gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

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A/C - Retrofitting R-12 Vehicles to R-134A|Page 478 > < A/C - Retrofitting R-12 Vehicles to R-134A|Page 476

Typhoon V6-262 4.3L Turbo (1993)

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Refrigerant: Specifications

REFRIGERANT AND OIL CAPACITY

1. Refrigerant-12..................................................................................................................................................................................  1.134kg (2.5 lbs.).

    

CAUTION:  Overcharging a system may allow liquid Refrigerant-12 to get into the compressor, causing compressor noise and damage.
Undercharging will cause insufficient cooling.

2. 525 Viscosity Refrigerant oil

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R-4 Compressor ......................................................................................................................................................................  236 ml (8.0 fl. oz.).

A/C - Retrofitting R-12 Vehicles to R-134A|Page 478 > < A/C - Retrofitting R-12 Vehicles to R-134A|Page 476