| Subject: | Power Steering, Steering Wheel Shudder/Vibration During Low Speed Parking Maneuvers (Replace Power Steering Assembly Hose) | 
| Models: | 2007 Cadillac Escalade, Escalade ESV, Escalade EXT | 
| 2007 Chevrolet Avalanche, Silverado, Suburban | 
| 2007 GMC Yukon, Yukon XL, Yukon Denali | 
| Built Prior To 05/30/07 | 
| Excluding Pickup Models with 4.3L V6 Engine (VIN X - RPO LU3) | 
Some customers may comment on a shudder or vibration in the steering wheel during low speed parking lot maneuvers.
This vibration/shudder may be caused by unstable fluid flow characteristics inside the power steering hose assembly.
Important: DO NOT replace the power steering pump or gear.
Technicians are to replace the power steering inlet hose assembly with P/N 25858603.
Refer to SI for power steering inlet hose removal and installation procedures.
Part Number  | Description  | Qty  | 
|---|---|---|
25858603  | Hose, Power Steering Gear Inlet  | 1  | 
For vehicles repaired under warranty, use:
Labor Operation  | Description  | Labor Time  | 
|---|---|---|
E8679  | Power Steering Gear Inlet Pipe/Hose - Replace  | Use Published Labor Operation Time  |