Looking for the function of specific hoses

[FrankW Lurker Find all posts View Profile Close FrankW]

Hi all,

I bought a Prado 1998 and I noticed that the 2 pipes/hoses marked in yellow that run underneath the car are disconnected. I can't find any info about these pipes, they are connected to the red marked pipes. What is the function of these pipes? Thanks for your help!

Frank

[RedAdventureWagon Member Find all posts View Profile Close RedAdventureWagon]

The red pipes look like heater hoses, so a coolant feed/return for something? The 5VZ has a heated throttle body so maybe it's the diesel equivalent of that - a fuel heater or something? I know very little about diesels though! Likely not tranny as this is in the radiator.

[FrankW Lurker Find all posts View Profile Close FrankW]

Thanks, I was able to follow them and I'm pretty sure they're the pipes for hot air for the heating unit of the 2nd row of seats. The heating unit is not installed in my Prado so it makes sense that these pipes are disconnected.