Date: September 25, 2009
A/C SYSTEM O-RING SEAL LEAKS
All Nissan vehicles with A/C system
IF YOU CONFIRM
A refrigerant leak at a refrigerant pipe/hose joint location,
Follow the leak detection information in the Service Manual to determine the source of refrigerant leaks.
The O-ring seal is the most common cause of a refrigerant leak at an A/C joint.
1. Inspect the metal surfaces of the pipe/hose joint for damage or contamination.
Do not replace a refrigerant pipe, hose, or other A/C component if an o-ring seal will solve the leak incident, if it should occur.
2. If no damage is found to the joint metal surfaces, replace the O-ring seal.
||When replacing O-ring seals, use lint-free gloves,
||Make sure no foreign material is introduced into the system when the joint is open.
||Apply A/C oil to the O-ring before installation.
||After recharging the system, recheck for leaks.
Reference an electronic parts catalog (FAST or equivalent) for any needed parts.
Reference the current Nissan Warranty Flat Rate Manual and use the correct coding for repairs performed.