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2016 Silverado 1500 LTZ Brake Vacuum Pump Issues

Old November 30th, 2018, 1:24 PM
  #1  
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Default 2016 Silverado 1500 LTZ Brake Vacuum Pump Issues

I have issues with Braking at low speeds (like in touch and go traffic or parking) in my 2016 Silverado 1500 LTZ Crew Cab. Everything works fine normally except in touch and go traffic or when parking (idle speed). I have checked EVERYTHING and all checks good except the brake system vacuum pump has only 9 Hg of vacuum at idle speed or low RPM's and everything I have read says it should have at least 27 Hg.

Has anyone else had issues?
Do you know if Chevrolet has any recalls or service repairs for this issue?
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Old April 13th, 2019, 4:23 PM
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GM has vacuum pump issues . No recalls
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Old April 13th, 2019, 10:53 PM
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if you pay to get this repaired....keep all receipts...if this turns into a recall, which may be the case, gm will reimburse you.
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Old April 15th, 2019, 2:36 AM
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Originally Posted by tech2 View Post
if you pay to get this repaired....keep all receipts...if this turns into a recall, which may be the case, gm will reimburse you.
Good advice. This issue should be a safety issue. GM needs to fix this problem.
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