TSB: BUICK ACADIA, ATS, CAMARO, CANYON, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CTS, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, MALIBU, REGAL, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA HD, SILVERADO, SILVERADO 2500, SILVERADO 3500, SILVERADO HD, SONIC, SPARK, SRX, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XTS, YUKON, YUKON XL (2015–2016)

Bulletin SB-08-24-15 — August 24, 2015

Bulletin Details

Bulletin IDSB-08-24-15
ManufacturerBUICK
ModelsACADIA, ATS, CAMARO, CANYON, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CTS, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, MALIBU, REGAL, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA HD, SILVERADO, SILVERADO 2500, SILVERADO 3500, SILVERADO HD, SONIC, SPARK, SRX, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XTS, YUKON, YUKON XL
Model Years2015–2016
Date IssuedAugust 24, 2015
Date Added to NHTSAFebruary 3, 2016
ComponentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
Vehicles Affected178 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

GENERAL MOTORS: PARTS FOR MOST VEHICLES, CLUTCH, MASTER CYLINDER ASSEMBLY ARE, REQUIRED AND REQUESTED, TO BE RETURNED AND NEED TO REORDER REPLACEMENT PARTS USING SAME PART NUMBERS. *PE

Affected Vehicles

MakeModelYearComponent
GMC ACADIA 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC ACADIA 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CADILLAC ATS 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CADILLAC ATS 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET CAMARO 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET CAMARO 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC CANYON 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC CANYON 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET CITY EXPRESS 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET CITY EXPRESS 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET COLORADO 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET COLORADO 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET CORVETTE 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET CORVETTE 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET CRUZE 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET CRUZE 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CADILLAC CTS 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CADILLAC CTS 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
BUICK ENCLAVE 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
BUICK ENCLAVE 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
BUICK ENCORE 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
BUICK ENCORE 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET EQUINOX 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET EQUINOX 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CADILLAC ESCALADE 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CADILLAC ESCALADE 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET EXPRESS 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET EXPRESS 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET IMPALA 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET IMPALA 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
BUICK LACROSSE 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
BUICK LACROSSE 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET MALIBU 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET MALIBU 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
BUICK REGAL 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
BUICK REGAL 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SAVANA 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SAVANA 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SAVANA 1500 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SAVANA 1500 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SAVANA 2500 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SAVANA 2500 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SAVANA 3500 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SAVANA 3500 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SIERRA 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SIERRA 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SIERRA 1500 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SIERRA 1500 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SIERRA 2500 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SIERRA 2500 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SIERRA 3500 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SIERRA 3500 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SIERRA HD 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SIERRA HD 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SILVERADO 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SILVERADO 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SILVERADO 2500 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SILVERADO 2500 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SILVERADO 3500 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SILVERADO 3500 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SILVERADO HD 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SILVERADO HD 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SONIC 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SONIC 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SPARK 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SPARK 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CADILLAC SRX 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CADILLAC SRX 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SUBURBAN 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SUBURBAN 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET TAHOE 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET TAHOE 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC TERRAIN 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC TERRAIN 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET TRAVERSE 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET TRAVERSE 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET TRAX 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET TRAX 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
BUICK VERANO 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
BUICK VERANO 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET VOLT 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET VOLT 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
CADILLAC XTS 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CADILLAC XTS 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC YUKON 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC YUKON 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC YUKON XL 2016 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC YUKON XL 2016 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC ACADIA 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC ACADIA 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CADILLAC ATS 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CADILLAC ATS 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET CAMARO 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET CAMARO 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC CANYON 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC CANYON 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET CITY EXPRESS 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET CITY EXPRESS 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET COLORADO 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET COLORADO 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET CORVETTE 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET CORVETTE 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET CRUZE 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET CRUZE 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CADILLAC CTS 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CADILLAC CTS 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
BUICK ENCLAVE 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
BUICK ENCLAVE 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
BUICK ENCORE 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
BUICK ENCORE 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET EQUINOX 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET EQUINOX 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CADILLAC ESCALADE 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CADILLAC ESCALADE 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CADILLAC ESCALADE ESV 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CADILLAC ESCALADE ESV 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET EXPRESS 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET EXPRESS 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET IMPALA 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET IMPALA 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
BUICK LACROSSE 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
BUICK LACROSSE 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET MALIBU 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET MALIBU 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
BUICK REGAL 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
BUICK REGAL 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SAVANA 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SAVANA 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SAVANA 1500 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SAVANA 1500 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SAVANA 2500 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SAVANA 2500 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SAVANA 3500 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SAVANA 3500 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SIERRA 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SIERRA 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SIERRA 1500 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SIERRA 1500 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SIERRA 2500 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SIERRA 2500 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SIERRA 3500 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SIERRA 3500 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC SIERRA HD 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC SIERRA HD 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SILVERADO 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SILVERADO 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SILVERADO 2500 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SILVERADO 2500 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SILVERADO 3500 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SILVERADO 3500 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SILVERADO HD 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SILVERADO HD 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SONIC 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SONIC 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SPARK 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SPARK 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CADILLAC SRX 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CADILLAC SRX 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET SUBURBAN 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET SUBURBAN 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET TAHOE 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET TAHOE 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC TERRAIN 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC TERRAIN 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET TRAVERSE 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET TRAVERSE 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET TRAX 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET TRAX 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
BUICK VERANO 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
BUICK VERANO 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CHEVROLET VOLT 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CHEVROLET VOLT 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
CADILLAC XTS 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CADILLAC XTS 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC YUKON 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC YUKON 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY
GMC YUKON XL 2015 034100 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GMC YUKON XL 2015 101000 POWER TRAIN:CLUTCH ASSEMBLY

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (SB-08-24-15) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.