Underhood A/C Specification Labels

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Most R-134a based systems will be identified through the use of underhood labels with R-134a refrigerant clearly printed on labels. See Fig 1. The underhood label used on Ford Motor Co. vehicles is Yellow. See Fig 2. Most manufacturers will identify refrigerant type with labels affixed to compressor. Before servicing an A/C system, always determine which refrigerant is being used.

Fig 1: Underhood Refrigerant Identification Label (Typical DaimlerChrysler Corp.)

Courtesy of CHRYSLER CORP.

Fig 2: Underhood Refrigerant Identification Label (Typical Ford Motor Co.)

Courtesy of FORD MOTOR CO.