A/C Receiver Drier Guide for the 1981-1986 Jeep Cherokee SJ
If your classic Cherokee's A/C isn't blowing cold, the receiver drier could be the culprit.
- For the 1981-1986 Cherokee, new aftermarket parts are the only realistic option; OEM parts are generally unavailable.
- Always replace the receiver drier whenever the A/C system is opened for any repair to protect your investment.
- Replacement requires special equipment to handle refrigerant and is a job for a certified mechanic.
- A failing drier can lead to very expensive damage to your A/C compressor if ignored.
Symptoms of a Failing A/C Receiver Drier
A bad receiver drier can cause several noticeable problems with your Cherokee's air conditioning. Because it acts as a filter, it can become clogged over time, and the moisture-absorbing material inside, called desiccant, can become saturated.
- Poor Cooling: The most common symptom is weak or inconsistent cooling from your vents. A clogged drier restricts the flow of refrigerant, preventing the system from cooling the air effectively.
- Musty Odor: If the desiccant can no longer absorb moisture, mold and mildew can grow in the A/C system, causing a foul smell when you turn on the fan.
- Rattling Noises: If the desiccant bag inside the drier breaks apart, you might hear a rattling sound from the engine bay when the A/C is on. This is serious, as those particles can travel through and damage the entire system.
- Visible Frost: Frost or ice forming on the drier or its connected lines can indicate a severe internal clog.
- Oily Film on Windows: While less common, a failing A/C system can sometimes lead to a foggy or oily film on the inside of your windows.
Professional Installation Required
Replacing an A/C receiver drier is not a typical DIY job. The A/C system is highly pressurized and contains refrigerant that is regulated and harmful to the environment. A certified mechanic must use special equipment to safely evacuate the old refrigerant before replacing the part and then properly vacuum and recharge the system afterward.
Choosing the Right Aftermarket Drier
For a vehicle as old as the 1981-1986 Jeep Cherokee, finding new original equipment manufacturer (OEM) parts is nearly impossible. The market for these components is served almost exclusively by aftermarket brands. Fortunately, reputable aftermarket companies produce reliable replacements.
Four Seasons is a well-known aftermarket brand that manufactures A/C components. Their receiver driers are produced in ISO-certified facilities and are designed to meet or exceed original specifications. They use quality welds for durability and fresh, effective desiccant to properly absorb moisture. Choosing a quality aftermarket part like this is the standard and most practical repair for these classic Jeeps.
Pro Tip: Always replace the receiver drier anytime the A/C system is opened for service, such as when replacing a compressor or a leaking hose. The desiccant inside can become saturated with moisture within hours of being exposed to the atmosphere, making it ineffective. Most compressor warranties require the drier to be replaced at the same time.
Expected Replacement Costs
The total cost of replacement includes the part itself and the labor to perform the service, which involves recovering and recharging the refrigerant.
| Item | Estimated Cost |
|---|---|
| New Aftermarket A/C Receiver Drier | $51.81 - $51.91 |
| Shop Labor & A/C Service | $150 - $300 |
| Total Estimated Cost | $202 - $352 |
Frequently Asked Questions
When should the A/C receiver drier be replaced?
It should be replaced every time the A/C system is opened for repairs. If the system has not been serviced, a good rule of thumb is to replace it every few years as a preventative measure, or as soon as you notice symptoms like poor cooling.
Can I replace the receiver drier myself?
It is not recommended for DIYers without the proper training and equipment. Safely recovering refrigerant requires a special machine, and failure to do so is illegal and harmful to the environment. The system must also be put under a deep vacuum to remove all air and moisture before being recharged.
Will this part work with an R134a conversion?
Yes, aftermarket receiver driers for this vehicle are generally compatible with both the original R12 refrigerant and modern R134a conversions. However, ensure you use the correct type and amount of refrigerant oil (PAG or Ester) for your specific setup.
What is desiccant?
Desiccant is a material that absorbs moisture, similar to the small packets you find in new shoes or electronics. Inside the receiver drier, a bag of desiccant removes any water from the refrigerant to prevent corrosion and ice crystals from forming in the system.
Technical Specifications
OEM Part Numbers: 56000687
The receiver drier for this vehicle is a canister-style filter that is installed on the high-pressure side of the A/C system. Aftermarket replacements are typically made of steel or aluminum and include the necessary desiccant for moisture absorption.
We Have This Part in Stock
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.
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