How Can I Tell Which Wheel Bearing Is Bad? Lets Find Out!

How can i tell which wheel bearing is bad – Alright, so how can i tell which wheel bearing is bad? Your car makin’ some weird noises? Sounds like something’s grindin’, hummin’, or clickin’ when you’re cruisin’ around Medan? Wheel bearings, man, they’re the unsung heroes of your ride, letting your wheels spin smoothly. But when they go bad, it’s a real pain in the
-burit*.

This guide is gonna hook you up with all the tips and tricks to figure out if your wheel bearings are toast, and which one is the culprit. Get ready to channel your inner mechanic, ’cause we’re about to dive in!

We’ll go through the telltale signs, like those funky sounds and changes in how your car handles. We’ll check out some visual inspections, from checking your tires to shaking the wheels. We’ll even do some hands-on tests like the “jack-up” test, where we’ll lift your car and spin the wheels. Plus, we’ll talk about using tools like stethoscopes and infrared thermometers to pinpoint the problem.

So, whether you’re a seasoned car enthusiast or just tryna save some money on repairs, this guide is for you!

Common Symptoms of a Failing Wheel Bearing

A failing wheel bearing presents a variety of symptoms, ranging from audible noises to changes in vehicle handling. Recognizing these signs early is crucial for preventing further damage and ensuring driving safety. The following sections detail the most common indicators of a deteriorating wheel bearing.

Audible Noises

The most frequent symptom of a failing wheel bearing is the production of distinct sounds. These noises often change in character and intensity as the bearing degrades further.

• Grinding: This sound is a harsh, metallic scraping noise. It often intensifies when turning the vehicle, as the load on the bearing shifts. This is a sign of significant wear and tear, indicating that the bearing’s internal components are severely damaged. The grinding sound is caused by the metal components within the bearing rubbing against each other due to the lack of proper lubrication or the presence of debris.

• Humming: A humming sound is a constant, low-frequency noise that increases in volume with vehicle speed. It’s similar to the sound of a helicopter or airplane in the distance. This is a common symptom of a bearing that is starting to fail but hasn’t yet reached a critical stage. The humming sound is created by the friction within the bearing as the internal components start to wear and lose their smooth rotation.

• Clicking: A clicking noise is often heard when the wheel bearing is damaged and is most noticeable during low-speed turns. This clicking sound arises when the bearing’s internal components are fractured or damaged, causing them to move and make a clicking noise as they rotate.

Changes in Vehicle Handling

Beyond the auditory symptoms, a failing wheel bearing can also affect the way a vehicle handles, potentially leading to instability and control issues.

• Looseness: A noticeable looseness in the steering wheel or a feeling of play in the wheel can occur. This is often more pronounced when cornering or driving over uneven surfaces. This looseness is caused by the bearing’s inability to maintain the wheel’s proper alignment, allowing for excessive movement.
• Vibration: Vibrations, felt through the steering wheel, floorboard, or seats, are another common indicator. The intensity of the vibration usually increases with speed. The vibration arises from the bearing’s inability to rotate smoothly, causing an imbalance that is transferred to the vehicle’s structure.

Speed-Related Symptom Variation

The severity of wheel bearing symptoms often correlates directly with the vehicle’s speed.

• Low Speeds: Clicking or clunking sounds are often more prominent at lower speeds, especially during turns.
• Moderate Speeds: Humming and vibration usually become noticeable at moderate speeds (e.g., 30-50 mph). The intensity of these symptoms will typically increase as speed increases.
• High Speeds: At higher speeds, the humming and vibration often become more pronounced, and the vehicle may feel less stable. The sounds may also become louder and more constant.

Potential Smells

A failing wheel bearing can generate distinct smells, signaling the severity of the problem.

• Burning Smell: A burning smell, similar to burning rubber or plastic, indicates that the bearing is overheating due to excessive friction. This is often accompanied by the grinding noise. This smell is caused by the degradation of the grease within the bearing, which is no longer able to effectively lubricate the moving parts.
• Other Smells: Depending on the type of wheel bearing, the smell might resemble hot metal or a combination of burning rubber and metal. This smell is a sign of a severely damaged bearing that needs immediate attention.

The “Jack-Up” Test

The “Jack-Up” test is a crucial diagnostic step in identifying a failing wheel bearing. This hands-on approach allows for direct assessment of the wheel’s condition, providing valuable clues about the bearing’s health. By carefully lifting and manipulating the vehicle, one can isolate the affected wheel and pinpoint the source of any abnormal noises or play.

Safe Lifting and Securing Procedures

Before performing any tests, safety is paramount. Improper lifting and securing can lead to serious injury or vehicle damage.The following steps Artikel the correct procedure:

• Preparation: Park the vehicle on a level, stable surface. Engage the parking brake firmly. If the vehicle has an automatic transmission, place the gear selector in “Park.” For manual transmissions, select first gear or reverse.
• Wheel Chocks: Place wheel chocks behind the wheels that will remain on the ground. This prevents the vehicle from rolling.
• Jack Placement: Consult the vehicle’s owner’s manual for the correct jack points. Using the wrong points can damage the vehicle’s frame or suspension components. The jack points are usually reinforced areas of the frame designed to bear the vehicle’s weight.
• Lifting: Position the jack under the designated jack point and slowly raise the vehicle until the tire is completely off the ground. Ensure there is enough clearance to safely work beneath the vehicle.
• Jack Stands: Place heavy-duty jack stands under the vehicle’s frame near the jack points. Never work under a vehicle supported only by a jack.
• Lowering onto Jack Stands: Slowly lower the vehicle onto the jack stands until the weight is fully supported. Ensure the jack stands are securely in place and stable.
• Testing Stability: Gently rock the vehicle to ensure the jack stands are stable and the vehicle is secure.

Spinning Each Wheel and Listening for Noises, How can i tell which wheel bearing is bad

This test helps to identify grinding, clicking, or other unusual sounds that indicate a failing wheel bearing. The process involves manually spinning each wheel and listening carefully for any abnormalities.The procedure is as follows:

• Neutral vs. Park/Gear: Before spinning the wheels, ensure the vehicle is in neutral. This eliminates the resistance from the drivetrain, allowing the wheels to spin freely. If the vehicle is in park (automatic) or gear (manual), the drivetrain components will impede the wheel’s rotation.
• Spinning the Wheel: Grasp the tire firmly with both hands and spin it as fast as possible. Listen intently for any grinding, clicking, humming, or other unusual noises.
• Identifying the Source: If a noise is detected, try to pinpoint its source. The sound will often be loudest when the bearing is under load (i.e., when the wheel is turning).
• Repeating the Process: Repeat the process for the other wheel, comparing the sounds. A failing wheel bearing will typically produce a more pronounced noise than a healthy one.

Performing the “Shake Test”

The “shake test” is a crucial part of the “Jack-Up” test. This test evaluates the wheel bearing’s play by checking for any looseness or movement.The test procedure is as follows:

• Vertical Shake (Top to Bottom): Place your hands at the top and bottom of the tire. Push and pull the tire vigorously. If the wheel bearing is worn, you’ll feel a noticeable clunking or play.
• Horizontal Shake (Side to Side): Place your hands on the sides of the tire (3 o’clock and 9 o’clock positions). Push and pull the tire side to side. Check for any play or movement. This test helps identify issues with the tie rod ends or ball joints, which can sometimes mimic wheel bearing failure.
• Interpreting Results: Any significant play detected in either the vertical or horizontal shake test indicates a potential problem. A small amount of play might be acceptable, but excessive movement suggests a failing wheel bearing or other suspension component.
• Vehicle in Park vs. Neutral: The results of the shake test will be different depending on whether the vehicle is in park or neutral. When in park, the parking brake is engaged, which can affect the wheel’s movement. In neutral, the wheel should move more freely, allowing for a clearer assessment of bearing play. The absence of play in park does not automatically rule out a bad bearing; the test in neutral is crucial.

Using a Stethoscope or Listening Device

Employing a stethoscope or a similar listening device offers a more precise method for diagnosing a failing wheel bearing compared to the “Jack-Up” Test alone. This technique allows for direct auditory inspection of the suspension components, helping to pinpoint the source of the noise. This method is especially useful when the noise is subtle or difficult to detect through other means.

Using the Stethoscope

A mechanic’s stethoscope, or a suitable listening device, is designed to amplify sounds, allowing you to hear subtle noises within the vehicle’s components. The process involves systematically placing the probe of the stethoscope on different suspension components while the wheel is spinning to isolate the source of any unusual sounds.To use the stethoscope effectively, follow these steps:* Ensure the vehicle is safely raised and supported on jack stands.

The wheel should be free to spin.

• Start the engine and shift the transmission to neutral (or park for automatic transmissions). This is critical for manual transmissions.
• Carefully place the stethoscope probe on various components near the wheel, beginning with the hub assembly, and then progressively moving towards the other parts.

The following list details the components to listen to, and the characteristics of a bad wheel bearing sound:

• Hub Assembly: This is the primary area to focus on. Place the probe directly on the hub body. A failing wheel bearing will typically produce a grinding, growling, or humming sound that increases in intensity with wheel speed. This sound may also change when the wheel is turned.
• Suspension Components: Move the probe to other components.
• Brake Caliper and Bracket: Listen for any rubbing or scraping sounds, which could indicate brake issues that might be masking or mimicking bearing noise.
• Shock Absorber/Strut: While less likely, a failing shock or strut can sometimes produce unusual noises. Listen for any clunking or hissing sounds.
• Control Arms and Ball Joints: Check for any squeaking or clicking sounds, which could indicate wear in these components.
• Wheel Speed and Sound Changes: Note how the sound changes as the wheel speed increases. A bad wheel bearing will typically become louder and more pronounced as the wheel spins faster.

Identifying a Bad Wheel Bearing Sound

The sound of a failing wheel bearing is often distinctive. The specific sound can vary depending on the bearing’s condition and the vehicle, but common characteristics include:

• Grinding: A gritty, abrasive sound, like metal rubbing against metal.
• Growling: A deep, rumbling noise, similar to the sound of a bad tire.
• Humming: A constant, low-frequency noise that increases with speed.
• Clicking/Clunking: Less common, but may indicate more severe damage or other related issues.

It’s important to remember that these sounds can sometimes be subtle, especially in the early stages of bearing failure.

Safety Precautions

Safety is paramount when using a listening device near moving parts. The following precautions should be observed:

• Secure Vehicle: Ensure the vehicle is securely supported on jack stands before starting the engine or spinning the wheels. Never work under a vehicle supported only by a jack.
• Keep Hands Clear: Keep your hands and clothing away from moving parts, especially the spinning wheel and tire.
• Be Mindful of Hot Components: Allow components, such as brakes, to cool before touching them, as they can become extremely hot during use.
• Engine Operation: Always be aware of the vehicle’s engine. If you’re not comfortable operating the engine while the vehicle is raised, seek professional assistance.
• Proper Hearing Protection: Wear appropriate hearing protection, such as earplugs or earmuffs, as the amplified sounds can be very loud.

Driving Test for Diagnosis

Performing a driving test is a crucial step in diagnosing a failing wheel bearing, complementing the static tests performed earlier. This dynamic assessment leverages the vehicle’s movement to amplify the sounds and sensations associated with bearing failure, providing valuable clues about the affected side and the severity of the problem. This approach is particularly helpful in situations where the initial tests yield inconclusive results.

Performing the Driving Test

The driving test involves a systematic approach to assess the vehicle’s behavior under various conditions. The goal is to identify changes in noise and handling that indicate a failing wheel bearing.

• Choose a Safe Location: Select a road with minimal traffic, allowing for variations in speed and direction. A smooth, even surface is ideal to minimize extraneous noises that could mask the bearing’s sound.
• Initial Assessment (Straight-Line Driving): Begin by driving at a moderate speed (e.g., 30-40 mph) in a straight line. Listen carefully for any humming, growling, or grinding noises. Note the intensity of the noise. Does it change with speed?
• Speed Variations: Gradually increase and decrease the speed, paying attention to how the noise changes. A bearing’s sound often becomes more pronounced at higher speeds.
• Turning Maneuvers: This is a key part of the test. Perform gentle turns, both left and right, at a moderate speed. Observe how the noise changes. The side of the vehicle where the noise intensifies when turning is usually the side with the failing bearing. For example, if the noise gets louder when turning left, the right-side bearing is likely the culprit, as the weight of the vehicle shifts onto the right wheel during the left turn.

• Braking Test: Apply the brakes gently and observe if the noise changes. A failing bearing may exhibit a change in sound under braking.
• Handling Assessment: Pay attention to any unusual vibrations or looseness in the steering wheel. A failing bearing can sometimes cause a subtle but noticeable change in handling.

Identifying the Affected Side

Determining which wheel bearing is failing often hinges on how the noise changes during turns. The principle behind this is the shift in weight distribution during a turn.

• Turning Left: If the noise intensifies when turning left, the right-side wheel bearing is likely the source of the problem. This is because the vehicle’s weight shifts to the right wheel during a left turn, putting more stress on that bearing.
• Turning Right: Conversely, if the noise increases when turning right, the left-side wheel bearing is probably failing. The weight transfer to the left wheel exacerbates the bearing’s issues.
• Noise Constant Regardless of Turning: If the noise remains consistent regardless of turning, the issue might be related to both wheel bearings or a different component altogether, requiring further investigation.

Driving Scenarios and Observations

The driving test benefits from specific scenarios to expose the failing bearing’s characteristics. These scenarios help in pinpointing the issue and evaluating its severity.

• Scenario 1: Straight-Line Driving at Varying Speeds:
  • Observation: Listen for a consistent humming, growling, or grinding sound. The intensity of the noise typically increases with speed. A constant noise that changes with speed suggests a bearing problem.
• Scenario 2: Gentle Turns (Left and Right):
  • Observation: Note whether the noise changes during turns. Does it get louder or quieter? A change in noise level during turns is a key indicator of a failing bearing, helping to pinpoint the affected side.
• Scenario 3: Sharp Turns (Left and Right):
  • Observation: Evaluate how the noise changes during sharper turns. A more pronounced noise increase during sharper turns often suggests a more severely damaged bearing.
• Scenario 4: Driving Over Uneven Surfaces:
  • Observation: Pay attention to any clunking or clicking sounds, especially when driving over bumps or rough patches. These noises can indicate a severely damaged bearing or other related suspension issues.
• Scenario 5: Braking:
  • Observation: Listen for changes in noise when applying the brakes. Some failing bearings may exhibit a change in sound or vibration under braking.

Using an Infrared Thermometer

An infrared thermometer offers a non-contact method for assessing wheel bearing health. This technique is particularly useful after driving, as heat generated by friction within a failing bearing is often the most readily detectable symptom. It allows for a quick and relatively accurate assessment without disassembling any components.

Taking Temperature Readings

The process of using an infrared thermometer involves several key steps to ensure accurate and reliable readings. These steps are crucial for obtaining meaningful data and interpreting the results correctly.

• Preparation: Park the vehicle on a level surface and engage the parking brake. Allow the vehicle to cool down for a few minutes if it has been driven aggressively, or for a longer period if driven gently. Ensure the tires are properly inflated.
• Driving: Drive the vehicle under conditions that would typically stress the wheel bearings. This could include highway driving for a set distance, or a period of stop-and-go driving. The goal is to generate heat within the bearings.
• Reading: After driving, carefully position yourself away from traffic and approach the vehicle. Aim the infrared thermometer at the center of the wheel hub, avoiding direct contact with brake components, which can also generate heat. Take a temperature reading. Repeat this process for all four wheel hubs.
• Recording: Record the temperature readings for each wheel hub. Note the ambient temperature as well. This information will be crucial for comparison and analysis.
• Comparison: Compare the readings from each wheel hub. A significant temperature difference between wheels suggests a potential problem. Compare the temperature readings to the chart provided to interpret the results.

Temperature Reading Comparison

Interpreting the temperature readings requires a systematic approach. The following table provides a guideline for comparing normal and abnormal temperature ranges for wheel bearings. Remember that ambient temperature can influence readings, so it’s essential to consider the environmental conditions during the test.

Causes of Elevated Temperatures

Elevated wheel bearing temperatures are often a symptom of underlying mechanical issues. Identifying the cause is crucial for effective diagnosis and repair. The following chart illustrates the common causes of elevated wheel bearing temperatures. Elevated Wheel Bearing Temperature||– Insufficient Lubrication –> Lack of grease or contaminated grease –> Dry bearings, friction, heat buildup||– Excessive Load –> Overloading the vehicle or towing beyond capacity –> Increased stress on the bearing, accelerated wear||– Misalignment –> Incorrect wheel alignment or suspension issues –> Uneven wear, increased friction, heat||– Damaged Bearing Components –> Cracked races, damaged balls/rollers –> Increased friction, heat, noise, and potential failure||– Incorrect Installation –> Improperly installed bearing or seal –> Premature wear, contamination, and heat

So, you’re wondering how to spot a bad wheel bearing, eh? Usually, you’ll hear a humming or grinding noise. Now, imagine that sound coming from something unusual, like perhaps a three wheel motorcycle – those bearings would be working overtime! Back to your car, if the noise changes with speed or turning, it’s a good sign the bearing is on its way out.

Check it before it becomes a real problem.

Identifying the Affected Side (Left or Right)

Pinpointing the specific side – left or right – where a wheel bearing is failing is crucial for efficient and accurate repair. While the previous diagnostic methods help determine the presence of a problem, this section focuses on differentiating which side is experiencing the issue. This often involves listening carefully and observing how the sound changes under different driving conditions, especially when turning the steering wheel.

This is the cornerstone of a precise diagnosis.

Turning Influence on Noise

The sound produced by a failing wheel bearing often changes when the vehicle is turning. This is because turning puts additional stress on the bearing, changing the load distribution. The side experiencing the noise change is typically the side where the bearing is failing. Understanding this relationship is key to accurate diagnosis.To effectively diagnose the affected side, observe how the noise changes when turning the steering wheel in both directions.

The table below Artikels the relationship between turning direction and noise characteristics for each side.

Tire Switching for Confirmation

Switching the front tires from side to side can help confirm the diagnosis. If the noise changes sides after the tire swap, it further confirms that the wheel bearing on the side where the noise now originates is indeed the problem. This method provides a reliable cross-validation of the initial findings.Here’s how to perform the tire switch for confirmation:

1. Safely raise the vehicle and support it with jack stands. Ensure the vehicle is stable.
2. Remove the front wheels.
3. Switch the positions of the front tires. The left tire goes on the right side, and the right tire goes on the left side.
4. Reinstall the wheels and tighten the lug nuts to the manufacturer’s specifications.
5. Lower the vehicle and test drive it.
6. Listen carefully for the wheel bearing noise. If the noise has shifted to the other side of the vehicle, the initial diagnosis is likely correct.

Diagnostic Tools (Beyond the Basics): How Can I Tell Which Wheel Bearing Is Bad

Beyond the basic diagnostic methods like the jack-up test and listening for noises, advanced tools can significantly improve the accuracy and efficiency of wheel bearing diagnosis. These tools help pinpoint the source of the problem, especially when the symptoms are subtle or intermittent. Utilizing these instruments requires a degree of mechanical understanding and adherence to safety protocols.

Using a Chassis Ear to Isolate Noises

A chassis ear, also known as an automotive stethoscope, is a specialized diagnostic tool used to isolate and identify the source of noises within a vehicle’s mechanical systems. It amplifies sounds, allowing a technician to pinpoint the exact location of a noise, such as a failing wheel bearing, that might be difficult to detect with the unaided ear.

• The chassis ear consists of several channels or sensors that are connected to various parts of the vehicle.
• These sensors are then connected to a control unit, which amplifies the sounds and transmits them through headphones.
• This allows the user to listen to the specific component where the sensor is placed, isolating the noise and helping to determine its source.

Tools Needed for Advanced Testing

To effectively use a chassis ear for wheel bearing diagnosis, specific tools are required. Having the right equipment ensures accurate results and enhances safety.

• Chassis Ear Kit: This is the core tool, typically including multiple sensors, connection cables, and a control unit with headphones. The quality of the kit can affect the accuracy and clarity of the sound.
• Vehicle Lift or Jack and Jack Stands: Necessary to safely raise and support the vehicle, allowing access to the wheels and suspension components. Never work under a vehicle supported only by a jack.
• Wheel Chocks: Essential for preventing the vehicle from rolling, especially when working on an incline or when the vehicle is raised.
• Gloves: Protective gloves are necessary to protect hands from dirt, grease, and potential injury.
• Safety Glasses: Protect the eyes from debris that might fall while working under the vehicle.
• Torque Wrench: For properly tightening wheel lug nuts and other fasteners to the manufacturer’s specifications. This is important for safety and the longevity of the repair.
• Appropriate Wrenches and Sockets: To remove and reinstall wheel components, such as brake calipers, rotors, and suspension parts.

Process of Using the Chassis Ear to Identify the Affected Wheel Bearing

Using a chassis ear to diagnose a failing wheel bearing is a systematic process that involves careful placement of the sensors and listening for specific sounds. This methodical approach enhances the likelihood of an accurate diagnosis.

1. Prepare the Vehicle: Safely raise and secure the vehicle using a lift or jack and jack stands. Ensure the vehicle is stable and chocked.
2. Attach the Sensors: Connect the sensors from the chassis ear to the control unit.
3. Position the Sensors: Place the sensors on the suspension components near the wheel bearings. Typically, the sensor is placed on the spindle, the spring perch, or the control arm closest to the wheel bearing being tested. Start with the sensor closest to the bearing and then move to the others.
4. Start the Engine (if necessary): If the noise is present only when the vehicle is in motion, start the engine and engage the appropriate gear. Be sure to keep the vehicle in a safe location, and have someone in the vehicle controlling the speed.
5. Listen for the Noise: Put on the headphones and listen carefully for any unusual noises. A failing wheel bearing will typically produce a grinding, growling, or humming sound.
6. Test Each Wheel: Repeat the process for each wheel, comparing the sounds. The wheel bearing producing the loudest or most distinct noise is likely the failing one.
7. Vary the Speed: If possible and safe, vary the vehicle’s speed while listening. The noise from a failing wheel bearing will often change in intensity or frequency as the speed increases.
8. Confirm the Diagnosis: Once a likely bearing is identified, use other diagnostic methods, such as the “jack-up” test, to confirm the diagnosis.

Safety Precautions While Using This Tool

Safety is paramount when using a chassis ear and working on a vehicle. Ignoring safety precautions can lead to serious injury or damage to the vehicle.

• Always Use Proper Vehicle Support: Never work under a vehicle supported only by a jack. Always use jack stands rated for the vehicle’s weight.
• Wear Safety Gear: Wear safety glasses and gloves to protect against flying debris and potential injuries.
• Secure the Vehicle: Use wheel chocks to prevent the vehicle from rolling, especially when working on an incline.
• Work in a Well-Ventilated Area: If the engine is running, ensure adequate ventilation to prevent carbon monoxide poisoning.
• Keep the Headphones on Low Volume: Start with the volume at a low level and gradually increase it to avoid damaging your hearing.
• Be Aware of Moving Parts: Keep hands and clothing away from moving parts, such as belts and pulleys, when the engine is running.
• Follow Manufacturer’s Instructions: Always refer to the chassis ear kit’s instructions and the vehicle’s service manual for specific safety guidelines.
• If Unsure, Seek Professional Help: If you are not comfortable or unsure about any part of the process, seek assistance from a qualified mechanic.

Last Word

So there you have it, a complete guide on how can i tell which wheel bearing is bad! You’ve learned the symptoms, the tests, and the tools to diagnose those pesky wheel bearing issues. Remember, a little bit of know-how can save you a whole lot of
-duit*. Keep your ears open, your eyes peeled, and your ride smooth.

Now you can confidently tackle those wheel bearing problems like a pro, and keep your car rollin’ like a boss on the streets of Medan and beyond! Good luck, and stay safe!

Key Questions Answered

What happens if I ignore a bad wheel bearing?

Ignoring it can be a big problem, man. The bearing can seize up, causing the wheel to lock up, which is super dangerous, and can lead to accidents. Plus, it can damage other parts of your car, like the brakes and suspension, making the repair even more expensive. Don’t play-play, fix it ASAP!

How long does it take to replace a wheel bearing?

It depends on your car and your experience. If you’re a pro, maybe a couple of hours. If you’re new to this, plan for a half-day or more. It’s always better to take your time and do it right than to rush and mess things up, right?

Can I drive my car with a bad wheel bearing?

Technically, you
-can*, but it’s not recommended. It’s risky and can get worse quickly. If you have to drive it, keep it short, drive slow, and be extra careful. The sooner you get it fixed, the better!

Do I need special tools to replace a wheel bearing?

Yeah, you’ll need some basic tools like wrenches, sockets, and a jack. Depending on your car, you might need a bearing puller or a special socket. If you’re not comfortable, better to take it to a workshop.

How much does it cost to replace a wheel bearing?

Costs can vary, bro. Parts usually run between $50 to $200, but can be more for fancy cars. Labor at a workshop will add to the cost. If you do it yourself, you only pay for the parts!