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Discussion Starter #1
I took my 2014 Chevy Traverse to my trusted auto shop due to my brake lights not working. They replaced a fuse. Since my car rolled over 100,000 miles, my mechanic checked it over. He found a power steering fluid leak so I gave him the go-ahead to repair it. That was almost 2 weeks ago and they cannot get the air to “bleed” out of the system. I drove it for 3 days but it sounded so bad I took it back to the shop. It has now been back in the shop for a week, still making noise. They even called in the Chevy dealer mechanics. Has this problem been reported before? I am concerned that because the “bleeding” process has been performed so many times, it may cause problems with the pump or other components of the steering system. I would appreciate any advice or help.
 

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There is a bulletin when replacing the PS cooler, to be careful about introducing air--- as it is VERY difficult to purge it.
 

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Replacing a Power Steering Cooler
July 2, 2012

When replacing a leaking or damaged power steering cooler on a 2008-2012 Enclave, 2009-2012 Traverse, 2007-2012 Acadia or 2007-2010 Outlook, it is critical to replace the cooler without introducing a lot of air into the system.



When replacing a power steering cooler, first block off the hoses near the cooler connection with the appropriate clamps. (Fig 3, A, B) Next, disconnect the cooler from the lines and remove the cooler. (Fig. 3, C)





Fig 3



Prefill the new cooler on the bench and cap off the pre-filled cooler ends for installation.



Install the new pre-filled cooler on the vehicle and remove the clamps on the hoses.



Once installation is complete, be sure to follow the Power Steering System Bleed Procedure in the appropriate Service Information
 

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Discussion Starter #4
Thank you for your response. Over the last 2 weeks, the shop has used 2 synthetic fluid kits and performed several procedures to try to purge the air. I picked it up Friday and it still sounds terrible - loud whining and a grinding noise. I am so frustrated. Will this never go away?
 
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