GMC Chevrolet Camaro 1998 Service Manual page 168

1-58 HVAC System - Manual
HVAC
Compressor Control Switches Removal
(VS · Conventional Mount) ,
Tools Required (
• J 5403 Snap Ring Pliers
.
• J
9553-01 0-Ring Remover
• J 39500-8 R-134a Air Conditioning Refrigerant
Recovery, Recycling And Recharging System
1 . Recover the refrigerant using the J 39500-8.
2. Disconnect the electrical connector from the
switch (3 or 4) in the rear head of the compressor.
3. Remove the switch retaining ring using the J 5403.
4. Remove the switch (3 or 4) from the compressor.
Notice: If the existing switch will be reinstalled in the
compressor, a new 0-ring seal must be used and
preferably a new retainer should also be used. A new
switch kit has the 0-ring and retainer ring included.
5. Remove the old 0-ring seal from the switch cavity
231059
using the J 9553-01.
237069
214740
Compressor Control Valve Assembly
Install (VS • Conventional Mount)
Tools Required
J 5403 Snap Ring Pliers
1 . Coat the 0-rings with 525 viscosity refrigeration oil.
2. Using thumb pressure, push the 0-rings in place.
Important: Ensure that the retaining ring is properly
seated in the ring groove.
3. Using the J 5403, install the valve retaining
ring (5) with the high point of the curved sides
against the valve housing.
4. Evacuate the system. Recharge the system.
5. Perform a leak test. Refer to Compressor Leak
Testing (VS - Conventional Mount).
Compressor Control Valve Assembly
Install (V7 • Direct Mount)
Tools Required
J
41790 Compressor Holding Fixture
1. Coat the control valve 0-rings with clean
525 viscosity refrigeration oil.
2. Push the compressor control valve into the
compressor with thumb pressure.
3. Using internal snap ring pliers, install the
compressor control valve retaining ring.
Make sure the retaining ring is properly seated in
the ring groove.
4. Remove the compressor from the J 41790.
5. Install the compressor into the vehicle.
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