2000 and up Savannah and Express Van Installation Instructions

Installation instructions for Rear A/C block kit ATMGMCS1

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 compress

2. Install large fitting with new Oring

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

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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