Bonneville V6-231 3.8L VIN 3 SFI (1988)
Hose/Line HVAC: Technical Service Bulletins
A/C - Compressor Lines Reversed During Service Repairs
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
