[2000 Beetle TDI]

Can some explain how the cooling system flows? More specifically, information on the cooling flow to and from the cabin heater core. Reason for the information is I'm tying in a heater hose for a vegetable oil conversion system. Any drawings or illustrations would also be ideal. Thank for any help!

 

[Fluid]

this is from a jetta, i don't know what the beetle is like but it should be almost identical

 

[2000 Beetle TDI]

Fluid, the illustration is awesome... I'll study the components on it but it looks like the same on the Beetle. Thank you Sir...

 

[Bluemojo]

FRIC, you'll lose some coolant so make sure to use VW coolant and not the green stuff since it's not compatible with the VW coolant

 

[2000 Beetle TDI]

yeah I'm going with the original pink stuff the dealer sells for 20 bucks.
Thanks