My 99 chevy suburban 5.3, 4WD causing steering problems

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Old 12-06-08, 11:18 PM
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Join Date: Dec 2008
Location: mid-michigan
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Question My 99 chevy suburban 5.3, 4WD causing steering problems

Any suggestions welcome. In Michigan at 20 degrees F, my steering is difficult and very erratic feeling when I am in AWD or 4WD. When parked & idling, it sounds like there is a pump that keeps kicking on & off. (This is kind of high pitch-not like the hum of the fuel pump.) This happens even when the engine is hot. When cold the steering wheel really fights back on a turn.
 
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Old 12-07-08, 04:15 AM
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Have you ruled out the power steering pump?
It takes more effort when 4wheel is engaged.
 
  #3  
Old 12-09-08, 06:46 AM
Join Date: Jan 2007
Location: North Central Indiana
Posts: 905
steering

If you have variable rate steering the sensor may be bad. RW
 
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