Service brakes
Chevrolet technical service bulletin PIT3665L for 1998-2023 Chevrolet Silverado 1500, 2001-2004 Chevrolet Tahoe and 2022 Chevrolet Equinox and others.
- Bulletin number
- PIT3665L
- Component
- Service brakes
- Summary
- This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
Owners of these vehicles have filed 10,754 complaints in the brakes category.
Vehicles covered
- Chevrolet Silverado 1500 1998-2023 20162017201820192020202120222023
- Chevrolet Tahoe 2001-2004 2001200220032004
- Chevrolet Equinox 2022 2022
- GMC Sierra 1500 1998-2023 20162017201820192020202120222023
- Chevrolet Suburban 2001-2004, 2016-2019 20012002200320042016201720182019
- GMC Yukon 2001-2004 2001200220032004
- Chevrolet Silverado 2500 1998-2023 20162017201820192020202120222023
- Chevrolet Astro 1998-2005 19981999200020012002200320042005
- GMC Sierra 2500 1998-2023 20162017201820192020202120222023
- Cadillac Escalade 2001-2004 2001200220032004
- GMC Safari 1998-2005 19981999200020012002200320042005
- Chevrolet Silverado 3500 1998-2023 20162017201820192020202120222023
- Chevrolet Avalanche 1500 2002-2004 200220032004
- Chevrolet Express 1998-2021 20142015201620172018201920202021
- GMC Sierra 3500 1998-2023 20162017201820192020202120222023
- GMC Savana 1998-2023 20162017201820192020202120222023
- Hummer H2 2003-2007 20032004200520062007
- Chevrolet Silverado 1500 HD 2001-2005 20012002200320042005
- Chevrolet Express 3500 2023 2023
- Chevrolet Express 2500 2023 2023
- GMC Sierra 1500 HD 2001-2005 20012002200320042005
- Chevrolet Silverado 2500 HD 1998-1999 19981999
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