Step 1 – Check key fob and battery voltage. These are the two easiest things to check and fix. The first and most obvious thing to check is your key fob battery. If a fresh battery fixes the problem, consider yourself lucky. If not, also check your battery's voltage to make sure it's reading 12 volts with the ignition off and 14 volts with Emissions revision gets them down to £245 on road tax. No real difference in performance, later 240 PS lump seems slightly more refind (although the 3.0 was excellent to start with). haven't done What to look for when buying a Audi A5 2007 - 2016, covering common problems to check for and overall vehicle reliability. Audi A5 2.0 TDI Black Edition Euro 5 (s/s) 2dr Audi A5 3.2 FSI V6 1) 2.0tdi engines in the early 2005 B7 A4 models ( and the A6 models )should just be avoided at all costs unless the balance shaft conversion has been completed. Even then the 2006 models have had injector issues and oil pump failures. Unplug the level sensor on the bottom and place the tank off to the side leaving the coolant hoses connected. Remove the center and driver side decorative engine covers. Locate the Audi A6 crankcase breather hose on the backside of the driver side valve cover. To slide the Audi A6 breather hoses off, compress the two pressure finger clips and Audi code P204B Hi all, new to the forum. I have this 2010 Audi Q7 3.0 tdi. It has been a great car until recently. Had to take it to the shop for timing chain tensioner/guides along g with the high pressure fuel pump service and I had to replace the coolant expansi Inset a long neck funnel into the return hose and pour in the coolant. You need to have the funnel high enough to get the coolant to run into the return hose to the height of the the heater core. Pull the funnel out and quickly reconnect the hose quick connect. This worked for me and took all of 5 minutes. This article applies to the Audi A6 C6 (2005-2011). Late model Audi A6 vehicles feature Direct Injection (DI) engines. In this type of engine, fuel is sprayed into the combustion chamber of the engine under high pressure. The result is an increase in carbon deposits, an issue that becomes increasingly problematic as the engine accumulates miles. easy job, its on the driver side of the transmission bellhoising right above the driver side axle on the transmission. 1 10mm bolt and it comes out, the connector is on the junction behind the coolant resivour. Although that sounds like a vehicle speed sensor to me.but STFA and this is what comes up. As a specialist head gasket sealer and radiator leak repair, K-Seal is carefully designed to prevent head gasket, coolant and radiator leaks in your Audi by sealing up: Holes up to 0.635mm / 0.025in in diameter. Cracks up to 0.254mm / 0.01in wide by 12.7mm / 0.5in in length. That means that for the most part, issues like this radiator leak with gF9CE.