TSB: BUICK ACADIA, AURA, CAMARO, CTS, ENCLAVE, EQUINOX, G6, G8, LACROSSE, MALIBU, OUTLOOK, SRX, STS, TERRAIN, TORRENT, TRAVERSE, VUE (2007–2011)

Bulletin 16NA085 — November 22, 2017

Bulletin Details

Bulletin ID16NA085
ManufacturerBUICK
ModelsACADIA, AURA, CAMARO, CTS, ENCLAVE, EQUINOX, G6, G8, LACROSSE, MALIBU, OUTLOOK, SRX, STS, TERRAIN, TORRENT, TRAVERSE, VUE
Model Years2007–2011
Date IssuedNovember 22, 2017
Date Added to NHTSAJune 4, 2018
ComponentENGINE AND ENGINE COOLING
Vehicles Affected124 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

THis bulletin provides information on new saddle cap design cylinder heads and usage.

Affected Vehicles

MakeModelYearComponent
GMC ACADIA 2011 060000 ENGINE AND ENGINE COOLING
GMC ACADIA 2011 350000 EQUIPMENT
CHEVROLET CAMARO 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAMARO 2011 350000 EQUIPMENT
CADILLAC CTS 2011 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS 2011 350000 EQUIPMENT
BUICK ENCLAVE 2011 060000 ENGINE AND ENGINE COOLING
BUICK ENCLAVE 2011 350000 EQUIPMENT
CHEVROLET EQUINOX 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET EQUINOX 2011 350000 EQUIPMENT
BUICK LACROSSE 2011 060000 ENGINE AND ENGINE COOLING
BUICK LACROSSE 2011 350000 EQUIPMENT
CHEVROLET MALIBU 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET MALIBU 2011 350000 EQUIPMENT
SATURN OUTLOOK 2011 060000 ENGINE AND ENGINE COOLING
SATURN OUTLOOK 2011 350000 EQUIPMENT
CADILLAC SRX 2011 060000 ENGINE AND ENGINE COOLING
CADILLAC SRX 2011 350000 EQUIPMENT
CADILLAC STS 2011 060000 ENGINE AND ENGINE COOLING
CADILLAC STS 2011 350000 EQUIPMENT
GMC TERRAIN 2011 060000 ENGINE AND ENGINE COOLING
GMC TERRAIN 2011 350000 EQUIPMENT
CHEVROLET TRAVERSE 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET TRAVERSE 2011 350000 EQUIPMENT
GMC ACADIA 2010 060000 ENGINE AND ENGINE COOLING
GMC ACADIA 2010 350000 EQUIPMENT
CHEVROLET CAMARO 2010 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAMARO 2010 350000 EQUIPMENT
CADILLAC CTS 2010 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS 2010 350000 EQUIPMENT
BUICK ENCLAVE 2010 060000 ENGINE AND ENGINE COOLING
BUICK ENCLAVE 2010 350000 EQUIPMENT
CHEVROLET EQUINOX 2010 060000 ENGINE AND ENGINE COOLING
CHEVROLET EQUINOX 2010 350000 EQUIPMENT
BUICK LACROSSE 2010 060000 ENGINE AND ENGINE COOLING
BUICK LACROSSE 2010 350000 EQUIPMENT
CHEVROLET MALIBU 2010 060000 ENGINE AND ENGINE COOLING
CHEVROLET MALIBU 2010 350000 EQUIPMENT
SATURN OUTLOOK 2010 060000 ENGINE AND ENGINE COOLING
SATURN OUTLOOK 2010 350000 EQUIPMENT
CADILLAC SRX 2010 060000 ENGINE AND ENGINE COOLING
CADILLAC SRX 2010 350000 EQUIPMENT
CADILLAC STS 2010 060000 ENGINE AND ENGINE COOLING
CADILLAC STS 2010 350000 EQUIPMENT
GMC TERRAIN 2010 060000 ENGINE AND ENGINE COOLING
GMC TERRAIN 2010 350000 EQUIPMENT
CHEVROLET TRAVERSE 2010 060000 ENGINE AND ENGINE COOLING
CHEVROLET TRAVERSE 2010 350000 EQUIPMENT
SATURN VUE 2010 060000 ENGINE AND ENGINE COOLING
SATURN VUE 2010 350000 EQUIPMENT
GMC ACADIA 2009 060000 ENGINE AND ENGINE COOLING
GMC ACADIA 2009 350000 EQUIPMENT
SATURN AURA 2009 060000 ENGINE AND ENGINE COOLING
SATURN AURA 2009 350000 EQUIPMENT
CADILLAC CTS 2009 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS 2009 350000 EQUIPMENT
BUICK ENCLAVE 2009 060000 ENGINE AND ENGINE COOLING
BUICK ENCLAVE 2009 350000 EQUIPMENT
CHEVROLET EQUINOX 2009 060000 ENGINE AND ENGINE COOLING
CHEVROLET EQUINOX 2009 350000 EQUIPMENT
PONTIAC G6 2009 060000 ENGINE AND ENGINE COOLING
PONTIAC G6 2009 350000 EQUIPMENT
PONTIAC G8 2009 060000 ENGINE AND ENGINE COOLING
PONTIAC G8 2009 350000 EQUIPMENT
BUICK LACROSSE 2009 060000 ENGINE AND ENGINE COOLING
BUICK LACROSSE 2009 350000 EQUIPMENT
CHEVROLET MALIBU 2009 060000 ENGINE AND ENGINE COOLING
CHEVROLET MALIBU 2009 350000 EQUIPMENT
SATURN OUTLOOK 2009 060000 ENGINE AND ENGINE COOLING
SATURN OUTLOOK 2009 350000 EQUIPMENT
CADILLAC SRX 2009 060000 ENGINE AND ENGINE COOLING
CADILLAC SRX 2009 350000 EQUIPMENT
CADILLAC STS 2009 060000 ENGINE AND ENGINE COOLING
CADILLAC STS 2009 350000 EQUIPMENT
PONTIAC TORRENT 2009 060000 ENGINE AND ENGINE COOLING
PONTIAC TORRENT 2009 350000 EQUIPMENT
CHEVROLET TRAVERSE 2009 060000 ENGINE AND ENGINE COOLING
CHEVROLET TRAVERSE 2009 350000 EQUIPMENT
SATURN VUE 2009 060000 ENGINE AND ENGINE COOLING
SATURN VUE 2009 350000 EQUIPMENT
GMC ACADIA 2008 060000 ENGINE AND ENGINE COOLING
GMC ACADIA 2008 350000 EQUIPMENT
SATURN AURA 2008 060000 ENGINE AND ENGINE COOLING
SATURN AURA 2008 350000 EQUIPMENT
CADILLAC CTS 2008 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS 2008 350000 EQUIPMENT
BUICK ENCLAVE 2008 060000 ENGINE AND ENGINE COOLING
BUICK ENCLAVE 2008 350000 EQUIPMENT
CHEVROLET EQUINOX 2008 060000 ENGINE AND ENGINE COOLING
CHEVROLET EQUINOX 2008 350000 EQUIPMENT
PONTIAC G6 2008 060000 ENGINE AND ENGINE COOLING
PONTIAC G6 2008 350000 EQUIPMENT
PONTIAC G8 2008 060000 ENGINE AND ENGINE COOLING
PONTIAC G8 2008 350000 EQUIPMENT
BUICK LACROSSE 2008 060000 ENGINE AND ENGINE COOLING
BUICK LACROSSE 2008 350000 EQUIPMENT
CHEVROLET MALIBU 2008 060000 ENGINE AND ENGINE COOLING
CHEVROLET MALIBU 2008 350000 EQUIPMENT
SATURN OUTLOOK 2008 060000 ENGINE AND ENGINE COOLING
SATURN OUTLOOK 2008 350000 EQUIPMENT
CADILLAC SRX 2008 060000 ENGINE AND ENGINE COOLING
CADILLAC SRX 2008 350000 EQUIPMENT
CADILLAC STS 2008 060000 ENGINE AND ENGINE COOLING
CADILLAC STS 2008 350000 EQUIPMENT
PONTIAC TORRENT 2008 060000 ENGINE AND ENGINE COOLING
PONTIAC TORRENT 2008 350000 EQUIPMENT
SATURN VUE 2008 060000 ENGINE AND ENGINE COOLING
SATURN VUE 2008 350000 EQUIPMENT
GMC ACADIA 2007 060000 ENGINE AND ENGINE COOLING
GMC ACADIA 2007 350000 EQUIPMENT
SATURN AURA 2007 060000 ENGINE AND ENGINE COOLING
SATURN AURA 2007 350000 EQUIPMENT
CADILLAC CTS 2007 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS 2007 350000 EQUIPMENT
PONTIAC G6 2007 060000 ENGINE AND ENGINE COOLING
PONTIAC G6 2007 350000 EQUIPMENT
BUICK LACROSSE 2007 060000 ENGINE AND ENGINE COOLING
BUICK LACROSSE 2007 350000 EQUIPMENT
SATURN OUTLOOK 2007 060000 ENGINE AND ENGINE COOLING
SATURN OUTLOOK 2007 350000 EQUIPMENT
CADILLAC SRX 2007 060000 ENGINE AND ENGINE COOLING
CADILLAC SRX 2007 350000 EQUIPMENT
CADILLAC STS 2007 060000 ENGINE AND ENGINE COOLING
CADILLAC STS 2007 350000 EQUIPMENT

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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 (16NA085) 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.