Common oil leak areas on 2.0t Audi vw engineDrain plug / drain plug gasket and maybe the turbo oil return gasket to the block ( I show in my turbo videos )..
The short answer is, not a lot, but there are some minor differences. For starters, TSI stands for “Turbo Stratified Injection” and “FSI” stands for “Fuel Stratified Injection”. These apply to both Volkswagen and Audi direct fuel injection engines. Believe it or not, TFSI stands for “Turbo Fuel Stratified Injection.”.
The B8.5 SQ5's are generally solid, probably the most reliable / lowest cost of ownership vehicle Audi has made. A few things to note: Water pump and thermostat issues. Plenty of warning (small leaks) before they need to be replaced. About $1000 to replace. PCV under the supercharger. About $1000 to replace.
Step 3 – Check switches and wiring connections. A bad switch or worn wiring loom could cause a loss of connection. Some common problem areas include the wiring loom that feeds through the door to the window switches, as well as the central locking switch, which tends to corrode over time. Based on where VAG-COM indicates your issue is coming
Of course if you are racing this car, you have the money and resources to replace them every time you take out the car.) Tranny mount. Failure Symptom: Loud clunk or machine gun clunking/hard shifting while shifting gears or decelerating. Replaced with XX brand: stock, solid mount, 034.
One of the most common problems with supercharged Audi S4s is increased leaks. Boost leaks can cause the engine to lose strength and run poorly. If you think that your Audi S4 may also have a boost leak, it’s vital to have it diagnosed and repaired by way of a certified mechanic. Another common trouble with supercharged Audi S4s is detonation.
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audi s4 b6 common problems
