Grand Cherokee Video Page - Heat and AC Blend Door Replacement Parts
This page contains
the diagnosis/installation videos for the Jeep Grand Cherokee(98-04).
The videos are not meant to be installation instructions,
only an overview of the process. We include complete written
instructions in each kit. We find that customers can do the
installation from just the instruction, or just the video, or both...
The blend door installation is fairly easy. Replacing the
re-circ door is more involved and requires pulling the dash panel back
to get access to the re-circ door. It's much much easier than
the factory recommended process, but still more work than the blend
door and will take most of a Saturday afternoon to do. Both
fixes are rock solid and will outlast your GC.
Blend Door Installation
We have three different blend door kits for
the GC. The video shows the process for the installation
through the glove box for the standard HeaterTreater and the Dual
Control Heatertreater. The PRO HeaterTreater is basically a
duplicate of the OEM hardware and uses the same process as used by the
HeaterTreater - Replaces both blend
doors and connects the doors together. Both doors operate
under control from the driver's side knob, and both sides of the GC
will be at the same temperature. The passenger side still
displays a temperature and it can be "adjusted" with the control knob,
it just doesn't do anything. Most of the time, the passenger
won't know that his knob doesn't really control anything and the driver
can just watch the display and treat the passenger side temperature as
a request to adjust the driver's side display a little. This
is the cheapest and easiest repair. 2. Dual Control
HeaterTreater - Replaces both blend doors and retains
dual control functionality. The fix is done through the glove
box and doesn't require removal of the dash or plenum box. A
second motor is added on the front side of the box to control the
back(passenger) door. The repair also requires modifications
to the glove box storage area to make room for the second motor.
The kit is more expensive and requires more work to install,
but will retain dual control functionality if that is an important
consideration in the repair. 3.
HeaterTreater PRO - This kit is basically a
metal reproduction of the OEM hardware. Installation requires
removal of the dash and plenum box. This kit retains dual
control and will replace the plastic OEM parts with metal parts that
won't break again over time. The kit is a lot of work to
install and customers usually choose this option if they have to remove
the plenum box to replace the heater core or AC evaporator core.
recent Jeep GC Video. Parts 1&2 show the
installation of the standard HeaterTreater. Part 3 shows how
the dual control HeaterTreater is installed.