Parts for your 2006 Honda Stream-Ac compressor

2006 Honda Stream AC compressor: purpose, servicing and replacement

The 2006 Honda Stream is fitted with an air-conditioning compressor from factory, across both late first‑gen (RN1–RN5) and early second‑gen (RN6–RN9) models. This is confirmed in Honda’s Service Manual HVAC section for the Stream, the Honda Electronic Parts Catalogue (which lists a dedicated compressor assembly for 2006 variants), and Denso’s compressor application data for Honda models of this era. These sources also note an R134a system with a belt‑driven, clutch‑type Denso compressor using PAG oil (ND‑OIL8).

What does the compressor actually do? It pressurises and circulates refrigerant, moving heat out of the cabin via the condenser up front and bringing cool, dry air back through the evaporator. On the Stream, the compressor is designed to deliver steady cooling without guzzling fuel, and it’s robust so long as it gets clean airflow across the condenser and the correct refrigerant and oil volumes.

For owners looking at servicing or replacement, a few clues point to a tired compressor: warm air at idle on a hot day, a rattly or growly noise from the front of the engine, visible clutch slip, oily residue around the front seal, or metal debris caught in the system. Because refrigerant handling is regulated in Australia and New Zealand, any regas, recovery, or major AC work should be done by a licensed technician.

• Always check the under‑bonnet label for the correct R134a charge and follow the Honda Service Manual for oil balancing (ND‑OIL8/PAG 46). Measure what drains from the old unit and match it in the replacement.
• Replace the receiver‑drier (or the condenser if the drier is integrated on the specific Stream variant) whenever the system has been open to air or the compressor has failed.
• Flush lines and the evaporator if there’s evidence of internal wear, and inspect/replace the TX valve if contamination is found.
• Use new O‑rings lubricated with the correct oil, evacuate the system properly, and perform a vacuum hold/leak test before charging.
• Inspect the drive belt and tensioner, confirm the clutch air gap to spec, and make sure the condenser is clean for good heat rejection—critical in Aussie and Kiwi summers.

Sticking with OE‑quality parts (often Denso for this model) and following Honda’s torque specs and procedures pays off with quiet operation and frosty vents for years to come.

Popular questions

What refrigerant and oil does a 2006 Honda Stream AC system use?
Honda specifies R134a refrigerant and ND‑OIL8 (PAG 46) compressor oil for the Stream of this vintage. The exact refrigerant charge is on the under‑bonnet label, and oil balancing should follow the Honda Service Manual procedure to avoid under‑ or over‑oiling the new compressor.

Should the receiver‑drier be replaced when changing the compressor?
Yes. Best practice is to replace the receiver‑drier any time the system is opened, and especially after a compressor failure. On many 2006 Stream variants the drier is built into the condenser, so replacement may involve fitting a new condenser or a serviceable desiccant pack if the design allows.

How can someone tell if the compressor is failing on a 2006 Stream?
Common signs include weak cooling at idle, an intermittent or non‑engaging clutch, growling or chirping noises, and metallic debris found during service. A licensed technician can confirm with pressure readings, clutch and control checks, and by inspecting for leaks at the front seal and hose joints.