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Service bulletin PIT5361D

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10145479
Published by NHTSA2018-10-15
Manufacturer's numberPIT5361D
Manufacturer's date2018-09-13
NHTSA componentSERVICE BRAKES

NHTSA's summary

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have issues were the customer will need increased effort to depress the brake pedal. Technician may find fluid in the brake booster and/or the booster vacuum line. Technician will need to replace Vacuum Pump, Brake Booster, Master Cylinder, Vacuum Pump Belt and the Vacuum Line between the booster and the pump.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes

Vehicles listed
CADILLAC ESCALADE2015, 2016, 2017, 2018, 2019
CHEVROLET SILVERADO 15002014, 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 45002019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2015, 2016, 2017, 2018, 2019
CHEVROLET TAHOE2015, 2016, 2017, 2018, 2019
GMC SIERRA 15002014, 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2015, 2016, 2017, 2018
GMC YUKON XL2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V7680002025-11-06. SERVICE BRAKES, HYDRAULIC:POWER ASSIST
25V3900002025-06-12. SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING:SWITCH/SENSOR/FLOAT
20204592020-10-01. Brakes
20V6030002020-10-01. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
20200342020-01-30. Brakes
20V0550002020-01-30. SERVICE BRAKES, HYDRAULIC:POWER ASSIST
20196302019-12-12. Brakes
19V8890002019-12-12. SERVICE BRAKES; ELECTRONIC STABILITY CONTROL (ESC); SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT
20195332019-10-24. Brakes
19V7610002019-10-24. SERVICE BRAKES; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; ELECTRONIC STABILITY CONTROL (ESC)

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
23-NA-2012025-10-21. Service bulletin. This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated.
25-NA-0652025-04-24. Service bulletin. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
25-NA-0192025-02-11. Service bulletin. This bulletin advises the tech to check other areas that may need repair before replacing the wheel speed sensor.
21-NA-1552025-01-30. Service bulletin. This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
PIT5828D2025-01-20. Service bulletin. This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
PIT6134G2025-01-20. Service bulletin. This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
21-NA-0432024-12-10. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
PIT6134E2024-12-05. Service bulletin. This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
21-NA-0892024-12-04. Service bulletin. This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.