YKallroad

Slow coolant leak, passenger side toward the read of the engine. Won't know more until I get it in a garage where it's warm. From what I've read, the aux coolant pump is a prime suspect.

Also...washer fluid leak. WTH? This one will get ignored until spring, likely.

GTA_Driver

There are a couple of hoses in the back of the engine that could have developed a leak, or even the coolant temp sensor, not necessarily the aux coolant pump.

Also, where is it leaking the washer fluid? Does it leak when you use the system, or at all times? Does it leak only when washing the headlights (with the lights turned on)?

YKallroad

All good questions. I will watch the washer fluid and try to pinpoint the leak (I hadn't thought of the headlight washers.)

G0to60

The coolant leak from the back PS could be the coolant temp sensor, the cross over tube, or (not as likely) the aux coolant pump. If it is the aux pump shine a flash light down into the intake valley and check if there is some dried coolant around there.

I have a slow washer fluid leak from the PS headlight washer area. I'm going to wait until I do my next timing belt when everything is apart to fix this. Mine will drain the tank from full in about a month if I never use it.

Here's some picture of my adventure in finding my coolant leaks.

PS coolant temp sensor


Aux coolant pump (front of car on the left)

YKallroad

Thanks for the photos. Looks like it was easy to diagnose. Where did you get the replacement parts from in the end?

G0to60

I got the parts from a local import parts store that I go to regularly. Parts list was:

aux. pump
coolant sensor w/ o-ring
intake manifold gaskets
coolant