Question about 2005 GMC Sierra
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Posted on Jan 02, 2017
If the steering is working ok it will be a new seal required in pump If steering feels funny or stiff there is a valve problem in steering unit Remove return line and make sure there is flow back to reservoir
Posted on Jul 10, 2009
Have you checked the level of fluid in the pump? If it is full, you may have damaged the pump with it ran low. Try a Power Steering Lubricant first but if it is full and still making noise it is time to replace.
There are a few models that use the power steering pump at the booster for the brakes, but I doubt that yours is that. Look at the brake master cylinder. If it has this big round black drum, you have a vacuum assist and there is no correlation. If it has a couple of hoses going to an item behind the master that look like the hoses on your power steering there may be a correlation. Most of the diesels had the power steering booster.
Hope this helps
Posted on Jan 28, 2010
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