What type of power brake booster in 2022 Tahoe z71

gagcon

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Trying to figure out if I have hydro boost or vaccuum assist in this vehicle. I don’t see the large vacuum diaphragm housing, so guessing hydroboost, but never seen hydroboost in anything except diesel before. I have 6.2 gas motor.
 

rockola1971

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Trying to figure out if I have hydro boost or vaccuum assist in this vehicle. I don’t see the large vacuum diaphragm housing, so guessing hydroboost, but never seen hydroboost in anything except diesel before. I have 6.2 gas motor.
Hydro Boost is factory in my 05 Denali 6.0L. If you dont have a vaccum booster behind your master cylinder then you have hydro boost. The hydro boost unit will be located directly behind the master where the vacuum booster would be located. The hydro boost will have high pressure hoses connected to it that look similar to power steering pump hose and one of them will lead down to the power steering pump since that is where the hydraulic fluid comes from using power steering fluid.
 
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gagcon

gagcon

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MassHoe04

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Wrong forum area for 2022, but I believe you are correct with the Hydroboost. You could confirm, if you see lines running from the power steering pump to the master cylinder.
My 04 Z71 does have it as well.
 
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gagcon

gagcon

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Wrong forum area for 2022, but I believe you are correct with the Hydroboost. You could confirm, if you see lines running from the power steering pump to the master cylinder.
My 04 Z71 does have it as well.
Thank you. Sorry about forum choice
 

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