10/02/2026
π Audi making a loud whistling noise? Experiencing a lack of power or noticing itβs consuming more oil than usual?
At The Garage, weβre very familiar with the wide variety of Audi engine packages from the past 20 years. One common wear item we see can cause some unusual symptoms, including whistling noises, reduced performance, increased oil consumption, and even oil or coolant loss with no obvious external leak.
π§ The system in question is the PCV, or Positive Crankcase Ventilation system. On modern Audi engines, these have developed into more complex PCV breather systems that include oil separator components.
This week we dove into a fun and complex repair, replacing the oil separator and PCV breather components on Audiβs well-known 3.0L supercharged V6 engine. This engine was used across a wide range of Audi models during its roughly 10-year run and is known for delivering smooth, responsive power and plenty of performance. π
Getting to these components is a job in itself. The repair involves removing the supercharger and intake manifold assembly, along with several fuel system, PCV, and cooling system components to gain proper access.
Itβs exactly the kind of work we enjoy at The Garage. Audi packs an incredible amount of engineering into a very small space, making use of nearly every square inch. These engines really are impressive pieces of engineering when you get inside them. π§π©πͺ
If your Audi is whistling, losing power, consuming oil, or simply isnβt running the way it used to, itβs worth having it properly diagnosed.
The Garage - we're here to help you drive with confidence!
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Book your service with us today
π 604-733-1312
π» www.thegarage.ca
π Located in Burnaby, BC