Home >> Nissan-Datsun >> 1988 >> D21 Hardbody 4WD V6-2960cc 3.0L SOHC (VG30i) >> Repair and Diagnosis >> Heating and Air Conditioning >> Technical Service Bulletins >> All Technical Service Bulletins >> A/C - Retrofit Service Procedures >> Service Procedures >> HFC-134A (R-134A) Service Procedure