2004-2008 Pacifica & Minivan AC Evaporator: Leaks, Diagnosis, and Dashboard-Out Replacement
This guide covers the common failure symptoms of the front AC evaporator in the 2008 Chrysler Pacifica, its complex replacement, and key interchange information with Chrysler and Dodge minivans.
- Replacement is an expert-level job requiring complete removal of the dashboard, with labor costs often exceeding $1,200.
- Always replace the AC expansion valve at the same time as the evaporator to prevent a costly repeat repair.
- This front evaporator is interchangeable with 2001-2007 Chrysler and Dodge minivans (Town & Country, Grand Caravan).
- The most common failure is a refrigerant leak, identified by weak cooling, a sweet/musty smell, or UV dye visible at the AC drain tube.
Symptoms of a Failing 2008 Pacifica AC Evaporator
When the AC evaporator in a 2008 Chrysler Pacifica begins to fail, the signs are often directly related to a loss of refrigerant. Because the part is buried in the dashboard, diagnosis can be tricky, but the symptoms are usually noticeable.
- Warm or Weak Air from Vents: This is the most common symptom. Even with the AC on max, the air is not as cold as it should be. As a leak worsens, the air will become progressively warmer.
- Sweet or Musty Odor: A leaking evaporator can release refrigerant that has a distinct, faintly sweet chemical smell. Over time, moisture that collects on the evaporator can also lead to mold or mildew growth, causing a musty smell when the AC or fan is running.
- AC Compressor Won't Turn On: The AC system is pressurized. If enough refrigerant leaks out, the system pressure will drop below a minimum threshold, and a safety switch will prevent the AC compressor from engaging to protect it from damage.
- Hissing Sound from the Dashboard: A faint hissing noise from the passenger side of the dashboard area can sometimes be heard. This is the sound of refrigerant gas escaping from a small crack or pinhole in the evaporator core.
- Foggy Windows and Cabin Moisture: A failing evaporator can cause excess condensation, leading to moisture on the inside of the windshield or even dampness on the passenger-side floor mat.
Pro Tip: A technician will typically diagnose a leak by injecting a UV dye into the AC system. After running the system, they will use a blacklight to look for traces of the dye. Since the evaporator is hidden, they may check the AC condensation drain tube under the car for any signs of the dye, which would confirm an evaporator leak.
Known Issues, Recalls, and Technical Service Bulletins (TSBs)
As of mid-2026, there are no active recalls from the National Highway Traffic Safety Administration (NHTSA) specifically for the AC evaporator on the 2008 Chrysler Pacifica. While there are numerous TSBs for this vehicle, none point to a specific, widespread manufacturing defect with the evaporator itself. Failures are typically age-related, caused by corrosion that leads to pinhole leaks over many years of service.
Buying a Used AC Evaporator: What to Check
Given the extremely high labor cost for this repair, choosing a quality replacement part is critical. You do not want to do this job twice. While new aftermarket parts are available, a high-quality, low-mileage used OEM evaporator is often a reliable and cost-effective choice.
- Physical Inspection: Carefully inspect the entire evaporator. Look for any oily residue, which is a tell-tale sign of a past refrigerant leak. Check for bent or damaged cooling fins and significant corrosion, especially around the inlet and outlet pipe connections.
- Verify Compatibility: This evaporator was used across several vehicles. Ensure the part you are buying is from a 2004-2008 Chrysler Pacifica or a 2001-2007 Chrysler Town & Country, Dodge Grand Caravan, or Dodge Caravan. Cross-reference the OEM part number to be certain.
- Why Used OEM Can Be Better: For a part that requires the entire dashboard to be removed, fitment is everything. A genuine Mopar part is guaranteed to have the correct dimensions, mounting points, and pipe connections. A cheap aftermarket part might have slight variations that can turn an already difficult installation into an impossible one.
- Red Flags: Avoid any evaporator that shows clear signs of leakage, has heavy white or green corrosion, or has been physically damaged during removal from the donor vehicle.
Replacement Difficulty and Labor
Installation Difficulty: 5/5 (Expert Level)
Replacing the AC evaporator in a 2008 Chrysler Pacifica is one of the most labor-intensive repairs possible. It is not recommended for DIY mechanics without extensive experience.
- Dashboard Removal: The entire dashboard assembly must be removed from the vehicle to access the HVAC (Heating, Ventilation, and Air Conditioning) housing where the evaporator is located.
- AC System Evacuation and Recharge: The refrigerant must be professionally evacuated from the system before starting the repair and then professionally recharged and tested after the new part is installed. This requires specialized equipment.
- Estimated Time: A professional technician typically requires 8-12 hours to complete this job.
Warning: It is critical to replace the AC expansion valve (also called an H-valve) at the same time as the evaporator. This small part is inexpensive but is a common failure point and is mounted directly to the evaporator. Replacing it during the evaporator job prevents having to tear the dashboard out again if it fails later.
Cost Breakdown
The high cost of this repair is driven almost entirely by the extensive labor involved. The part itself is relatively inexpensive compared to the time it takes to install it.
| Part/Service | Estimated Cost |
|---|---|
| New OEM (Mopar) | $450 - $560 |
| New Aftermarket | $80 - $150 |
| Used OEM | $50 - $120 |
| Shop Labor | $1,100 - $1,700 |
| Total Professional Repair | $1,280 - $1,900+ |
Frequently Asked Questions (FAQ)
Do I have to replace the expansion valve with the evaporator?
Yes, absolutely. The expansion valve is a small, inexpensive part that regulates refrigerant flow into the evaporator. It is a common failure point and is attached directly to the evaporator inside the dashboard. Not replacing it is a huge risk that could lead to doing the entire 10+ hour job all over again. Most new evaporators come with a new expansion valve.
Can I replace the 2008 Pacifica AC evaporator myself?
This is not recommended for anyone but the most experienced DIY mechanics. The job requires removing the steering column, center console, and the entire dashboard assembly. It also requires specialized equipment to safely evacuate and recharge the AC system. For most people, this is a job for a professional shop.
Is this the same evaporator used for the rear AC system?
No. This guide and these part numbers are for the front AC evaporator located in the dashboard. Pacificas equipped with optional rear air conditioning have a separate, smaller evaporator unit located in the rear of the vehicle.
Will this evaporator fit a Dodge Grand Caravan?
Yes, this same evaporator part fits the 2004-2008 Chrysler Pacifica, 2001-2007 Chrysler Town & Country, 2001-2007 Dodge Grand Caravan and Caravan, and 2001-2003 Chrysler Voyager, making it a widely interchangeable part. Always verify by part number if possible.
Technical Specifications
OEM Part Numbers: 5019217AG 5019217AD 68024435AA 68024436AA 5019217AC 5019217AE 5019217AF
Material: Aluminum. Fits front HVAC unit. Compatible with 2004-2008 Chrysler Pacifica, 2001-2007 Chrysler Town & Country, 2001-2007 Dodge Grand Caravan/Caravan, 2001-2003 Chrysler Voyager.
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Chrysler Pacifica: