Cadillac Escalade 1998–2024 — technical service bulletin
Bulletin PIT3665M · NHTSA communication 10237671 · issued May 19, 2023
Technical service bulletin
communication type
Electrical System
component
1998–2024
model years
60
vehicle entries
Official 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.
Vehicles covered
- 2001 Cadillac Escalade
- 2002 Cadillac Escalade
- 2003 Cadillac Escalade
- 2004 Cadillac Escalade
- 1998 Chevrolet Astro
- 1999 Chevrolet Astro
- 2000 Chevrolet Astro
- 2001 Chevrolet Astro
- 2002 Chevrolet Astro
- 2003 Chevrolet Astro
- 2004 Chevrolet Astro
- 2005 Chevrolet Astro
- 2002 Chevrolet Avalanche 1500
- 2003 Chevrolet Avalanche 1500
- 2004 Chevrolet Avalanche 1500
- 1998 Chevrolet Express
- 1999 Chevrolet Express
- 2000 Chevrolet Express
- 2001 Chevrolet Express
- 2002 Chevrolet Express
- 2003 Chevrolet Express
- 2004 Chevrolet Express
- 2005 Chevrolet Express
- 2006 Chevrolet Express
- 2007 Chevrolet Express
- 2008 Chevrolet Express
- 2009 Chevrolet Express
- 2010 Chevrolet Express
- 2011 Chevrolet Express
- 2012 Chevrolet Express
- 2013 Chevrolet Express
- 2014 Chevrolet Express
- 2015 Chevrolet Express
- 2016 Chevrolet Express
- 2017 Chevrolet Express
- 2018 Chevrolet Express
- 2019 Chevrolet Express
- 2020 Chevrolet Express
- 2021 Chevrolet Express
- 2022 Chevrolet Express
- 2023 Chevrolet Express 3500
- 1998 Chevrolet Silverado 1500
- 1999 Chevrolet Silverado 1500
- 2000 Chevrolet Silverado 1500
- 2001 Chevrolet Silverado 1500
- 2002 Chevrolet Silverado 1500
- 2003 Chevrolet Silverado 1500
- 2004 Chevrolet Silverado 1500
- 2005 Chevrolet Silverado 1500
- 2006 Chevrolet Silverado 1500
- 2007 Chevrolet Silverado 1500
- 2008 Chevrolet Silverado 1500
- 2009 Chevrolet Silverado 1500
- 2010 Chevrolet Silverado 1500
- 2011 Chevrolet Silverado 1500
- 2012 Chevrolet Silverado 1500
- 2013 Chevrolet Silverado 1500
- 2014 Chevrolet Silverado 1500
- 2017 Chevrolet Silverado 1500
- 2018 Chevrolet Silverado 1500
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.