17/12/2008
Ensuring your Audi receives regular and proper oil changes is paramount to its performance, longevity, and overall health. Engine oil is the lifeblood of your vehicle, lubricating moving parts, preventing wear, and helping to dissipate heat. Neglecting this crucial maintenance task can lead to significant engine damage and costly repairs. While many drivers opt for professional garage services, understanding the process and the components involved can empower you to make informed decisions about your Audi's care.

- Understanding Your Audi's Oil Change Process
- When to Change Your Audi's Oil
- Understanding Your Audi's Oil Pump and Associated Costs
- DIY vs. Professional Service
- Frequently Asked Questions (FAQs)
- Q1: How often should I change the oil in my Audi?
- Q2: Can I use any engine oil for my Audi?
- Q3: What are the signs of a failing oil pump in an Audi?
- Q4: Why are some Audi 2.0 TDI oil pumps problematic?
- Q5: Is a balance shaft delete kit suitable for my Audi TFSI engine?
- Q6: Do I need special tools to change my Audi's oil filter?
- Q7: How do I dispose of used engine oil?
- Q8: What is an 'exchange basis' for purchasing parts like oil pump modules?
Understanding Your Audi's Oil Change Process
Performing an oil change on your Audi, while seemingly straightforward, requires precision and the correct tools. It's a task many enthusiastic DIYers undertake, but it's essential to follow the manufacturer's guidelines to avoid potential issues. The first step for any home mechanic should always be to consult your specific Audi model's owner's manual. This invaluable resource provides the exact specifications for oil type, filter type, and torque settings for drain plugs and filters. If you don't have a physical copy, digital versions are often readily available online or through your local Audi dealership or trusted mechanic.
Essential Tools for a DIY Oil Change
Before you begin, gather all necessary tools and materials. Having everything at hand will make the process smoother and safer.
- New Engine Oil: Always use the specific grade and specification recommended by Audi for your model. This information is in your owner's manual.
- New Oil Filter: A fresh filter is crucial for removing contaminants. Ensure it's the correct part number for your Audi.
- Oil Filter Wrench: Many Audi oil filters require a specific cap-style wrench for removal, rather than a universal strap wrench.
- Oil Drain Plug Wrench: This could be a standard socket, Allen key, or Torx bit, depending on your Audi's model.
- Oil Pan/Container: A large enough receptacle to collect all the old oil, typically 5-8 litres for most Audis.
- Gloves: To protect your hands from hot oil and chemicals.
- Protective Glasses: Essential for eye safety, especially when working under the car.
- Jack and Jack Stands: For safely raising and supporting your vehicle. Never work under a car supported only by a jack.
- Funnel: To prevent spills when refilling new oil.
- Rags or Shop Towels: For cleaning up any spills.
- Torque Wrench: Highly recommended to ensure drain plug and filter are tightened to manufacturer specifications, preventing leaks or overtightening damage.
Step-by-Step DIY Oil Change Guide
- Warm the Engine: Run your Audi for 5-10 minutes to bring the oil to operating temperature. Warm oil flows more easily and carries more contaminants out.
- Lift and Secure the Vehicle: Safely raise your Audi using a jack and support it securely with jack stands on a level surface.
- Locate the Drain Plug: Position your oil pan directly beneath the oil drain plug, usually at the lowest point of the oil sump.
- Drain the Old Oil: Carefully remove the drain plug with the appropriate wrench. Be prepared for the hot oil to flow out quickly. Allow it to drain completely. Inspect the old oil for any metal shavings or unusual colour, which could indicate deeper engine issues.
- Replace the Drain Plug Washer: Always use a new crush washer or gasket on the drain plug to ensure a leak-free seal. Reinstall the drain plug and tighten it to the torque specified in your manual. Do not overtighten!
- Remove the Old Oil Filter: Locate the oil filter. Place a small drip pan underneath it, as some oil will spill. Use your oil filter wrench to loosen and remove the old filter.
- Prepare and Install the New Oil Filter: Apply a thin film of new engine oil to the rubber gasket of the new oil filter. This helps ensure a good seal. Screw on the new filter by hand until snug, then tighten it with the filter wrench according to your manual's specifications (usually a quarter to half turn past hand-tight, or a specific torque).
- Refill with New Oil: Lower your Audi. Using a funnel, slowly add the recommended amount and type of new engine oil. Start with slightly less than the full capacity, then check the dipstick.
- Check Oil Level and Inspect for Leaks: After refilling, start the engine and let it run for a minute or two to circulate the new oil. Turn off the engine, wait a few minutes for the oil to settle, then check the dipstick again. Top up as needed. While the engine is running and immediately after, check underneath for any leaks around the drain plug or oil filter.
- Reset Service Indicator: Many Audis have a service interval reminder that needs to be reset after an oil change. Consult your owner's manual for the specific procedure for your model.
- Dispose of Old Oil: Properly dispose of the used oil at an authorised recycling centre or garage. Never pour it down drains or onto the ground.
When to Change Your Audi's Oil
Audi's recommended oil change intervals can vary depending on the model, engine type, and driving conditions. Modern Audis often feature variable service intervals, sometimes up to 18,000 miles or two years, thanks to advanced engine design and long-life oils. However, for optimum engine health, especially if you do a lot of short journeys, stop-start city driving, or performance driving, it's often advisable to consider more frequent changes, perhaps every 9,000-10,000 miles or annually. Always refer to your owner's manual and your vehicle's service history for the most accurate guidance.
Understanding Your Audi's Oil Pump and Associated Costs
While an oil change is routine, sometimes more significant issues arise, such as a failing oil pump. The oil pump is a critical component responsible for circulating oil throughout your engine, ensuring all moving parts are adequately lubricated and cooled. A failing oil pump can lead to a catastrophic loss of oil pressure, resulting in severe engine damage.
Common Audi/VW 2.0 TDI Oil Pump Issues
Certain Audi/VW 2.0 TDI engines are known to suffer from specific oil pump drive issues, particularly concerning the hex key that drives the oil pump and balance shaft module. Earlier models often featured a shorter 77mm hex key, which could wear prematurely, leading to a loss of oil pump drive and subsequent engine damage. Later revisions introduced a longer, more robust 100mm hex key to address this problem. Additionally, these engines can have either chain-driven or gear-driven balance shaft systems, each with its own potential wear points.

New Oil Pump and Kit Pricing (UK & International)
Replacing an oil pump is a complex job, often requiring specialist tools and significant mechanical expertise. It's not a typical DIY task for the average home mechanic due to its location and the precision required for reassembly. The costs for new oil pumps and associated kits vary significantly depending on the specific part number and what components are included. The information provided highlights several options:
Individual New Oil Pumps (Audi / VW / Seat / Skoda 2.0TDI):
| Part Number | UK & NI Price (Inc. VAT & Delivery) | International Price (Inc. Delivery) |
|---|---|---|
| 03G 115 105 A | £172.59 | £187.59 |
| 03G 115 105 C & 03G 115 105 H | £184.94 | £199.94 |
| 03L 115 105 D (2009-2013 engines) | £116.99 | £136.99 |
Oil Pump Drive Components & Kits (Audi / VW 2.0TDI):
| Component/Kit | Description | UK & NI Price (Inc. VAT & Delivery) | International Price (Inc. Delivery) |
|---|---|---|---|
| Balance Shaft Timing Tool | Essential for correct balance shaft alignment. | £19.50 (Currently Out of Stock) | £24.50 (Currently Out of Stock) |
| Crankshaft Gear Housing and Oil Seal (03g 103 153B) | Includes Crankshaft Oil Seal & Housing. | £139.50 | £159.50 |
| Oil Pump Drive Gears | Includes Crankshaft Gear, Intermediate Gear, Balance Shaft Gear. | £309.99 | £324.99 |
| Kit 1 (KMB1) - Chain Tensioner Kit | Tensioner, Drive Chain, Small Sprocket/Gear, Drive Key, Bolts, Circlip. | £139.99 | £154.99 |
| Kit 2 (KMB2) - Inc. Oil Seal | Kit 1 components plus Crankshaft Oil Seal. | £144.99 | £159.99 |
| Kit 3 (KMB3) - Inc. Oil Seal & Crankshaft Sprocket | Kit 2 components plus non-genuine solid Crankshaft Sprocket. | £239.99 | £279.99 |
| Kit 4 (KMB4) - Inc. Oil Seal & Aluminium Crankshaft Oil Seal Housing | Kit 2 components plus Crankshaft Oil Seal Housing. | £265.00 | £280.00 |
| Kit 5 (KMB5) - Inc. Oil Seal, Crankshaft Sprocket & Aluminium Housing | Kit 4 components plus non-genuine solid Crankshaft Sprocket. | £389.98 | £418.00 |
| Kit 6 (KMB6) - Crankshaft Sprocket | Non-genuine solid, one-piece drive gear. | £119.99 | £144.50 |
| Kit 7 (KMB7) - Oil Pump Chain | Drive Chain only. | £58.99 | £68.99 |
Oil Pump Balance Shaft Modules (2.0TDI - Exchange Basis, Deposit Required for Immediate Dispatch):
| Kit | Description | UK & NI Price (Exchange, Inc. VAT & Delivery) | International Price (Exchange, Inc. Delivery) |
|---|---|---|---|
| Kit 8 (KMB8) - Chain Driven System | Remanufactured Balance Shaft with 100mm Hex Key. Lifetime Warranty. | £197.75 | £239.99 |
| Kit 9 (KMB9) - Gear Driven System | Remanufactured Balance Shaft with 100mm Hex Key. Lifetime Warranty. | £197.75 | £239.99 |
| Kit 10 (KMB10) - Gear Driven (Common Rail Diesel) | Remanufactured Balance Shaft with 100mm Hex Key for later common rail engines. | £197.75 | £236.00 |
| Kit 11 (KMB11) - Chain Tensioner Kit & Remanufactured Oil Pump Module | New external parts (tensioner, chain, sprockets, etc.) + remanufactured module with 100mm hex key. | £525.00 | £525.00 (Contact for postage) |
| Kit 12 (KMB12) - Chain to Gear Drive Conversion | Converts chain-driven to gear-driven system. New genuine drive gears, new oil pump, remanufactured balance shaft with 100mm hex key. 2-year warranty. | £625.00 | £625.00 (Contact for postage) |
Oil Pump & Balance Shaft Kits for 2.0 TFSI Petrol Engines (Audi / VW / Seat / Skoda):
| Kit | Description | UK & NI Price (Inc. VAT & Delivery) | International Price (Inc. Delivery) |
|---|---|---|---|
| Kit 13 (KMB13) - Oil Pump Chain Kit | New, genuine parts (except solid balance shaft sprocket). | £234.50 | £259.50 |
| Kit 14 (KMB14) - Oil Pump Chain Kit with Crankshaft Sprocket | Kit 13 components plus crankshaft sprocket. | £308.99 | £328.99 |
| Kit 15 (KMB15) - Balance Shaft Delete Kit (In-line engines) | Abolishes failure-prone balance shafts, adds larger oil pump, increases sump capacity. Includes modified oil pump, pressure relief valve, chain, sump baffle, pickup pipe, etc. Complex installation. | £427.99 | £449.99 |
| Kit 16 (KMB16) - Balance Shaft Delete Kit (Transverse engines) | Similar to Kit 15, but for transverse engines (A3, S3, Golf, Passat, etc.). | £427.99 | £449.99 |
Oil Pump & Chain Kit for 1.4 TDI Engines (VW Lupo/Polo, Audi A2):
| Kit | Description | UK & NI Price (Inc. VAT & Delivery) | International Price (Inc. Delivery) |
|---|---|---|---|
| Kit 17 (KMB17) - Chain Kit + Crankshaft Sprocket | All new parts, including crankshaft sprocket (not available from dealers). | £377.55 | £397.55 |
Important Considerations when Purchasing Oil Pump Parts:
- Part Number Verification: Always, always, always check your vehicle's existing part number to ensure compatibility. Engine codes and manufacturing years can overlap, making this crucial.
- Engine Code: Confirm your engine code matches the suitable codes listed for the specific kit or part.
- Exchange Basis: Many balance shaft modules and full conversion kits are sold on an exchange basis. This means you pay a deposit, receive the replacement part, and then return your old unit. The deposit is refunded upon receipt of your old part. Failure to return the old part or returning a damaged one may result in forfeiture of the deposit.
- Delivery: UK customers typically receive parts within 24 hours, while international customers can expect 3-5 days. Larger, heavier kits (like KMB11 and KMB12) may require direct contact for accurate shipping quotes due to their size and weight.
- Balance Shaft Hex Key: Note the emphasis on the improved 100mm hex drive key in remanufactured balance shafts, designed to eliminate the wear problem associated with the older 77mm key. This is a significant upgrade.
- Balance Shaft Delete Kits: For TFSI engines, these kits offer a solution to known balance shaft failure points by removing them entirely and integrating a higher-flowing oil pump with a crucial oil pressure relief valve to prevent over-pressurisation. This is a complex modification best left to experienced professionals.
DIY vs. Professional Service
While a routine oil change can be a rewarding DIY project for those with the right tools and a bit of mechanical aptitude, replacing an oil pump or undertaking a balance shaft conversion is a task of an entirely different magnitude. These jobs are intricate, require specialised knowledge, specific timing tools (like the balance shaft timing tool), and often involve significant disassembly of the engine. Incorrect installation can lead to severe and irreparable engine damage. For such complex repairs, engaging a qualified and experienced Audi specialist or mechanic is highly recommended. They possess the expertise, diagnostic tools, and proper equipment to ensure the job is done correctly and safely, preserving your Audi's performance and value.
Frequently Asked Questions (FAQs)
Q1: How often should I change the oil in my Audi?
A1: Refer to your Audi's owner's manual for the precise recommended service interval, which can vary by model and engine, often ranging from 9,000 to 18,000 miles or annually. However, for optimum engine health, especially with frequent short trips or spirited driving, consider changing it more frequently.
Q2: Can I use any engine oil for my Audi?
A2: Absolutely not. Audis require specific grades and specifications of engine oil (e.g., VW 504 00/507 00 for many diesel engines, VW 502 00/505 00 for many petrol engines). Using the wrong oil can cause severe engine damage. Always check your owner's manual for the exact requirements.
Q3: What are the signs of a failing oil pump in an Audi?
A3: Common signs include the oil pressure warning light illuminating on your dashboard, unusual noises (like ticking or knocking) coming from the engine due to lack of lubrication, and overheating. If you notice any of these, stop driving immediately and consult a mechanic.
Q4: Why are some Audi 2.0 TDI oil pumps problematic?
A4: Earlier 2.0 TDI engines, particularly those with chain-driven balance shaft modules, were known for a shorter 77mm hex key that connects the oil pump to the balance shaft. This key could wear down, leading to a loss of oil pump drive. Later revisions and remanufactured units often feature a longer, more durable 100mm hex key to mitigate this issue.

Q5: Is a balance shaft delete kit suitable for my Audi TFSI engine?
A5: Balance shaft delete kits are designed for specific 2.0 TFSI petrol engines to address common balance shaft failures. They replace the original balance shaft module with a simpler, often more reliable, oil pump system. This is a significant modification and should only be undertaken by experienced mechanics due to its complexity and the need for proper oil pressure relief mechanisms.
Q6: Do I need special tools to change my Audi's oil filter?
A6: Yes, many Audi models use a cartridge-style oil filter or a canister filter that requires a specific cap-style oil filter wrench to remove and install correctly. A universal strap wrench may not fit or provide adequate grip.
Q7: How do I dispose of used engine oil?
A7: Never pour used engine oil down drains or onto the ground. It is a hazardous waste. Collect it in a sealed container and take it to your local recycling centre, an authorised waste disposal facility, or a garage that accepts used oil for recycling.
Q8: What is an 'exchange basis' for purchasing parts like oil pump modules?
A8: An 'exchange basis' means you pay for the replacement part and a deposit. You receive the new or remanufactured part, and then you must return your old, faulty unit to the supplier. Once your old unit is received and inspected, the deposit is refunded. This system helps reduce costs and promotes recycling of components.
Maintaining your Audi's engine is fundamental to its performance and longevity. While routine oil changes are a manageable DIY task for many, addressing complex issues like oil pump replacement or balance shaft conversions requires a higher level of expertise and specialised tools. Always prioritise safety, consult your vehicle's manual, and don't hesitate to seek professional assistance for jobs beyond your comfort level. By staying vigilant with your Audi's maintenance, you ensure it continues to deliver the driving pleasure and reliability you expect from a premium German engineered vehicle.
If you want to read more articles similar to Audi Oil Change & Oil Pump Guide for UK Drivers, you can visit the Maintenance category.
