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Old 09-30-2010, 09:56 PM
JoeDodge JoeDodge is offline
Dodge Ram Forum Newcomer
 
Join Date: Sep 2010
Location: central Texas
Age: 63
Posts: 16
Gender: Male
Vehicle: 1998 quad cab 5.2 soon 2B 5.9
Trim Level: slt
Color: blue
Engine: 1998-2001 360ci (5.9L) Magnum V8 245hp(standard), 250hp(Sport package)
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Sounds like the coupling between the blend door motor and the blend door is cracked. The motor and coupling can be replaced WITHOUT removing the dash or A/C housing. The motor is located on the bottom of the A/C case above the passengers left foot. It is black, about 2" x 2" & 1" thick. Pull back the carpet below the motor. Using a long knife, remove a section of the under carpet insulation below the motor. There are 2 screws attaching the motor to the A/C housing. Using a 90 degree phillips screwdriver, remove the front screw. Then using a very stubbly phillips remove the last screw. Pull the motor straight down. The brown coupling may stay in the A/C case or may come out with the motor. If it is in the case, use a pair of needle nose pliers to remove. This coupling is available at your Dodge dealer. I can get you the part # if needed. To install, fit the new coupling into the case onto the blend air door shaft. You should be able to be able to twist the coupling and feel the door moving. Install the motor and install the rear screw first. Crank the engine and allow to warm up. Move the temp knob to see if the temperature goes from hot to cold and back. You may have to remove the motor and and reindem the motor on the coupling to get the temp span correct. Reinstall the other screw. JoeDodge

Last edited by JoeDodge; 09-30-2010 at 09:57 PM. Reason: spelling
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