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2001 GMC 2500HD. 180,000 miles with regular servicing by…

Customer Question
2001 GMC 2500HD...

2001 GMC 2500HD. 180,000 miles with regular servicing by same shop for over 10 years. Noise problem started when steering was subject to very tight turn in backing from tight parking space. no noise up to that point.

Mechanic's Assistant: Will the headlights turn on? Is the battery fully charged?

Fluid was found to be on low side but still had fluid. Fluid was added but noise is still there . Is loudest when first starting truck and when turning and also when stepping on brake. everything else works fine.

Mechanic's Assistant: What year is your Space?

Not sure what you mean by space

Mechanic's Assistant: Are you fixing your Space yourself? What have you tried so far?

Only added fluid

Submitted: 6 months ago.Category: GMC
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Answered in 5 minutes by:
1/2/2018
GMC Mechanic: xsvectOR, ASE Certified Technician replied 6 months ago
xsvectOR
xsvectOR, ASE Certified Technician
Category: GMC
Satisfied Customers: 17,338
Experience: car expert!
Verified

is the noise coming from the steering pump?

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Customer reply replied 6 months ago
Appears to be but noise increases when stepping on brake
Customer reply replied 6 months ago
not in position to work on it at this time
GMC Mechanic: xsvectOR, ASE Certified Technician replied 6 months ago

the brakes are a hydo boost set up..instead of vacum assist so the steering pump applys assist to the brakes...so pump is noisey its failing and should be replaced...it controls 2 systems...steering and brakes

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