Technical Service Bulletins (TSB)

BUICK — CAMARO, CORVETTE, CTS, REGAL, SS (2012–2015) — 14 vehicle combinations

190000 TIRES

This informational bulletin adds the 2015 model year to information on cold weather tire cracking of high performance summer-only tires, when used under the recommended operating temperatures.

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BUICK — CRUZE, ENCORE, SONIC, TRAX (2011–2015) — 14 vehicle combinations

061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

This preliminary informational bulletin provides information to reduce the number of no trouble found (NTF) turbochargers (TC) being returned to the warranty parts Center (WPC) by informing Service Department personnel of what inspections

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BUICK — 4500 SERIES, 9-7X, ACADIA, ALERO, ASTRA, ASTRO, ATS, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, BLAZER, BONNEVILLE, BRAVADA, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAVALIER, CENTURY, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CORVETTE, CRUZE, CTS, DEVILLE, DTS, ELR, ENCLAVE, ENCORE, ENVOY, ENVOY XL, ENVOY XUV, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, G3, G5, G6, G8, GRAND AM, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, ION, JIMMY, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LUCERNE, LW200, MALIBU, MONTANA, MONTANA EXT, MONTE CARLO, OUTLOOK, PARK AVENUE, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, S10, SAFARI, SAVANA, SEVILLE, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILHOUETTE, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SONOMA, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRACKER, TRAILBLAZER, TRAVERSE, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2004–2015) — 679 vehicle combinations

020000 SUSPENSION

This informational bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.

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BUICK — 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G3, G5, G6, G8, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, ION, LACROSSE, LUCERNE, MALIBU, MONTANA, MONTE CARLO, OUTLOOK, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, UPLANDER, VERANO, VIBE, VOLT, VUE, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2007–2015) — 834 vehicle combinations

060000 ENGINE (PWS)

This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but not

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BUICK — CRUZE, ELR, ENCORE, SONIC, TRAX, VOLT (2013–2015) — 17 vehicle combinations

060000 ENGINE (PWS)

This preliminary informational bulletin provides diagnostic tips that may be helpful in correcting a customer concern about a whistle noise heard from the engine area after the vehicle has warmed up, or for up to 10 seconds after the engine

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BUICK — ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, CAMARO, CANYON, CAPRICE, CAPTIVA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CTS, DTS, ELR, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G3, G5, G6, G8, H2, H3, HHR, IMPALA, LACROSSE, LUCERNE, MALIBU, OUTLOOK, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, TAHOE, TERRAIN, TOPKICK, TRAVERSE, TRAX, VERANO, VIBE, VOLT, VUE, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2010–2015) — 265 vehicle combinations

199000 TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

This preliminary informational bulletin provides information that the tire pressure monitor (TPM) sensors must always be re-learned when accessory wheels are installed on the vehicle.

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BUICK — VERANO (2014)

010000 STEERING

This engineering information bulletin is requesting information from dealers on a customer concern of a squeak or rubbing type noise when turning the steering wheel.

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BUICK — ATS, VERANO (2013–2014) — 6 vehicle combinations

060000 ENGINE AND ENGINE COOLING

GENERAL MOTORS: 2013-2014 BUICK VERANO, CADILLAC ATS : SOME CUSTOMERS HAVE CONCERNS OF VEHICLE STALLING WHILE DRIVING , NO MALFUNCTION WARNING CODE SHOWING. *LJ

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BUICK — 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G3, G5, G6, G8, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, ION, LACROSSE, LUCERNE, MALIBU, MONTANA, MONTE CARLO, OUTLOOK, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, UPLANDER, VERANO, VIBE, VOLT, VUE, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2007–2015) — 444 vehicle combinations

100000 POWER TRAIN

This informational bulletin was created for the Manual Transmission Operating Characteristics. The different noises caused by driver habit, weather conditions , and normal manual transmission noises.

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BUICK — ATS, CAMARO, CORVETTE, CTS, REGAL, SS (2010–2015) — 23 vehicle combinations

100000 POWER TRAIN

This informational bulletin provides information on driving characteristics of rear wheel drive vehicles and winter tires, tire responses to road conditions and application tips.

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BUICK — 3500, ACADIA, ATS, ATS-V, AVALANCHE, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, CTS-V, ELR, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE HYBRID, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY VAN, G3, G5, G6, G8, IMPALA, LACROSSE, LUMINA, MALIBU, MALIBU ECO, N300, REGAL, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TAHOE POLICE PURSUIT, TERRAIN, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VIBE, VOLT, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2014–2015) — 324 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

Special Return - Fuel Tank Module Kit: ACDelco Part Number M10256 (select date codes)

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BUICK — 4500 SERIES, 9-7X, ACADIA, ALERO, ASTRA, ASTRO, ATS, AURA, AURORA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, B7, BLAZER, BONNEVILLE, BRAVADA, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CATERA, CAVALIER, CENTURY, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CONVENTIONAL, CORVETTE, CRUZE, CTS, DEVILLE, DTS, ELDORADO, ELR, ENCLAVE, ENCORE, ENVOY, ENVOY XL, ENVOY XUV, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, FIREBIRD, G SERIES, G3, G5, G6, G8, GM, GRAND AM, GRAND PRIX, GTO, H SERIES, H2, H3, HHR, IMPALA, INTRIGUE, ION, JIMMY, JIMMY CLASSIC, L SERIES, L200, L300, LACROSSE, LESABRE, LUCERNE, LUMINA, LW200, M SERIES, M VAN, MALIBU, METRO, MONTANA, MONTANA EXT, MONTE CARLO, N SERIES, OUTLOOK, P SERIES, PARK AVENUE, PRIZM, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, S10, SAFARI, SAVANA, SEVILLE, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILHOUETTE, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SKY, SL, SOLSTICE, SONIC, SONOMA, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRACKER, TRAILBLAZER, TRANS SPORT, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2001–2015) — 847 vehicle combinations

138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

This informational bulletin provide information for the technicians to repair the rear window defroster contact or tabs.

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BUICK — 9-7X, ACADIA, ALERO, ASTRA, ASTRO, ATS, AURA, AURORA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, BLAZER, BONNEVILLE, BRAVADA, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAVALIER, CENTURY, CLASSIC, COBALT, COLORADO, CONVENTIONAL, CORVETTE, CRUZE, CTS, DEVILLE, DTS, ELR, ENCLAVE, ENCORE, ENVOY, ENVOY XL, ENVOY XUV, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, G SERIES, G3, G5, G6, G8, GRAND AM, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, ION, JIMMY, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LUCERNE, LW200, MALIBU, MONTANA, MONTANA EXT, MONTE CARLO, OUTLOOK, PARK AVENUE, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, S10, SAFARI, SAVANA, SEVILLE, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILHOUETTE, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SKY, SOLSTICE, SONIC, SONOMA, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRACKER, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2003–2015) — 733 vehicle combinations

350000 EQUIPMENT

This information provides the proper way to install the floor mats .

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BUICK — ACADIA, ENCLAVE, OUTLOOK, TRAVERSE (2007–2011) — 16 vehicle combinations

010000 STEERING

14329A - SPECIAL COVERAGE (REVISED SERVICE PROCEDURE). SOME VEHICLES MAY DEVELOP A POWER STEERING PUMP WEAR CONDITION THAT CAN CAUSE AN INTERMITTENT DROP OF POWER STEERING HYDRAULIC PRESSURE THAT WILL CAUSE REDUCED OR LOSS OF STEERING ASSI

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BUICK — 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G3, G5, G6, G8, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, ION, LACROSSE, LUCERNE, MALIBU, MONTANA, MONTE CARLO, OUTLOOK, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, UPLANDER, VERANO, VIBE, VOLT, VUE, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2007–2015) — 446 vehicle combinations

114000 ELECTRICAL SYSTEM:WIRING

This warranty informational bulletin advised the technician that when performing a wiring repair, more information is required.

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BUICK — ACADIA, CAPTIVA, CTS, ENCLAVE, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, SAVANA, SIERRA 3500, SILVERADO 3500, SUBURBAN, TAHOE, TRAVERSE, YUKON, YUKON XL (2013–2014) — 72 vehicle combinations

110000 ELECTRICAL SYSTEM

14515 - CUSTOMER SATISFACTION PROGRAM (STOP DELIVERY EXPANSION). APPROXIMATELY 8,776 ADDITIONAL VEHICLES HAVE BEEN ADDED TO THE RECALL POPULATION. THESE VEHICLES WERE SERVICED WITH A CHASSIS ELECTRONIC MODULE SUSPECTED OF CONTAINING INTERN

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BUICK — ACADIA, ATS, CAMARO, CAPTIVA, CTS, ENCLAVE, EQUINOX, IMPALA, LACROSSE, SRX, TERRAIN, TRAVERSE, XTS (2012–2013) — 60 vehicle combinations

021600 SUSPENSION:FRONT:WHEEL BEARING

Crankshaft Rear Oil Seal ? Oil Leak

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BUICK — CAMARO, EQUINOX, GENERAL MOTORS, LACROSSE, REGAL, SRX, TERRAIN (2010–2012) — 31 vehicle combinations

160000 STRUCTURE

Power Seat Height Adjuster Bolt

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BUICK — ACADIA, AVALANCHE, CANYON, COLORADO, CTS, ENCLAVE, ESCALADE, ESCALADE ESV, EXPRESS, GENERAL MOTORS, H2, H3, IMPALA, OUTLOOK, SAVANA, SIERRA 1500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SUBURBAN, TAHOE, TRAVERSE, VUE, YUKON, YUKON XL (2007–2014) — 129 vehicle combinations

110000 ELECTRICAL SYSTEM

Chassis Electronic Control Module Internal Contamination

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BUICK — AMPERA, EQUINOX, INSIGNIA, LACROSSE, MALIBU, REGAL, TERRAIN, VOLT (2012–2013) — 16 vehicle combinations

015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM

BUICK/CHEVROLET/GMC/OPEL: POWER STEERING ASSISTANCE MALFUNCTIONS WHILE EITHER TURNING LEFT OR RIGHT. MODELS 2012 OPEL AMPERA, VOLT, 2013 LACROSSE, REGAL, EQUINOX, MALIBU, TERRAIN, OPEL INSIGNIA. *PE UPDATED 08/1/2013 *JS UPDATED 11

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BUICK — ATS, CORVETTE, IMPALA, LACROSSE, REGAL, SIERRA 1500, SILVERADO 1500, SRX, XTS (2014) — 18 vehicle combinations

353000 EQUIPMENT:ELECTRICAL

GM: SOME VEHICLES MAY EXPERIENCE A BLANK SCREEN AFTER STARTUP AND REVERSE, THE REARVIEW CAMERA MESSAGE MAY BE ON, AND THE TOUCH SCREEN BECOMES INOPERATIVE. THE BLUETOOTH AND NAVIGATION MAY BE MALFUNCTIONING. ALSO INCLUDES CHEVROLET SILVERAD

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BUICK — CORVETTE, LACROSSE, REGAL, SIERRA 2500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON (2014–2015) — 8 vehicle combinations

117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

BUICK/CHEVROLET/GMC: DUE TO SOFTWARE ANOMALY, THE INSTRUMENT CLUSTER ANALOG GAUGES FAILS TO OPERATE PROPERLY. MODEL 2014 REGAL, LACROSSE, SILVERADO 1500, CORVETTE, SIERRA 1500, 2015 SUBURBAN, TAHOE, YUKON MODELS. *PE UPDATED 1/1

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BUICK — CRUZE, ENCORE, SONIC, TRAX (2011–2014) — 9 vehicle combinations

060000 ENGINE (PWS)

BUICK/CHEVROLET: DUE TO LOSS OF WASTEGATE PRELOAD, THE MALFUNCTION INDICATOR LAMP IS ILLUMINATED AND DIAGNOSTIC TROUBLE CODE (DTC) P0299 (ENGINE UNDERBOOST) IS SET AND WEAR IN WASTE ACTUATOR ROD END TO PIN JOINT IS NORMAL. MODEL 2013-2015

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BUICK — ACADIA, AVALANCHE, CAMARO, CTS, ENCLAVE, EQUINOX, GENERAL MOTORS, LUCERNE, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SUBURBAN, TAHOE, TERRAIN, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2010–2015) — 102 vehicle combinations

353000 EQUIPMENT:ELECTRICAL

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

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BUICK — 9-3, 9-5, 9-7X, ACADIA, ALERO, ASTRA, ATS, ATS-V, AURA, AVALANCHE, AVEO, C SERIES, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CORVETTE ZR1, CRUZE, CT6, CTS, CTS-V, DTS, ELR, ENCLAVE, ENCORE, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G VAN BUS, G3, G5, G6, G8, GENERAL MOTORS, GRAND PRIX, GTO, H2, H3, HHR, I-290, IMPALA, ION, LACROSSE, LESABRE, LUCERNE, LUMINA, MALIBU, MALIBU ECO, MONTANA, MONTE CARLO, OUTLOOK, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, UPLANDER, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2007–2015) — 587 vehicle combinations

200000 WHEELS

Information on Removal/Cracking of Stainless Steel Wheel Nut Caps.

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