'85 300td coolant system routing
 

HI everyone,

i'm currently installing a frybrid WVO kit on my 300td. (w/ A/C) The instructions say to 'T' into the coolant system at the heater core supply and return lines. I'm pretty sure we have found both of these lines ( the two collant lines going through fire near the top). I'm a little unsure which is return and which is supply. Can somebody please help me out, unfortunately the repair manual I bough t does not include a cooling system diagram. Are there any oinline diagrams that anyone knows about. Thanks a lot, hopefully the rest of the install goes well. Also does anyone have experinece/ideas about a good way to route my fuel/coolant lines under the car back to the new WVO tank in the rear (behind rear axel). Thanks a lot

Brett

I think the supply line is the one coming from the auxiliary water pump, low down on the right (passenger) inner fender.

just though I would bump this up to the top, any insights. Thanks

Here's a diagram of the cooling system:

http://mb.braingears.com/123_DISK2/program/Engine/617/20-005.pdf