LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 935 (General Precautions) >> Precaution For HVAC Service Equipment >> Service Couplers

Service Couplers

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

Do not attempt to connect HFC-134a (R-134a) service couplers to a CFC-12 (R-12) A/C system. The HFC-134a (R-134a) couplers will not properly connect to the CFC-12 (R-12) system. If an improper connection is attempted, discharging and contamination may occur.

Shut-off valve rotation A/C service valve
Clockwise Open
Counterclockwise Close
Fig 1: Identifying Service Couplers
G04877942Courtesy of NISSAN NORTH AMERICA, INC.