2016-2022 Honda HR-V A/C Compressor: Failure Symptoms and Replacement Guide

Known Issues & Common Failures

While the 2016-2022 Honda HR-V is generally a reliable vehicle, its air conditioning system can have problems. The most common issue isn't always the compressor itself, but other components that cause the A/C to stop working. Many owners report A/C failure at relatively low mileage. Often, a failure in one part can cause a chain reaction, damaging others.

A/C Condenser Leaks

A widespread issue for many Honda models of this era, including the Civic, is a faulty A/C condenser. While a specific TSB for the HR-V was not found in searches, the problem is relevant. The condenser, which looks like a small radiator at the front of the car, can develop tiny holes that leak refrigerant. When the refrigerant level gets too low, the A/C system will stop blowing cold air to protect the compressor from damage. If you're experiencing A/C issues, a leaky condenser is a prime suspect.

Compressor Clutch Failure

The A/C compressor has a clutch on its pulley that engages and disengages to turn the compressor on and off. This clutch can fail in several ways. The electromagnetic coil can burn out, the bearing can seize, or the clutch plate can wear, creating too large of an air gap for the magnet to engage it. 🎬 See how to remove and replace a faulty A/C clutch coil. Symptoms often start intermittently, especially on hot days, before failing completely. Sometimes, a failing clutch is the only problem, but in many cases, it's a symptom of a failing compressor.

Internal Compressor Failure

The compressor can also fail internally. When this happens, it can send small metal shavings throughout the entire A/C system. This is a catastrophic failure. If you replace only the compressor without thoroughly flushing the entire system and replacing the condenser and expansion valve, the metal debris will destroy the new compressor in a very short time. This is why many repair quotes include replacing the compressor, condenser, and other components simultaneously.

Symptoms of a Failing A/C Compressor

Diagnosing an A/C problem can be tricky, as many different failed parts can cause the same symptom: no cold air. Here are some specific signs that point toward the compressor.

• No Cold Air: This is the most obvious symptom. The air from the vents may be warm or only slightly cool.
• Intermittent Cooling: The A/C might work for a while and then start blowing warm air, especially on hot days or when idling. This can point to a clutch that is struggling to engage.
• Loud Noises: A grinding, squealing, or rattling sound from the engine bay when the A/C is turned on is a serious warning sign. This often indicates a failing clutch bearing or internal compressor damage. Turn off the A/C immediately to prevent further damage.
• Compressor Clutch Not Engaging: With the engine running and A/C on, you should hear a distinct "click" as the compressor clutch engages, and you should see the center part of the pulley start to spin. If it doesn't, there could be an electrical issue, a bad clutch, or the system may be too low on refrigerant.

Buying a Used 2016-2022 HR-V A/C Compressor

A used OEM compressor can be a smart, cost-effective alternative to expensive new parts, especially when compared to cheap aftermarket options that may not have the same quality or fit. Here’s what to look for when buying a recycled A/C compressor.

Physical Inspection Checklist

• Check the Pulley and Clutch: Spin the pulley by hand. It should spin smoothly and quietly. Try to wiggle it; there should be no play. The clutch plate on the front should be intact and not show signs of extreme heat or rust.
• Inspect the Connectors: Make sure the electrical connector is not cracked, corroded, or damaged.
• Look for Leaks: Check around the seals and body of the compressor for oily residue. This is a sign that refrigerant oil has leaked out, meaning the seals have failed.
• Verify Part Numbers: Match the part number on the used compressor to your original part. While there may be several compatible numbers, an exact match is the safest bet. Known OEM part numbers include 38810-51M-A21, 38810-51M-A22, and 3881051MA01.
• Ensure Ports are Capped: A reputable seller will cap or plug the inlet and outlet ports to prevent moisture and debris from getting inside. If the ports are open to the air, moisture has likely contaminated the internal components.

Replacement Overview & Difficulty

Replacing the A/C compressor on a Honda HR-V is a moderately difficult job. While the compressor itself is often accessible from the top of the engine bay, the full procedure requires specialized tools and knowledge.

• Difficulty Rating: 4 out of 5
• Estimated Time: 2-3 hours for a professional
• DIY Feasible: Not recommended for beginners.

Because of the need for specialized equipment to handle the refrigerant, this repair is best left to a professional shop or a very experienced DIY mechanic with the right tools.

Cost Comparison

A/C compressor replacement can be an expensive repair, largely due to the high cost of a new OEM part.

Frequently Asked Questions (FAQ)

OEM Part Numbers

This list includes known OEM part numbers for the 2016-2022 Honda HR-V A/C compressor. The part may have been updated over the years, so one number may supersede another. Always verify fitment with the seller using your vehicle's VIN.

• 38810-51M-A21
• 38810-51M-A22 (replaces 38810-51M-A21)
• 3881051MA01
• 3881051MA22
• 3890051MA01