3sgte leaking coolant - Toyota Nation Forum : Toyota Car and Truck Forums

mrtuan · 12-01-2009, 09:26 PM

Recently i've noticed hissing noise coming from the engine when it turns off so i checked underneath to find coolant leaking. Upon closer inspection i noticed it came from a metal water piping to the left of the block (next to the wastegate) and i could see bubbling coming from the pipe. I've done a bit of research and think its a heater pipe. Any suggestions or has anyone been through this before?

***MR2Jedi*** · 12-02-2009, 12:59 AM

There are 2 other coolant lines coming off that water inlet. 1 goes to the Turbo and the other to the throttlebody. I would make sure which hose it is.
If it is the heater hose, you can bet the others aren't far behind if you've never changed them. The heater hose is an easy fix. the other 2 are a PITA, but not too bad.
Heres a pic to help you identify the different lines.

mrtuan · 12-06-2009, 07:10 PM

hi mr2jedi, i cant seem to see the pipe in the photos you provided so i was gona take it apart to identify it but thought it'd be easier to take a pic of it. here it is.
http://s854.photobucket.com/albums/a...rent=bust2.jpg

http://s854.photobucket.com/albums/a...rrent=bust.jpg

What pipe is this one?

***MR2Jedi*** · 12-06-2009, 08:09 PM

Thats a by pass line for the turbo. There are 2, one in and one out.

mrtuan · 12-06-2009, 10:48 PM

how do i go abouts changing that?

***MR2Jedi*** · 12-06-2009, 11:36 PM

It's just a short piece of hose. It's hard to get to, but not impossible. It's easier if you remove whatever is in the way.