Clutch Rotor And/Or Bearing Assembly Replacement - Chevrolet 1991 Light Duty Truck Repair Manual

and Hub Assembly
□ Install or Connect (Figures 3, 6 and 7)
Tools Required:
J 33013-B Hub and Drive Plate Remover and
Installer
J 33022 6-Point 13 mm Socket
J 33027-A Clutch Hub Holding Tool
J 34992 Compressor Holding Fixture
1. Shaft key (23) into the hub key groove.
• Allow the shaft key (23) to extend 3.2 mm
(1/8-inch) out of the bottom of the hub keyway
(figure 6).
• The shaft key (23) is curved slightly to give an
interference fit in the hub key groove.
["I"] Important
• Do not drive or pound on the clutch hub or the
shaft (20). Internal damage to the compressor
may result.
2. Clutch plate and hub assembly (22) (figure 7).
• Make sure the contact surfaces of the clutch
plate (22) and the pulley (26) are clean.
• Remove the forcing screw tip from J 33013-B
and reverse the body direction on the center
screw.
• Install J 33013-B with bearing (B) (figure 7).
• Back off J 33013-B body enough to allow the
center screw to be threaded against the end of
the compressor shaft.
• Hold the center screw with a wrench and tight­
en the hex portion of J 33013-B body to press
the hub onto the shaft (38). After tightening the
body several turns, remove J 33013-B and
check that the shaft key (23) is properly in
place in the keyway, then install the clutch
plate and hub assembly (22) to its final posi­
tion.
V-5 AIR CONDITIONING COMPRESSOR 1B2-5
• Measure the air gap between contact surfaces
• Remove J 33013-B.
3. Shaft nut (21).
I f f l Inspect
• Position of the shaft (even with or slightly above
• Use J 33027-A to hold the clutch plate and hub
• Shaft nut (21) to 17 N-m (12 ft.lbs.) with
ASSEMBLY REPLACEMENT
Remove or Disconnect (Figures
0
and 11)
Tools Required:
1. Clutch plate and hub assembly (22).
2. Pulley bearing retainer (24) using J 6083 (figure 8).
3. Pulley (26).
• Install J 33023-A to the front head (figure 9).
• Install J 33020 tangs into the inner circle of
Figure 8—Removing the Pulley Rotor and Bearing
of the clutch plate and hub assembly (22) and
the pulley (26). The gap should be 0.38-0.64
mm (0.015-0. 025-inch).
the clutch hub).
assembly (2).
Tighten
J 33022.
— Use J 33027-A to hold the clutch plate and
hub assembly (22).
— Hand spin the pulley (26) to check for free
rotation.
— Remove the compressor from J 34992.
CLUTCH ROTOR AND/OR
BEARING
J 6083 External Snap Ring Pliers
J 9398-A Pulley Bearing Remover
J 29886 Driver Handle
J 33020 Pulley Puller
J 33023-A Puller Pilot
Assembly Retaining Ring
3, 9,
8, 10