Here is a bulletin on the steering if you want to take a guess its a bad motor and replace it you can.I have never replaced just the motor only the whole column was available when I was replacing them.I have no info or instructions available it looks like it just bolts up though.
Bulletin No: 06-02-32-002D
Date: June 17, 2010
Subject: Information for Normal Operating Characteristics of Electric Power Steering (EPS) System During Extended Lock-to-Lock Turns or When Held at Maximum Steering Wheel Rotation and/or DTCs C0176 and C0476 Set
2004-2011 Chevrolet Malibu, Malibu Maxx
2005-2011 Chevrolet Cobalt, Equinox
2006-2011 Chevrolet HHR
2010-2011 GMC Terrain
2005-2010 Pontiac G6
2005-2006 Pontiac Pursuit (Canada Only)
2006-2009 Pontiac Torrent
2007-2010 Pontiac G5
2002-2009 Saturn VUE
2003-2007 Saturn ION
2007-2009 Saturn AURA
Equipped With Electric Power Steering (EPS) Only
This bulletin is being revised to add model years and clarify the information. Please discard Corporate Bulletin Number 06-02-32-002C (Section 02 - Steering).
- The purpose of this bulletin is to inform technicians of the normal operating characteristics of the electric power steering system (EPS) when the steering wheel is turned in either direction or held at maximum rotation for an extended period of time.
- When the steering wheel is cycled repeatedly or turned to its maximum rotation, the power steering control module (PSCM) will command the maximum amount of current to the EPS motor. If the steering wheel is held in this position for an extended period of time, the PSCM will go into overload protection mode to avoid system thermal damage. In this mode, the PSCM will limit the amount of current commanded to the EPS motor, which will reduce the power steering assist level.
- If the PSCM detects a high system temperature and the overload protection mode is initiated, DTC C0176 System Thermal Error may set. On some models, DTC C0476 Electric Steering Motor Circuit Range/Performance may also set. These DTCs indicate normal PSCM action, to reduce the steering assist in order to prevent thermal damage to power steering system components.
- Refer to Power Steering System Description and Operation in SI or the appropriate Service Manual for more information about this and other vehicle-specific information on electric power steering systems.
- For customer inquiries regarding this characteristic, please guide the customer to the Steering section under Driving Your Vehicle in their vehicle Owner Manual. This information is reproduced below for quick reference.
Owner Manual Information
If you turn the steering wheel in either direction several times until it stops, or hold the steering wheel in the stopped position for an extended amount of time, you may notice a reduced amount of power steering assist. The normal amount of power steering assist should return shortly after a few normal steering movements.
Thursday, April 14th, 2011 AT 4:29 PM