GMC chervolet camaro 1999 Service Manual page 251

2-20 Power Steering System Steering
Power Steering Pump Flow Control Valve
Replacement - Off Vehicle (Control Valve)
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Removal Procedure
3 4
1. Remove power steering pump assembly. Refer to
Power Steering Pump Replacement (3800 VIN K)
5 6
for 3.8L V6 or Power Steering Pump
Replacement (5.7L VIN G) for 5.7L
va.
2. Remove powers steering gear inlet hose (1) from
'
hydraulic pump fitting (2).
3. Remove hydraulic pump fitting (2) and
0-ring seal (3) from pump (6).
Important: The flow control valve must be installed in
the same orientation it was in when removed or
flow control and pressure relief will be affected.
4. Remove the flow control valve (4) and
valve spring (5) from pump (6) cavity
using magnet.
354417
Important: Do not disassemble the flow control
valve (4).
5. Inspect flow control valve (4) for free movement
within housing bore. If sticking occurs, check for
burrs and clean as necessary. If necessary,
replace flow control valve (4).
Installation Procedure
1. Install the valve spring (5) and flow control
valve (4) into pump (6) cavity.
Important: The flow control valve (4) should be
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installed face out, away from contact with the
valve spring (5).
2. Install new 0-ring (3) to fitting (2).
Notice: Refer to Fastener Notice in Cautions
and Notices.
Important: Lubricate 0-ring seal (3) with power
steering fluid.
3. Hand start fitting (2) and 0-ring seal (3) to
pump (6). Once fitting is seated by hand,
then tighten.
Tighten
Fitting to 75N-m (55 lb. ft.).
4. Install inlet hose (1) to fitting (2).
354417
Tighten
Inlet hose (1) to 28N,m (21 lb. ft.).
5. Install the power steering pump assembly.
Refer to Power Steering Pump
Replacement (3800 VIN K) for 3.8L V6 or
Power Steering Pump Replacement (5. 7L VIN G)
for 5.7L
va.
6. Fill reservoir with fluid and bleed system.
Refer to Bleeding Power Steering System
in Power Steering.
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