Check out the "TDI forums 101 faq" and also search for removing the vacuum hoses. The plastic nipples are brittle and delicate. You'll also be looking for diesel rated fuel lines for the return lines between the injectors and injection pump Hopefully you have VCDS from Rosstech or idparts.com to make diagnostics easier. Here are vacuum diagrams for a stock ALH, ALH with EGR delete, and ALH with EGR and ASV delete. Images are thumbnails. Click for full-size. Of course it goes without saying that although these are the "shortest" paths, these are not the only options. Please let me know if I missed something or messed something up.
ShadeTree ep. 3 - ALH TDI Vacuum SystemIn this video we're going to talk about and show you the vacuum routing of the ALH TDI and talk a bit out the componen.. VW TDI Discussion Areas. TDI 101 Vacuum Routing Refresher. Start date Sep 6, 2009; aNUT Vendor , w/Business number. Joined Nov 29, 2006 Location Boulder, Colorado TDI '01 TT (ALH-ish), B7 Audi gasser, '05 Golf Sep 6, 2009. but I wanted to ask a couple of questions regarding the vacuum routing diagrams for those that have done a race pipe.
![[DIAGRAM] Vw Tdi Vacuum Diagram](https://ww2.justanswer.com/uploads/MASTEROFMASTERS/2010-09-12_014505_vac2.png "[DIAGRAM] Vw Tdi Vacuum Diagram")
![[DIAGRAM] 2005 Passat Tdi Vacuum Diagram](https://nemigaparts.com/img/catalogs/etka/st/404121410.png "[DIAGRAM] 2005 Passat Tdi Vacuum Diagram")
![[DIAGRAM] Vw Tdi Alh Vacuum Diagram](http://audibg.com/forum/uploads/monthly_2016_09/vacuum_diagram1.gif.49526d93fc30e1c19b66cca4e2598ec7.gif "[DIAGRAM] Vw Tdi Alh Vacuum Diagram")
![[DIAGRAM] Jetta Tdi Vacuum Diagram](https://image.ibb.co/e94Z0w/9492_D884_EABA_44_FB_A9_F8_277_A9530_A9_B5.jpg "[DIAGRAM] Jetta Tdi Vacuum Diagram")
![[DIAGRAM] Vw Tdi Alh Vacuum Diagram](http://workshop-manuals.com/audi/a3_mk1/images/a3-4695.png "[DIAGRAM] Vw Tdi Alh Vacuum Diagram")
