Audi differential pinion seal replacement costs & repairs

Frequently Asked Questions

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AutoGuru can provide servicing and repair quotes for the majority of passenger vehicles on Australian roads. If you don’t see your vehicle listed, we’re really sorry but at this time we don’t have sufficient details on this vehicle type to provide you with quotes. Please try us again in the future though, as we are always updating our vehicle listings!

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Instantly priced quotes for servicing and repair work via AutoGuru.com.au include parts, labour and GST. Note: Quotes for inspection and diagnostic jobs do not include pricing for parts.

Service providers are advised to contact you directly in order to discuss additional work that is not included in the initial quote.

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No. The Australian Competition & Consumer Commission (ACCC) states that any certified mechanical workshop or mobile mechanic can service or repair your car without voiding your New Car Manufacturers Warranty. Find out more

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If you booked through AutoGuru and your booking has been confirmed, you can reschedule to a new date or time. Simply click the 'manage my booking' link on your booking confirmation email. If you need help email contactus@autoguru.com.au. If you cancel or don't show up and don't reschedule (and you have prepaid in advance), a $20 cancellation fee will apply.

If you’ve booked with a workshop, the service provider will usually require your vehicle for the entire day due to scheduling. If you’ve booked with a mobile provider, you will only be without your vehicle for the time it takes to complete the job. Find out more

Yes! Some service providers can offer a loan car depending on their availability. Find out more

Most service providers also offer either a drop off or pick up service, where they can drop you off at or pick you up from a location within a 5km radius of their business, or a $10 Uber ride voucher. Find out more

For servicing, inspections and select repairs, we can provide instant quotes. However, some tasks require a quote request to be sent to service providers. You will usually receive at least one quote within 24 hours.

If you have sent off a quote request to local service providers through AutoGuru, you can expect to receive up to five quotes back.

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Booking your car service or repair through AutoGuru gives you access to these convenient payment options:

1. Pay upfront and online using your credit or debit card or PayPal
2. Flexible payment options with Afterpay, humm, Zip or PayPal
3. In some instances, you can choose to pay the mechanic when you pick your car up and the service and/or repairs have been completed

Yes, all service providers should provide an invoice when you pick up the car. Find out more

What Happens if I Don't Replace My Audi Differential Pinion Seal?

The differential is an amazing piece of engineering - it allows for the drive from the engine and transmission to turn the wheels at different speeds using a set of gears and axles to allow your Audi to travel along the road.

Those gears and axles are lubricated by differential oil to keep things running smoothly.

On the front of the differential, there is a mating surface where the driveshaft attaches. This is known as the differential pinion and there is a seal behind this pinion to stop dirt and debris from entering the internals of your Audi's diff.

A thin spring on the inside of the seal keeps tension on the seal which prevents oil from leaking past. Poor oil conditions can be harsh on the seal and once a leak develops, this seal will need to be replaced.

This seal can degrade over time and will need to be replaced to prevent any damage from occurring to the internals of the differential.

You may notice these signs when a differential pinion seal needs to be replaced:

Oil leaking from the pinion seal

Low diff fluid levels

Whining noise from diff while driving

Some 4WD vehicles will have front and rear pinion seals, so both need to be inspected to ensure the correct seal is being replaced.

It is best practice to replace your Audi's differential fluid at the same time as replacing the seal.

Having a differential that is operating correctly is imperative to the proper operation of your Audi.

If the differential fluid is low, increased wear or even complete differential failure can occur leaving you stranded at the side of the road.

To avoid breakdowns and costly tows have your differential pinion seal replaced when you see the signs, that’s when AutoGuru can help book you in with the best local mechanics.