Description
Rear AC Block Off Kit for 2004-2011 Dodge Caravan & Chrysler Town & Country
The iFJF Rear AC Block Off Kit provides a professional-grade solution for bypassing the rear air conditioning system on 2004-2011 Dodge Caravan and Chrysler Town & Country vans. When your rear AC system develops a leak, compressor failure, or expensive line damage, replacing the entire rear system can cost thousands. This block-off kit allows you to isolate the rear AC circuit, keeping the front AC fully functional while eliminating costly rear AC repairs. Complete with solid metric nuts and O-rings, this kit includes everything a technician needs for a clean, permanent installation.
Vehicle Compatibility
| Make |
Model |
Year Range |
| Dodge |
Grand Caravan |
2004-2011 |
| Chrysler |
Town & Country |
2004-2011 |
| Dodge |
Caravan (with rear AC) |
2004-2007 |
Key Features
-
Complete Kit: Includes everything needed — block-off fittings, solid metric nuts (M20 x 1.5 & M22 x 1.5), and O-rings
-
Front AC Preserved: Keeps your front air conditioning fully operational while bypassing the rear system
-
Cost-Effective Solution: Save $800-$2,000+ compared to replacing the entire rear AC system
-
Professional Grade: Solid metric hardware with proper O-ring seals for leak-free performance
-
Direct Fit: Designed specifically for the rear AC line connections on these vans
-
DIY Friendly: Installable by a proficient technician or experienced DIYer with basic AC tools
Technical Specifications
| Specification |
Detail |
| SKU |
FJ-ACBO-04 |
| Thread Sizes |
M20 x 1.5 (low side), M22 x 1.5 (high side) |
| Material |
Solid brass fittings with nitrile O-rings |
| Included Components |
2x block-off fittings, 2x nuts, 4x O-rings |
Installation Overview
- Recover refrigerant from the AC system using proper recovery equipment
- Locate the rear AC line connections (typically under the vehicle near the rear evaporator)
- Disconnect the rear AC lines from the main system
- Install the block-off fittings with the supplied O-rings and solid metric nuts
- Torque nuts to specification (M20: 18-22 ft-lbs, M22: 22-26 ft-lbs)
- Vacuum test the system to verify seal integrity
- Recharge the front AC system with the correct refrigerant quantity (reduced for front-only operation)
Frequently Asked Questions
Q: Will my front AC still blow cold after installing this kit?
A: Yes. The kit only isolates the rear AC circuit. Your front AC will continue to operate normally — in fact, it may perform better since the compressor is no longer working to maintain pressure in a leaking rear system.
Q: Do I need special tools to install this kit?
A: Basic metric wrenches (20mm & 22mm) and a torque wrench are sufficient. However, refrigerant recovery and recharge must be performed with professional AC service equipment due to EPA regulations.
Q: Can the rear AC be restored later if I want?
A: Yes. The block-off kit is reversible. If you later decide to repair the rear AC system, the fittings can be removed and the original lines reconnected.
Q: Does this kit work on all 2004-2011 Caravans?
A: This kit is designed for models equipped with rear air conditioning. Base model Caravans without rear AC do not need this kit. Verify your vehicle has rear AC vents in the ceiling before ordering.
Q: What are the signs that my rear AC needs to be blocked off?
A: Common signs include: refrigerant leaks from rear lines, hissing sounds from the rear evaporator, oil residue on rear AC lines, or repeated AC system low-pressure warnings after recharge.
