Gaging Operation - GMC 1989 Light Duty Truck Repair Manual

1B 1-12 A-6 AIR CONDITIONING COMPRESSOR
23. D ischarge crossover tube (26) from the cylinder half
(29) with locking jaw pliers.
— T his is n ecessary on original factory e q u ip ­
m ent becau se the tube ends are sw edged into
the cylinder halves.
— If previously serviced, the discharge cross­
over tubes (26) will have a seal and bushing at
the end of the tube. R em ove th ese tubes by
hand.
Figure 2 4 — S eparating the C ylinder Halves
Figure 25— Identifying the Notch at the Front
of the Piston

GAGING OPERATION

Install or C onnect (Figures 27 through 31)
Tools R equired:
J 9 3 9 6 C o m pressor H olding Fixture
J 9 3 9 7 C om pressing Fixture
J 9 4 3 2 N e e d le B earing Installer
J 21352-A C o m p ressor Su pp o rt Block
Figure 2 6 — R em oving the Front T hrust Races and
Bearing