911 Turbo Coupe F6-3299cc 3.3L SOHC Turbo (1988)
Refrigerant: Technical Service Bulletins
A/C - Substitutes for R-12 Refrigerant
May 17, 1990
Model
Group
All
8
Part Identifier
Number
87-
9102
Subject:
R-12 Refrigerant Substitutes
ATTENTION: Service Manager/Service Technician
Models Affected:
All
Concern:
Damage to A/C systems due to the use of substitute refrigerant.
General Information:
Please be aware that currently no substitute for R-12 has been approved by Porsche.
R-12 is the only reffigerant approved for use in Porsche A/C systems. No other refrigerant may be used.
Even if a product is promoted as a direct replacement for R-12, it must not be used until approved by Porsche.
Failure to observe this caution can result in serious A/C system damage.