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Old 02-11-2010, 09:16 AM
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Join Date: Nov 2009
Location: Johnson City, TN
Age: 44
Posts: 12,120
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Vehicle: 2004 Dakota Club Cab 4X4
Trim Level: SXT
Color: Bright Silver
Engine: 2002-2008 226ci (3.7L) Magnum/PowerTech V6 215hp 235lb/ft
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Default Black Patch Hanging On Carpet

TSB 24-004-09:

SYMPTOM/CONDITION:
Customer may complain that A/C system has a hiss or whistle sound while the A/C is
operating. Customers may also notice a black patch hanging from under the dash
(mounted on the bottom of the evaporator) or even laying on the carpet. The hiss or
whistle sound is caused by the A/C expansion valve and the poor adhesion of the patch to
the evaporator.

The repair involves removing the patch, cleaning any residue left and replacing the expansion valve in the A/C.
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