injector bleed hose.
 

does anybody know what size the little rubber hose that goes between the injectors are?

5mm or 7/64 sound right?

My neighbor is doing his thermostat/rad/ac and just borrowed the digital caliper and I cant find the other one I have. Too late to wake him up now (1am) but I can measure inj return lines tomorrow afternoon.
Inside diameter might be 3.5mm, not totally sure.
For obvious reasons, you might consider diesel rated translucent lines

http://www.ebay.com/itm/VW-3-5mm-Die...-/360497816020
http://www.ebay.com/itm/3-5mm-Diesel...0c01c5&vxp=mtr

Yea found that on ebay also. Goin for it. Thanks.