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Service bulletin PIT5404D

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 id10118269
Published by NHTSA2017-10-04
Manufacturer's numberPIT5404D
Manufacturer's date2017-06-16
NHTSA componentSUSPENSION

NHTSA's summary

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Replace or repair any of the issue that was found in the inspection.If the vehicle is equipped with a 4.3 liter or 5.3 liter engine an updated exhaust system is now available.

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

Suspension

Vehicles listed
CADILLAC ESCALADE2015, 2016, 2017
CHEVROLET SILVERADO 15002014, 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2015, 2016
CHEVROLET TAHOE2015, 2016
GMC SIERRA 15002014, 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2015, 2016
GMC YUKON DENALI2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
20161902016-04-28. Suspension
16V2560002016-04-28. SUSPENSION:FRONT:CONTROL ARM

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
PI0281L2025-06-12. Service bulletin. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
18-NA-3152025-05-01. Service bulletin. This service bulletin advises the tech to only replace the shock that is bad and not all shocks.
05-03-07-009L2025-03-08. Service bulletin. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
21-NA-1382025-02-19. Service bulletin. This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.
05-03-08-002J2024-09-20. Service bulletin. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
05-03-08-002J2024-09-20. Service bulletin. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
21-NA-1382024-07-20. Service bulletin. This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.
10-03-10-001G2024-06-18. Service bulletin. This informational bulletin provides information on Wheel Balancer Mounting Instructions.
15-00-89-004G2024-05-15. Service bulletin. This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
PIT53492024-04-01. Service bulletin. MagneRide Rear Shocks Not Interchangeable Left To Right.