hey welcome to Monster transmen you're in Curt's corner today we're going to go
over how to install a torque converter on the Dodge 48 re this happens to be
actual diesel application so it's a little different than the regular ones
to where the converter is much larger so it does not fit inside the bell housing
all the way so we're gonna go through the install procedure on the converter
I'm putting it on this 48 re so here we have the diesel converter it's a very
large converter and it'll take at least two maybe three quarts of fluid to when
the pour some fluid in here and to the converter prior to
installation onto the transmission so we let that fluid settle down in the
converter and then we're going to lift it and slide it right here on the input
shaft this area to shaft actually applies the lock-up clutch then you have
the input shaft splines which goes into the back part of the converter and then
we actually have the stator pump stator double keep the converter aligned and
then further in you actually have the pump gears to pump drive gears and has
two teeth two tabs and they actually line up into these slots on the
converter the pump gears themselves slide in between this area on the
converter okay so if you don't saw the converter correctly and the gears are on
top of this obviously we tighten the bell housing up you'll break those two
tabs off and obviously you will not have any pump pressure because the pump is
not rotating creating the hydraulic pressure of the transmission so you an
ensure that you've greased this area first you've added some fluid and you're
gonna install it right here on these splines and slide it straight in and be
careful not to disrupt the seal on the front of the transmission because there
is a spring on that seal if you bang that seal too hard you can knock the
spring off and then the seal will not squeeze around this hub of the converter
and seal so the leak immediately you have to install the transmission so
we're now gonna let this converter slide here on the front of
put shaft and on the pump stator of the transmission
now it's an initial part of the input shaft I'm going to rotate it clockwise
as you apply pressure pushing it into the transmission and that will let it
slide down on the input shaft like so and then you're gonna keep
rotating it clockwise and pushing in for it to go all the way into the pump gears
so there was basically two very distinctive clunks as you feel it going
in one that's the spline of the input shaft going into the converter and then
it's straddling the pump gears going into the center and now the verified
this is all the way in on the converter if you measure from the level portion of
the bell housing to the top of the mounting pad it should be about three
quarters of an inch it's exactly there once this is installed and you're gonna
lift this up to mount it to the engine on the diesel engine and you put the
bell housing bolts through you want to start the bolts evenly pulling it up to
the engine block but as you pull up make sure that this converter still spins
free and it'll pull it up to the flywheel so if you notice the flywheel
is concave its curved and it's going towards the torque inverter so this is
how the flywheel will look installed on the unit so this will actually curve in
to the starter area to line up with the flywheel a ring gear on the flywheel to
turn the engine over to start the vehicle this actually you see this ring
gears even almost even with the edge of the bell housing
so you want to make sure that once the transmission is tight to the engine
block that you can still rotate the converter okay
there's an access panel on the Diesel's on the bottom here and you can rotate
from the bottom this flywheel and you can rotate it to the opening of one of
the stub holes and then when you do that I would line them up start them all by
hand and pull them down quite a bit but do not tighten them until you have
all six bolts in and then you would tighten the bolts all the way down so
that's how you install a converter on the 48 re and I'll show you what can
happen if it is not properly installed how it fits into the pump and what
damage you can cause if it's not properly installed this is the diesel
pump assembly so we'll pull the pump stator out this is the part that fits
right in the center part of the converter and locks it in
okay now this is the area where the pump gears are there's two pump gears and
this the center gear is the one that has the two tabs I was talking about those
two tabs line up with the converter here still fit in in this pattern so when you
rotate the governor back and forth you may hear this that means you see that
the play or the slop between the gear and the outs of converter hub okay
that's what that is if you install it improperly and the gears are on top of
here obviously the converter can't be in all the way and as you tighten the belt
housing you'll crush and break these two tabs off this gear and that obviously
will jam those gears into the housing itself so jam that right into the stator
housing and then we'll destroy this area of the pump that's what can happen if
you don't install the converter correctly so be careful to install the
converter make sure after it's installed you rotate the left and right you can
hear it that clanging and that again as that the two teeth riding in the front
hub of the input hub of the converter you have any further questions on any of
our transmitters here monster or how to install or disassembles on any
transmission feel free to give us a call one eight hundred seven oh eight zeros
are eight seven talk to you then