2015 GMC Trailering Guide
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2015 TRAILERING GUIDE 2 GMC TRAILERING GUIDE CAPABILITIES YOU CAN COUNT ON SIERRA DENALI CREW CAB IN ONYX BLACK shown with available equipment. AT GMC, WE ENGINEER TABLE OF CONTENTS 3 _ SELECTING A VEHICLE PROFESSIONAL GRADE TRUCKS, 5 _ VEHICLES AND HITCHES SUVs , CROSSOVERS AND VANS. 7 _ POWER AND PERFORMANCE Our latest examples? The new 2015 Canyon showcases incredible thinking 9 _ TRAILERING TERMS in the form of a truck. And the all-new 2015 Yukon elevates the SUV 10 _ DRIVE TYPES to a new level of refinement. The following pages detail the capabilities 11 _ TRAILERING ON THE ROAD of the entire GMC lineup, including Canyon, Sierra, Sierra HD, Acadia, 12 _ DINGHY TOWING CAPABILITY Terrain and Savana. 13 _ SIERRA TRAILER WEIGHT RATINGS 17 _ TERRAIN, CANYON AND YUKON TRAILER WEIGHT RATINGS 19 _ ACADIA AND SAVANA TRAILER WEIGHT RATINGS 3 SELECTING A VEHICLE Every GMC truck, crossover, SUV and van is designed specifically for trailering, with power, handling and convenience features you can rely on for long hauls and heavy loads. This guide will help you select the GMC model that’s right for your trailering needs and also contains helpful tips for loading, driving and parking with your trailer. SIERRA DENALI CREW CAB IN ONYX BLACK shown with available equipment. 4 MAXIMUM TRAILER WEIGHT RATING (LBS)1 1000 3000 5000 7000 9000 11,000 13,000 15,000 17,000 19,000 21,000 23,000 This chart gives you an idea of the maximum amount of weight TERRAIN/ TERRAIN DENALI you can confidently and safely 35002 trailer with different GMC model lines when your vehicle is properly equipped. When ACADIA/ACADIA DENALI 520 03 determining the total weight of trailer and cargo, include the weight of any additional 4 passengers and optional CANYON 7000 equipment (driver weight and base equipment are already included). See pages 13-19 for YUKON XL/YUKON XL DENALI 83005 maximum trailer weight ratings by specific model. YUKON/YUKON DENALI 85005 SIERRA 1500 DENALI 9400 SAVANA 2500/3500 PASSENGER 10,0006 SIERRA 1500 12,0007 SIERRA HEAVY DUTY 23,2008 1Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow. 2Requires V-6 engine. 3Requires Trailering Package (V92), which includes a factory-installed trailer hitch platform, seven-pin electrical plug and a Heavy-Duty Cooling Package. 4Requires 3.6L V-6 engine and available Trailering Package. 5Yukon SLE/SLT require Heavy-Duty Trailering Package (NHT). 6Savana 3500 RWD with Duramax Diesel engine (LGH). 7Sierra 1500 Double or Crew Cab Short Box 2WD with available 6.2L V-8 and Max Trailering Package. 8Sierra 3500HD Regular Cab 4WD DRW with Duramax Diesel engine (LML). 5 VEHICLES AND HITCHES SELECTING THE RIGHT HITCH Choosing the right hitch and making TRAILERING PACKAGE An optional Trailering Equipment Package is the proper electrical connections affects how your vehicle handles, available for a wide variety of GMC models (and is standard on some corners and brakes, and allows you to alert other drivers of your Sierra and Yukon models). The package includes a trailer hitch platform HITCH BALL ON STEP BUMPER intentions. Before selecting a hitch or trailering package, you should be and may include other trailering equipment. familiar with the weight ratings specific to your GMC vehicle, which are detailed on pages 13-19. WIRING HARNESS This allows you to connect the electrical components of your trailer, such as signal and brake lights, to the SELECTING TRAILERING EQUIPMENT Every GMC vehicle features trailering vehicle. All Yukon models feature a seven-pin wiring harness a variety of standard and available equipment for enhanced trailering to streamline hookup of trailer lighting and brakes, and a bussed performance. Aside from the equipment described below, features electrical center makes it easier to connect an electrical trailer brake HITCH BALL ON DRAW BAR such as heavy-duty cooling and extendable trailering mirrors may be controller if one was not factory installed. Sierra models can be available. See your GMC dealer for more information on the model you’re equipped with a four-pin/seven-pin wiring harness. interested in. INTEGRATED BRAKE CONTROLLER This is standard on all Sierra WEIGHT-CARRYING HITCH This consists of a hitch ball mounted to a and Yukon Denali models and 3500HD, and optional on other Sierra step bumper or draw bar, commonly used for trailering light and medium pickups and Yukon models. Completely integrated within the electrical WEIGHT-DISTRIBUTING HITCH loads. Hitch balls are available in a range of sizes. Make sure that the system and its antilock braking system, it allows your trailer’s brakes to diameter of your hitch ball matches your trailer coupler. Also check that operate simultaneously with the vehicle’s brakes. the ball meets or exceeds the gross trailer weight rating.1 TRAILER BRAKES These are required above 2000-lb trailer weight on WEIGHT-DISTRIBUTING HITCH This is most often used for heavier Sierra, Canyon and Yukon; above 1500-lb trailer weight on Savana and trailering. This hitch type more evenly distributes the trailer load by above 1000 lbs on all other models. The most common trailer braking using spring bars to shift some of the hitch weight forward onto the tow systems are surge brakes (found primarily on boat trailers) and electric 1 FIFTH-WHEEL HITCH vehicle’s front axle, and rearward to the trailer’s axles. brakes (often used on travel trailers, horse trailers and car haulers). Surge brakes are a self-contained hydraulic brake system on the trailer, FIFTH-WHEEL HITCH AND GOOSENECK HITCH These are activated during deceleration as the trailer coupler pushes on the hitch designed for heavy trailering. Located in the bed of the truck, these ball. An electric trailer brake system uses a brake control unit mounted hitches position the trailer’s kingpin weight over or slightly in front of inside the trailering vehicle; it operates by sensing the vehicle brakes the truck’s rear axle. Fifth-wheel and gooseneck hitches are most and then applying the trailer brakes. frequently used with travel trailers, horse trailers and other large GOOSENECK HITCH trailers.2 1See pages 13-19 for ratings. 2See page 14 for ratings. 6 VEHICLES AND HITCHES SERIES In general, a higher series number indicates a greater load-carrying capacity. In addition, a vehicle with a higher series number typically has a stronger frame, more rigid chassis and higher-capacity brakes, increasing the vehicle’s ability to trailer heavy loads. OPEN-CARGO, CLOSED-CARGO VEHICLES There are two types of GMC vehicles: open-cargo (Canyon, Sierra), designed primarily for carrying lots of cargo, and closed-cargo (Acadia, Yukon, Terrain and Savana), for carrying both cargo and passengers. The multipurpose capabilities of our full range of closed-cargo vehicles make them good choices for drivers YUKON SLT IN QUICKSILVER METALLIC shown with available equipment. with broad driving requirements. 7 POWER AND PERFORMANCE The engines in GMC vehicles are specifically designed to provide the power and performance needed to handle ECOTEC3 The EcoTec3 engine family (SIerra offers a 4.3L light, medium or heavy loads over the long haul. They consistently deliver the high torque ratings needed to pull V-6, 5.3L V-8 and 6.2L V-8) features GMC’s latest 1 heavy loads and the horsepower needed to keep you moving down the road with confidence and control. technologies to deliver the power and fuel economy you need. For 2015, 6.2L V-8 models are equipped with a new Hydra-Matic 8-speed automatic. Yukon features the 5.3L and Yukon Denali includes the 6.2L.2 DURAMAX DIESEL V-8 AND ALLISON® 6-SPEED AUTOMATIC TRANSMISSION The Sierra Heavy Duty models are available with the Duramax 6.6L V-8 Turbo Diesel engine and the Allison 6-speed automatic transmission. The Allison transmission’s target lifespan of up to 200,000 miles3 is made possible through the use of larger, heavier components than normally found in 1-ton pickups. With an extraordinary 765 lb-ft of torque, the Duramax Diesel makes the 3500HD the most powerful Sierra HD ever. VORTEC ENGINE TECHNOLOGY Mile after mile, our Vortec engines reassert their reputation for stand-up performance and innovative, breakthrough engineering. This performance all starts with a unique cylinder head design: By developing an effective airflow velocity and path, just as a tornado twists a column of air, the Vortec cylinder head improves the air/fuel mix for better performance and fuel efficiency. In addition, the coil-near-plug ignition produces a reliable spark, and a stiff engine block provides superior vibration damping. EcoTec3 5.3L V-8 Engine (shown) LOCKING REAR DIFFERENTIAL Many GMC models are available with an Eaton® automatic locking rear differential, DIRECT INJECTION (DI) ACTIVE FUEL MANAGEMENT (AFM) VARIABLE VALVE TIMING (VVT) designed to improve low-speed traction of your 2WD or 4WD For precise fuel distribution and fast, By sensing load and demand, AFM improves For responsiveness in low-speed city driving vehicle. The differential engages when the speed difference efficient combustion, all Canyon, Sierra fuel efficiency by activating or deactivating and bold power for open-road passing or between the rear tires reaches approximately 100 rpm. Once 1500, Yukon, Terrain and Acadia engines cylinders (two on the V-6 and four on the trailering, all Canyon, Sierra and Yukon the differential engages, both rear wheels rotate at the same benefit from DI technology. The system V-8). It’s standard on all Sierra 1500 and engines feature continuously VVT.