Download 1.8T Audi TT, VW Golf/Jetta/New Beetle. Step 1: Here’s an overview picture of the transverse 1.8T engine found in the Audi TT, VW Golf/Jetta/New Beetle 1.8T. The 225hp TT engine looks a little different, but the install of the A.W.E. Tuning valve is the same procedure. For picture clarity, and ease of install, the decorative engine cover has been removed. Removing the cover is easily done by twisting the “+” shaped fasteners on the cover 90 degrees. They’ll pop up when free, allowing you to grab the cover and lift it up and out of the engine bay. (New Beetle requires removing 2 10mm nuts hidden under trim caps, and then sliding forward and out) We’ve also removed the PCV damper in the following pictures for clarity. You won’t need to remove this item to install the valve. Installation instructions for A.W.E. Tuning DV1 Diverter Valve For 1.8T Audi TT, VW Golf/Jetta/New Beetle Thank you for purchasing the A.W.E. Tuning DV1 Diverter Valve. With the DV1 Diverter Valve, we believe you have purchased the finest diverter valve for the money. Follow these instructions, and you’ll have your new A.W.E. Tuning DV1 Diverter Valve installed quickly and easily.