during operation.

Symptoms

•Shaking or vibration felt in the steering wheel or brake pedal when braking
•Increased stopping distance
•Uneven wear on brake pads or rotors
•Noise during braking (squeaking or grinding)
•Pulling to one side while braking

Diagnostic Steps

1
Inspect brake pads for wear and ensure they are evenly worn.
2
Check the brake rotors for warping or scoring using a dial indicator or straightedge.
3
Examine the brake calipers for proper operation and ensure they are not sticking.
4
Inspect the wheel bearings for play or excessive wear.
5
Verify tire condition and balance to rule out wheel-related issues.
6
Check suspension components for wear or damage that might contribute to vibrations.

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

•Socket set
•Torque wrench
•Brake lathe (if resurfacing rotors)
•Micrometer for measuring rotor thickness
•Screwdriver set

Parts Required

•Brake pads
•Brake rotors (if replacement is necessary)
•Wheel bearings (if replacement is necessary)

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Diagnostic Steps

1
Inspect brake pads for wear and ensure they are evenly worn.
2
Check the brake rotors for warping or scoring using a dial indicator or straightedge.
3
Examine the brake calipers for proper operation and ensure they are not sticking.
4
Inspect the wheel bearings for play or excessive wear.
5
Verify tire condition and balance to rule out wheel-related issues.
6
Check suspension components for wear or damage that might contribute to vibrations.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Replace Brake Pads

Sub-steps:
1. Remove the wheel using a socket set and torque wrench.
2. Remove the caliper bolts and gently slide the caliper off the rotor.
3. Inspect the brake pads for wear; if they are below manufacturer's specification (usually less than 3mm), replace them.
4. If replacing, install new brake pads, ensuring they are properly aligned.
5. Reinstall the caliper and torque the bolts to the manufacturer’s specifications (usually around 20-30 ft-lbs).

3. Check and Resurface or Replace Rotors

Sub-steps:
1. Remove the rotor from the hub by unscrewing the retaining screws (if applicable).
2. Measure the rotor thickness with a micrometer; if it is below the minimum thickness, replace.
3. If the rotor can be resurfaced, use a brake lathe to ensure a smooth surface.
4. Reinstall the rotor and torque to the manufacturer's specifications.

4. Inspect and Replace Wheel Bearings (if necessary)

Sub-steps:
1. Remove the brake assembly and rotor as previously described.
2. Check for play in the wheel bearing by grasping the rotor and shaking it; any movement indicates a need for replacement.
3. Remove the wheel hub assembly, replace the bearings, and reassemble.
4. Torque all bolts to manufacturer specifications.

5. Reinstall Wheel and Test Drive

Sub-steps:
1. Reinstall the wheel and torque the lug nuts in a star pattern to the manufacturer’s specifications (typically 100-130 ft-lbs).
2. Reconnect the battery.
3. Test drive to ensure the shaking during braking has been resolved.