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Clayso, Master Automobile Technician
Category: Cadillac
Satisfied Customers: 880
Experience:  ASE Master Certified Automobile Technician. 30 Years Experience.
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2008 STS at low idle power steering is gone ,it works fine

Customer Question

2008 STS at low idle power steering is gone ,it works fine when driving
JA: Is the power loss consistent, or does it fluctuate?
Customer: consistant
JA: Are you fixing your STS yourself? What have you tried so far?
Customer: drained power steering fluid ,ran cleaner through , no improvement
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 5 months ago.
Category: Cadillac
Expert:  Clayso replied 5 months ago.

Hi There,

This is Clay, I'm a certified master automobile technician with 30 years of automotive repair and diagnostic experience.

From your description most likely the power steering pump is at fault. Before replacing any compomnents it would be a very good idea to have all of the systems checked for any codes stored, particulary C0450. Let me know if any codes are stored in the BCM.

I hope this information is helpful. If you have any questions let me know. You can reply back to me through this thread at any time.