Re: Anyone change a heater core in a 05' Ram?


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Posted by Paul ( in NY) [12.64.140.163] on Wednesday, October 07, 2009 at 15:13:55 :

In Reply to: Anyone change a heater core in a 05' Ram? posted by Howard in Newcastle [69.226.77.158] on Wednesday, October 07, 2009 at 12:17:29 :

Here is the procedure on a 2003. I realize yours is a 05, they should be very similar both being 3rd gens. It does not look like a fun job.

Hope this helps some

Paul

In this link to Turbo Diesel Register, a guy has documented the removal of the HVAC in Text and really good pictures;
http://www.turbodieselregister.com/forums/3rd-generation-ram-forum-no-engine-transmission-discussions/166129-hvac-removal-pictures.html

The following is the disassembly instructions from the 2003 Dodge Shop Manual.

DISASSEMBLY
(1) Remove the HVAC housing from the vehicle
and place it on the workbench. (Refer to 24 - HEAT-
ING & AIR CONDITIONING/DISTRIBUTION/HVAC
HOUSING - REMOVAL)
(2) Unplug the electrical connectors from each
actuator.
(3) Remove the HVAC assembly wiring harness
from the HVAC case.
(4) Remove the blower motor and blower wheel
unit from the HVAC housing. (Refer to 24 - HEAT-
ING & AIR CONDITIONING/DISTRIBUTION/
BLOWER MOTOR - REMOVAL)
(5) Remove the heater core mounting screws and
carefully remove the heater core assembly(Refer to
24 - HEATING & AIR CONDITIONING/PLUMBING/
HEATER CORE - REMOVAL).
(6) Carefully remove the foam seals from the
heater core and evaporator coil tube mounting flange
of the HVAC housing. If the either seal is deformed
or damaged it must be replaced.
(7) Use a screwdriver to pry off the four snap clips
that help secure the upper and lower HVAC housing
halves together.
(8) Remove the screws that secure the upper and
lower HVAC housing halves together.
(9) Carefully separate the upper HVAC housing
from the lower half.




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