A/C - Compressor Lines Reversed During Service Repairs

88pontiac17

Bulletin Number: 88-1-23
Reference Number: 801202R
Publish Date: 9/88
Subject: A/C COMPRESSOR LINES REVERSED DURING SERVICE REPAIRS

Models

Affected: 1987-88 BONNEVILLE EQUIPPED WITH AN HR-6/DA-6 COMPRESSOR
During Service repairs on an HR-6/DA-6 compressor equipped car, it is possible to attach the suction and pressure lines 180 degrees off, resulting in the lines being reversed.

Because of the compressors various vehicle applications, it is possible to get a compressor out of stock or to assemble the compressor head to front cylinder 120 degrees either direction from standard. If this misorientation condition occurs, the A/C lines can be put on reversed.

The symptoms for the above line reversal condition will be:

^ No cooling
^ Low high pressure side
^ High low pressure side

FIGURE 1 - COMPRESSOR AND CLUTCH ASSEMBLY - REAR VIEW:

FIGURE 2 - COMPRESSOR AND CLUTCH ASSEMBLY - REAR VIEW:

Correction:

Use Figures 1 and 2 for identification of parts for proper line installations.