1996-1999 Chevy,GMC full size van

1996-1999 Chevy,GMC full size van

Installation instructions for Rear A/C block kit ATMGM9699

Chevrolet and GMC Full size Savana and Express Van w/threaded fittings to rear unit
CAUTION: Refrigerant under high pressure.  Be sure to evacuate the system before servicing.

1. Unhook suction line to rear unit located directly off the compressor

low side line 

2. Install large fitting with new Oring

3. Remove discharge line to the rear unit located below and to the right of the battery

High side line

4. Install the high side fitting with the new oring

NOTE: Adjust refrigerant charge about 1-1 1/4 pounds LESS than factory specifications
 

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