Well,

I have good news and bad news.  The bad news is that I found another coolant
leak.  The good news is that at least the puddle on the carport floor every
morning isn't coming all from the head gaskets!  There is a large plastic
plumbing fixture on the left front of the engine compartment, with large and
small water hoses going in and out of it -- going from the water pump, the
oil cooler, that silly plastic ring tube (what is that for, anyway?) and so
on -- I have never seen so much plumbing!  I assume that this thing houses
the water thermostat.  It has a bleed screw on top, and two sensors coming
out of the side.  My questions are:

1:  Why are there two sensors?  I can see one as a coolant temperature
sensor.  What is the other one for?  The only thing that I can think of is
that one is for the guage, and one is for the computer.  This seems wasteful
and redundant - but it wouldn't surprise me.

2:  My leak is coming out of one of the sensor sockets, even though the
U-shaped clip is securely fastened.  Is there some sort of gasket or washer
that I can buy for this sensor socket?  I wouldn't have to buy the whole
sensor, would I?

3:  Could the housing be cracked, potentially?  I'd hate to have to replace
that thing!

Thanks,

Michael Townsend
townsend@rtp.ericsson.se