Car Makes Moaning Noises When Backing Up (Causes and Fixes)

Jos Fallon
Car Makes Moaning Noises When Backing Up

Does your car make moaning noises when backing up? Then, you should check this out. This article talks about what causes your car to make moaning noises when backing up and how you can fix the issue.

It’s always important to carry out routine checks on your car and pay attention to signs and sounds coming from the vehicle in order to know if there’s a problem that needs to be fixed.

One of the signs to pay attention to is if your car makes a moaning noise each time you reverse the car. This isn’t normal and signifies there’s something wrong somewhere.

It might be a grinding, pop, whining, clunking, or creaking noise that you might hear. Whatever it is, it means there’s a problem.

Let’s look at some things that can cause your car to make these sounds.

Causes Of Noise When Backing Up and Fixes

When your car makes moaning noises, it’s most likely a brake-related issue. When these issues arise or you notice any sign related to anything listed below, you should take your car to a mechanic as soon as possible and not take any chances.

Moving on, here’s a list of things that can lead to your car producing funny noises.

Car ABS Light On After Brake Job

1. Bad Braking System

The braking system of a car is inarguably the most important component of a car and for good reason.

Although all components of a car need to be serviced regularly to keep them in good condition, the braking system is one of those components that should come first. It should never be overlooked.

There’s a popular saying: “if you are not confident in your car’s ability to stop safely when you apply the brakes, then don’t start at all“.

The brake is composed of several components working together to ensure the car stops or slows down when necessary. When funny sounds start coming from the brakes each time you step on it while reversing, it means you should get it checked.

It might not be something so serious but, you shouldn’t take any chances.

How To Fix

You need to visit a mechanic to check the whole braking system and fix any issues they might have.

Car interior on display

2. Brake Fluid Leakage or Low Brake Fluid

The braking system comprises several components working together to ensure the car stops or slows down when necessary.

Each time you step on your brakes, you’re supposed to feel some resistance. When you press down on your brake pedal and the expected resistance is not met, it is a sign there’s a leakage or your brake fluid is at a low level.

This can cause your car to moan whenever you step on the brakes.

How To Fix

  1. Identifying the source of the leakage
  2.  Isolate the leaking components (this will make it easier to fix without causing further damage or experiencing unnecessary complications)
  3. Change the damaged part of the brake fluid unit, and make sure it is the part specific to your vehicle as spare parts are vehicle specific.
  4. Change the old fluid and replace it with new fluid, you can open the valves and pump the engine to ensure the fluids are totally out while adding new fluid to the reservoir, don’t stop until new fluids come out of the valves.
  5. Ensure no air bubbles are in between the master cylinder and the valves.

3. Brake Pad Pulsation

This is when a car shudders and gives a funny sound when the brakes are applied and without any doubt, it means there’s a problem with the car’s braking system

This could be a result of things such as the deposition of loose brake materials in the braking caliper, misalignment due to accumulation of debris within the braking system, or wearing on the pedals.

How To Fix

The braking system must be disassembled and cleaned to remove any debris present. After that, lubricate and assemble.

In the case of worn brake pedals, especially if it is less than a quarter-inch or 3 millimeters thick, then the pedals should be replaced as they’ll be too worn out to be effective.

4. Collision of Dust Shield With The Brake Rotor Discs

If the dust shield or brake rotor discs get loosened, they can wobble out of place and collide with one another. This collision can cause the car to give a strange sound.

How To Fix

The simple way to fix this is to unscrew the bolts on the dust shield or brake rotor discs and ensure they aren’t worn out. If they are, get them changed and clean out any accumulated dust.

Then tighten the dust shield or brake rotor discs and ensure the bolts are well drawn.

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