What is a Diff and How Do I Know If Mine Needs work?

What is a diff and is mine playing up? Your diff is an important part of your car’s control system and is often found within your gearbox. It is widely known as a diff, but it is also known as a differential unit and it can be hard for you to determine if yours is playing up – especially if you’re not a “car person”.

What is a differential unit?

A differential unit can be found in the middle of both of your car’s axles. In front wheel drives, it is often found in the same casing with the gearbox. The diff plays three important roles in the working of your car:

1. The diff connects power from your car’s engine to the driving wheels, allowing the car to move.

2. It is the last gear reduction, which occurs in your vehicle.

3. The diff splits power between your wheels, allowing one wheel to rotate faster than the other. This allows the car to make turns more effectively.

Without the differential unit, your car would be much harder to control. That’s why it is of the utmost importance that it is kept in good condition.

What are the signs my diff needs works?

If you’re concerned that your diff may need some work, here are some warning signs that you should look out for:

1. Loud whining sounds during acceleration

2. Whirring noises happening during deceleration

3. Clunking noises every couple of metres

4. Clunking noises when shifting from drive to reverse

These signs indicate you may have worn, broken or misaligned pinion gears or bearings. These are important parts of the diff and need to be checked immediately.

Where should I go?

If your car shows any of these signs, don’t just take it to any car repair shop. You need to take it to a trusted diff specialist with the expertise and experience to inspect and repair your diff. At Gearbox and Diff Shop Automatics, we can offer you the best service you need for your car’s diff.

Whether it is a 2WD or a 4WD, we have the skill and knowledge needed to diagnose and fix any sort of diff unit. When it comes to differential units, we are experts in our field and guarantee to get it done right.

To book an appointment with us today, give us a call now.

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