hi I'm Mike the 1a auto we've been
selling auto parts for over 30 years
[Music]
[Applause]
[Music]
to drain the coolant I'm gonna go down
here to the lower radiator hose at the
radiator outlet undo the spring clamp
with a pair of pliers pull this hose off
I already have a drain pan underneath
the truck to catch any cool it or all
the coolant that will leak out release
the clamps with a pair of pliers work
the hose off the radio go back and forth
after you drain this cool it if you're
not going to reuse it just make sure you
dispose of it properly with the majority
of the coolant drained out I'll put the
lower hose back on to the radiator I'm
just gonna slide it back into place
not gonna clamp it yet coolant temp
sensor on this 4.3 liter it's down here
inside of the block there's it connected
to it it threads into the block gonna
take some brake parts cleaner just sort
of clean it off so you can have a better
idea what I'm doing
see it there's a left little connector
on the top open it up there this what I
did I had to find this little tab on the
connector and pull it up to unlock it
and they can actor came right out so
we'll leave it up here so we know what
the connector is
engine coolant temp sensor is down here
on the side of the block
there is a engine harness that only runs
along here and a bracket we just push it
all the way blew the engine harness up
just to give you a better idea of what
we're doing you don't have to move those
things out of the way to replace it but
this makes it easier to seen on video
take a 19 millimeter deep socket we go
over the sensor
unthread it from the block
before you do this you wanna make sure
the coolant is drained because coal will
come out of there you could swap it but
it gets pretty messy and you'd have to
be pretty fast it's still pretty tight
I'll just leave it some more
that is the coolant temp sensor for the
engine is our old coolant temp sensor is
our brand new one from Oneonta com see
they're identical in design same style
connector same lock two pin comes a new
thread sealant this will go right in and
work great for you take the new sensor
stall in the same place
[Music]
it started it'll get harder to turn
because of a thread sealant
there's the 19 millimeter deep socket
again to install it I can see the red
thread sealant is almost all the way in
it's getting pretty tight if you'll get
tight I'm gonna stop reinstall the
harness
coolant temp sensors replace I've just
got some slip joint pliers in here and
reinstalling the clamp on the lower
radiator hose squeeze it together to
refill the system with the correct
coolant open up the reservoir and we'll
fill it just going to refill it slowly
about any trapped air bubbles escape
with the coolant filled to the full cold
and a reinstall the cap start the truck
up it may suck some of the coolant back
into the system and then I will shut the
truck off and recheck the level top it
back off then start it and let it run to
bleed the system and come up to
temperature this needs to be topped off
a tiny bit so let the engine come up to
temperature and make sure the fluid
level is correct afterwards top off as
needed thanks for watching visit us at
one arrow com for quality auto parts
fast and free shipping and the best
customer service in the industry