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Power Steering Pump Flow Control Valve Replacement - Off Vehicle

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power Steering Pump Flow Control Valve Components
GM1751186Courtesy of GENERAL MOTORS COMPANY
Power Steering Pump Flow Control Valve Replacement - Off Vehicle

Callout Component Name
Preliminary Procedure 
Remove the power steering pump assembly. Refer to Power Steering Pump Replacement (4.8L, 5.3L, 6.0L, and 6.2L) .
1 Power Steering Fluid Reservoir
2 Power Steering Pump Fitting
CAUTION:

Refer to Fastener Caution .


Tighten 
75 N.m (55 lb ft)
3 Power Steering Pump Fitting Seal
Procedure 
Apply power steering fluid to the power steering pump fitting seal before installing.
4 Power Steering Pump Flow Control Valve
5 Power Steering Pump Flow Control Valve Spring