2nd Gen Non-Engine/Transmission heater core

[cmills]

Could the heater core leak so little that it would not leak into the cab and get the floor wet, but enough to make the windows fog up? Every morning when I leave and turn on the defrost the windows start to fog up and it takes about 20 min for it to start to go away. I just had the heater core replaced a year ago, but what else could it be?



thanks,

Cory

 

[Suprmn]

The quick answer is yes. But, if you are running with A/C the night before when you shut the truck down, or if you are in a rainy area and are using defrost the night before, you can get an accumulation of moisture on the evaporator that will take a bit in the morning to clear up. If you turn back to defrost it should clear up in about a minute or so. If its not doing that, is your A/C working properly (assuming you have a/c), or you might have a leak in the system, or elsewhere in the truck. Is your carpet wet anywhere?

 

[DCreed]

mine has been leaking for 18 mos! A/C isnt working and I can just barely smell coolant but no wet spots anywhere!

 

[cmills]

The quick answer is yes. But, if you are running with A/C the night before when you shut the truck down, or if you are in a rainy area and are using defrost the night before, you can get an accumulation of moisture on the evaporator that will take a bit in the morning to clear up. If you turn back to defrost it should clear up in about a minute or so. If its not doing that, is your A/C working properly (assuming you have a/c), or you might have a leak in the system, or elsewhere in the truck. Is your carpet wet anywhere?

the carpet is not getting wet like it did last time, it seems like when I first turn on the defrost it has a little bit of the anti-freeze smell, but wouldn't the carpet be getting wet? I had the A/C on the other day when it was up around 80 degrees and it seemed to be okay.

 

[FLynes]

This is why when I'm done running the A/C, I turn the control to "Vent" and let it run, until I start getting warm air running through. It helps the evaporator get rid of that moisture build-up. It also helps eliminate that musty smell which, IIRC, there was a TSB for... . Mopar tech would spray a solution of bleach and water into the vent intake and it would get rid of the smell.



Try turning it to vent and see if that works.

 

[AllianceDiesel]

there was a TSB for... . Mopar tech would spray a solution of bleach and water into the vent intake and it would get rid of the smell.

How did my name come up in this?



TSB:24-006-06

SUBJECT:

A/C Cooling Coil Odor

OVERVIEW:

This bulletin involves inspecting for leaves and other foreign material, cleaning, and

treating the cooling coil and housing.

MODELS:

1995 - 2003 (AB) Ram Van/Wagon

1995 - 2004 (AN) Dakota

2004 - **2007** (CS) Pacifica

1998 - 2003 (DN) Durango

2002 - **2007** (DR/DH/D1) Ram Pickup

2004 - **2007** (HB) Durango

2001 - 2006 (JR) Sebring Convertible/Sebring Sedan/Stratus Sedan

2002 - **2007** (KJ) Liberty

1993 - 2004 (LH) 300M/Concorde/LHS/New Yorker/Intrepid/Vision

2005 - **2007** (LX) 300/**Charger**/Magnum

2005 - **2007** (ND) Dakota

2002 (PG) PT Cruiser (International Markets)

1995 - 2005 (PL) Neon/SX 2. 0

2001 - **2007** (PT) Chrysler PT Cruiser

2001 - **2007** (RG) Chrysler Voyager (International Markets)

2001 - **2007** (RS) Town & Country/Caravan/Voyager

2001 - 2005 (ST) Sebring Coupe/Stratus Coupe

1997 - 2006 (TJ) Wrangler

NUMBER: 24-006-06

GROUP: Heating & A/C

DATE: August 9, 2006

2002 - 2006 (VA) Sprinter

1999 - 2004 (WJ/WG) Grand Cherokee

2005 - **2007** (WK/WH) Grand Cherokee

2006 - **2007** (XK**/XH)** Commander

SYMPTOM/CONDITION:

Some vehicle operators may experience a musty odor from the A/C system, primarily at

start up in hot and humid climates. This odor may be the result of microbial growth on the

cooling coil. During normal A/C system operation, condensation forms in and around the

A/C cooling coil. When airborne pollutants mix with this condensation, bacteria and fungi

growth begins and odor results.

DIAGNOSIS:

If the operator describes, or the technician experiences a musty odor when operating the

A/C system, perform the appropriate Repair Procedure based on the vehicle model.

 

[FLynes]

How did my name come up in this?



TSB:24-006-06

SUBJECT:

A/C Cooling Coil Odor...

:-laf Sorry, I should have said "A Mopar tech", but thanks for finding the TSB.