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Spongy Brakes on My 2022 Ram 2500 Big Horn - What's Wrong?

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Mike T. · rep 0 · May 25, 2:29 AM · 1 replies · solved · Question

Vehicle: 2022 Ram 2500 Big Horn

I've noticed my brake pedal feels really soft and spongy lately on my 2022 Ram 2500 Big Horn. It doesn't seem to have the same stopping power it used to, and I have to push the pedal down much further to get it to stop.

There are no warning lights on the dash, which is a bit confusing. The truck has around 40,000 miles, and I haven't had any brake work done recently, just routine maintenance. Could it be air in the lines, or something more serious like the master cylinder?

Any advice on what I should check or if this is a known issue with the 2500s?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 2:29 AM

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ClearTheCode admin answer: A soft or spongy brake pedal on your 2022 Ram 2500 Big Horn is a serious concern that requires immediate attention, as it indicates a compromise in your braking system's integrity. While no warning lights are on, this doesn't mean the issue isn't critical.

Here are the most common causes for a spongy brake pedal:

  1. Air in the Brake Lines: This is a very common culprit. Air is compressible, unlike brake fluid, leading to a spongy feel as the pedal pushes air instead of directly actuating the calipers. This can happen after brake work or if the fluid level gets too low.
  2. Failing Master Cylinder: The master cylinder is responsible for generating hydraulic pressure. If its internal seals are worn, fluid can bypass the piston, resulting in a soft pedal and reduced braking power.
  3. Brake Fluid Leak: A leak anywhere in the system (calipers, wheel cylinders, lines, hoses) will cause a loss of pressure and potentially allow air in. Check your fluid reservoir regularly and look for puddles under the truck or wet spots near wheels.
  4. Worn Calipers/Wheel Cylinders: While less common for a spongy pedal, a failing caliper or wheel cylinder can sometimes contribute.

What to check yourself:

  • Brake Fluid Level: Check the reservoir under the hood. If it's low, top it off and monitor for drops.
  • Visual Inspection: Look for any signs of fluid leaks around the wheels, brake lines, and master cylinder.

When to see a shop: Given that braking is a safety-critical system, it's strongly advised to have your Ram professionally inspected immediately. A mechanic can properly diagnose the issue by bleeding the brakes, checking for leaks under pressure, and testing the master cylinder. Driving with compromised brakes is extremely dangerous.

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