Find answers to the most common Audi repair and maintenance questions at TP Auto Repair. Learn about service intervals, diagnostics, parts, and expert tips for every Audi model.
What Oil Does an Audi A5 Take? An Audi A5 typically requires fully synthetic engine oil that meets Audi/VW specification VW 504 00 / 507 00 (for most modern petrol and diesel engines), with viscosity grades such as 0W-30, 5W-30, or 5W-40 depending on the engine and climate. However, the exact oil type depends on …
Two Telltale Symptoms of a Failing Catalytic Converter Two of the most common symptoms of a failed or failing catalytic converter are a noticeable loss of engine power—especially during acceleration or driving uphill—and the illumination of the “Check Engine” light, often accompanied by trouble codes related to the emissions system. Why the Catalytic Converter Matters …
Is an Oil Filter Housing Leak Serious? An oil filter housing leak is usually serious and should be addressed quickly because it can lead to low oil levels, engine damage, and—if ignored—complete engine failure. While tiny, slow leaks might allow brief driving to a repair shop, any visible oil loss, burning smell, or warning light …
What Coolant Does a 2016 Audi A3 Take? The 2016 Audi A3 is designed to use a VW/Audi–approved G13 (or late-spec G12++) silicate-free, HOAT (hybrid organic acid technology) coolant, typically purple or pink in color, mixed 50/50 with distilled water; universal green or “any color” coolant without Volkswagen approval should be avoided. The Coolant Specification …
What Happens When a Brake Sensor Goes Bad? When a brake sensor goes bad, you’ll often see warning lights on the dashboard, experience unpredictable braking behavior, and notice changes such as longer stopping distances or odd pedal feel — all of which can compromise safety and should be checked quickly by a professional. Beyond the …
Do Audis Need Special Antifreeze? Yes, most modern Audis require specific, VW-approved coolant (often referred to as G12, G12++, G13, or their latest successors) rather than generic green or “universal” antifreeze. Using the wrong coolant can lead to corrosion, overheating issues, and potential damage to the cooling system, so it is important to follow Audi’s …
How Much Is a Transmission Fluid Change for an Audi Q5? For most Audi Q5 models in the United States, a transmission fluid change typically costs between $300 and $650 at a dealership or reputable independent shop, depending on model year, transmission type, region, and whether the service is a simple drain-and-fill or a full …
How Long Does the Battery Last in the Audi Q5? The 12‑volt battery in most Audi Q5 models typically lasts about 4–6 years under normal use, while the high‑voltage battery in plug‑in hybrid versions (Q5 TFSI e) is designed to retain the majority of its capacity for at least 8–10 years or around 100,000–150,000 miles, …
Is It Okay to Drive With a Bad MAF Sensor? Driving with a bad Mass Air Flow (MAF) sensor is technically possible for a short distance, but it is not safe or advisable: it can cause poor engine performance, increased fuel consumption, potential engine damage over time, and sudden loss of power that could put …
What Size Tires Are on a 2014 Audi Q7? The 2014 Audi Q7 typically comes with 19-inch tires in size 255/50R19 on most trims, but factory options and packages mean some models use 18-inch (255/55R18) or 20-inch (275/45R20) tires, and high-performance or S line–equipped versions may be fitted with 21-inch tires such as 295/35R21. The …
Should You Replace the Engine Air Filter Yourself? You can safely replace an engine air filter yourself in most modern cars if you’re comfortable opening the hood, following basic instructions, and using minimal tools; however, you should leave it to a professional if access is tight, your car uses a complex intake system, or you’re …
What Coolant a 2018 Audi A4 Uses — And Why It Matters A 2018 Audi A4 is designed to use OEM Volkswagen/Audi–approved G13 (purple/violet) coolant or its current superseding equivalent from Audi, always mixed with distilled water to about a 50/50 ratio, and never mixed with generic green or universal coolant. This specialized, silicate-containing, OAT-based …
What the Audi Central Indicator Light Means The central indicator light in an Audi is a general warning and information symbol that signals the driver to check the instrument cluster or vehicle messages for details. It can indicate anything from routine notifications to urgent faults, so understanding its color, accompanying icons, and messages is crucial …
What Type of Headlights Does Audi Use? Audi currently uses a mix of LED, Matrix LED (adaptive), laser, and increasingly OLED-based lighting technologies, with traditional halogen and xenon HID headlights largely phased out from new premium models. The brand is a pioneer in advanced, digitally controlled lighting systems that improve visibility, safety, and design flexibility …
How Much Is a 2014 Audi A6 Worth Today? A 2014 Audi A6 is typically worth between $9,000 and $18,000 USD in late 2025, depending heavily on mileage, condition, trim, options, region, and whether the car is being sold privately or by a dealer. Values at the very low or very high ends are possible …
Is an H11 Bulb High or Low Beam? An H11 bulb is most commonly used as a low-beam headlight or fog light bulb, but it can sometimes be used in high-beam applications depending on the vehicle’s design. In most modern cars, when you see “H11” in the headlight specification, it typically refers to a low-beam …
Where Does Coolant Go in a 2017 Audi A4? On a 2017 Audi A4, you add coolant to the translucent plastic coolant expansion tank located in the engine bay, typically on the passenger side near the firewall, and you fill it only up to the “MIN”–“MAX” marks when the engine is cold. This reservoir is …
Does the Audi A6 Have LED Lights? Yes, the Audi A6 has LED lights as standard equipment on recent model years, with higher trims and option packages offering advanced Matrix LED and HD Matrix LED headlights, as well as distinctive LED daytime running lights and LED taillights. Below is a detailed look at how Audi …
What Kind of Battery Does a 2012 Audi A4 Take? The 2012 Audi A4 typically uses a Group 48 (also known as H6) AGM or flooded lead-acid 12‑volt battery, with around 70–80 Ah capacity and 680–800 CCA, but the exact specification depends on engine, equipment, and climate; owners should match or exceed the original battery’s …
What Kind of Oil a 2019 Audi A7 Takes The 2019 Audi A7 requires high‑quality, fully synthetic engine oil that meets Audi/VW specification VW 508 00 (and compatible viscosity, most commonly SAE 0W‑20). Using the correct spec oil is critical for engine protection, warranty compliance, and long‑term reliability. Understanding the Official Oil Specification For the …
What Coolant Should You Use for Your Audi A4? For most modern Audi A4 models, you should use a pink or purple, silicate-free, OAT-based coolant that meets VW/Audi specification G12++, G13, or the newer G12evo standard—never generic green “universal” coolant, and never mix different coolant types without a full flush. Choosing the correct coolant protects …
What Are the Signs of a Faulty Fuel Pressure Regulator? A faulty fuel pressure regulator typically reveals itself through symptoms such as hard starting, rough idle, poor fuel economy, black exhaust smoke, fuel smell, loss of power, and in some cases fuel in the vacuum line. These signs appear because the engine is receiving either …
What Coolant Does a 2015 Audi A6 Use? The 2015 Audi A6 is designed to use a pink or purple, phosphate‑ and silicate‑free, HOAT/OAT-based coolant that meets VW/Audi specification G12++, G13, or their direct superseding equivalents; mixing it with generic green or “universal” coolant is not recommended. Understanding the Correct Coolant Specification For the 2015 …
What Is the Bolt Pattern on a 2001 Audi TT? The standard bolt pattern on a 2001 Audi TT is 5×100, meaning five wheel bolts arranged on a 100 mm diameter circle. This specification applies to most first-generation (8N) Audi TT models sold in North America and many other markets; however, owners should still verify …
What Oil Does a 2013 Audi A5 2.0T Take? The 2013 Audi A5 2.0T typically requires a full synthetic engine oil that meets VW 502 00 (or VW 504 00, where available) specifications, most commonly in 5W-40 or 5W-30 viscosity, with 5W-40 being the most widely used in North America and 5W-30 more common in …
Is It Worth Fixing a Catalytic Converter? Fixing a catalytic converter is usually worth it if you plan to keep the car, need to pass emissions testing, or the vehicle still has substantial value; it’s often not worth it for very old, low-value cars where the repair can exceed the car’s market price. The decision …
Does the Audi Q7 Have Matrix Headlights? Yes, the Audi Q7 does offer Matrix headlights, but availability depends on model year, market, and trim level; on recent Q7 models, Audi’s advanced Matrix LED technology is typically optional or included on higher trims rather than standard across the range. This article explains when and how the …
How Much Is a 2019 Audi A4 Worth Today? A 2019 Audi A4 is typically worth between $18,000 and $30,000 in late 2025, with most real-world transactions for well-kept, average-mileage models landing in the $20,000–$26,000 range. The exact value depends heavily on mileage, trim level, condition, options, drivetrain, and local market demand. The Market Position …
Can I Replace My Own Lug Nut? Yes, in most cases you can safely replace your own lug nut at home, provided the wheel stud is undamaged, you have the correct replacement nut, and you follow basic safety procedures like properly lifting and securing the vehicle and torquing the nut to spec. Below is a …
Rain-X vs. Bosch: Which Wiper Blades Are Better? Both Rain‑X and Bosch make strong-performing wiper blades, but for most drivers Bosch generally offers better overall wiping performance, durability, and quiet operation, while Rain‑X stands out for its budget-friendly price and its built-in water‑repellent technology on certain models. The better choice depends on your priorities: maximum …