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Expert Answers about GMC Sierra 1500


  • What Torque Should Be Used For U-Bolt Nuts On Trailer Suspension
  • If the U-bolts are 9/16 inch diameter, the torque specs should be between 65 to 95 foot lbs. If the U-bolts are 3/8 inch diameter, the torque should be between 30 and 50 foot lbs.
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  • Can Trimax Puck Lock for Trailer Door Hasps be Keyed Alike
  • The Trimax Puck Lock for Trailer Door Hasps # TMX96RR cannot be keyed alike. While disappointing I'm sure, there is another option to consider, which is to order a quantity of two of the Trimax Puck Locks for Trailer Door Hasps # TMX73FR. The # TMX73FR comes with three locks, each of them with the same key, so if you ordered two you'd get six total locks that only use two different keys. While this is one more lock than you asked for, I wanted to mention it as an option just because it'd...
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  • B&W Tow & Stow Ball Mount With 4-1/2 Inches of Drop For GMC MultiPro Tailgate
  • There is indeed a B&W Tow & Stow ball mount that gives up up to 4-1/2 inches of drop and works with your GMC MultiPro tailgate; what you need is the following part number: - B&W Tow & Stow 2-Ball Mount - MultiPro - 2" Hitch - 4.5" Drop/5.5" Rise # BW29FR The # BW29FR has a 2" hitch ball with a 7,500 lb capacity and 2-5/16" hitch ball with a 10,000 lb capacity. In order to secure it to your hitch you will need the InfiniteRule Locking Pin for B&W Tow and Stow 10K and 14.5K Ball Mounts...
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  • Does Adding An Air Bag Kit Increase My Towing Capacity?
  • No, you can not raise your payload capacity by adding an air bag kit. Although adding an air bag kit like the Air lift # AL88388 will go a long way to support your trucks suspension and keep you level when towing, it will not increase your weight carrying capacity. You will still be limited my the manufacturers recommended weight limit. Unfortunately there really is not a way to increase your towing capacity with any kind of aftermarket add-on.
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  • Will the Andersen Ultimate Connection 5th Wheel Trailer Hitch System Void the Trailer Warranty
  • The Andersen Ultimate Connection 5th Wheel Trailer Hitch System part # AM3200 will not void the warranty on any trailer or frame (Including Lippert) per Anderson so you won't have any issues using this hitch on a newer trailer.
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  • Will NOCO Boost XL Jump Starter Work on 2023 GMC Sierra 1500 3.0 Diesel
  • Yes, the GB50 NOCO Boost XL Jump Starter # 329-GB50XL will work on a 2023 GMC Sierra 1500 3.0 diesel without any issues.
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  • Does the Curt Front Hitch # C31069 Have a Class Rating?
  • I confirmed with Curt that the Curt Front Mount Hitch - 2" # C31069 does not have a specific class rating. However, based on its 500 pound tongue weight capacity and a 5,000 pound gross trailer weight capacity, it would fall between the class II and class III weight ratings of a rear hitch. I have attached a chart to make this determination clearer. When considering the class, the most important factor is the size of the receiver opening (which is 2 inches) and the weight capacities. Another...
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  • How Much Does the Curt A20 Sliding Hitch Weigh?
  • The Curt A20 5th Wheel Trailer Hitch part # C16541 weighs 219 lbs. You can break this down into two pieces by removing only one pin, the head which weighs around 100 lbs and the base which weighs around 120 lbs.
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  • Correct Vehicle-End 7-Way Pin Functions
  • The photo you are referring to, which I have added, is actually correct. The left side of the diagram is simply the face of a vehicle-end 7-way. The right side of the diagram is what you would see if you pulled the connector out, turned it around and looked inside. That is why the functions (Brake Controller Output, Ground) are on the opposite sides. I have added a link to a help article on trailer wiring which I recommend checking out as it has a bunch of really good info.
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  • Will Curt Echo In-Line Wireless Controller Blue Light Turn Off
  • Thank you for your purchase from etrailer of the Curt Echo In-Line Wireless Brake Controller # C79DR. The blue light will indeed turn off and not stay on the entire time, so it won't drain your battery.
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  • Will B&W Tow & Stow 2-Ball Mount Clear GMC MultiPro Tailgate With Mount Removed
  • Yes, the B&W Tow & Stow 2-Ball Mount - MultiPro - 2" Hitch - 4.5" Drop/5.5" Rise # BW29FR. will allow indeed allow you to open the GMC MultiPro tailgate. This is designed specifically so you can leave the ball mount in and use the MultiPro tailgate; you can lock it with Hitch Lock # e98882.
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  • ATV/UTV Wheel Tie Downs That Are Made In The USA
  • While we do not have an entire kit like the Erickson ATV E-Track Tie-Down Kit # EM98CV that is Made in the USA, we will have different parts that are Made in the USA. For straps we have the Snap-Loc E-Track Tie-Down Strap # SLLS28RER. These 2" wide by 8' long straps have a safe working load of 1,467lbs each. You can attach the straps to the Stainless Steel Snap-Loc E-Track Tie-Down Anchor # SLSS which is also Made in the USA and the stainless steel construction will outlast other anchors...
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  • Mileage Increase with Edge CTS3 EP39YR Programmer on 2015 GMC Sierra 1500.
  • A programmer, such as the Edge CTS3 # EP39YR will give you a slight increase in your 2015 GMC Sierra 1500's mpg. Typically, the mileage improvement is marginal, usually around 1-2 mpg. The actual increase you see will depend on several factors, such as the overall condition of the vehicle's drivetrain, driving style and the environmental conditions in which the vehicle is being operated. There really isn't a product on the market designed to drastically increase a vehicle's mpg. This product...
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  • Options For Mounting WDH Frame Brackets In An Alternative Location
  • One option is to relocate the propane tank tray. A lot of times the trays are attached to the A-frame with self tapping screws. You could remove the screws and move the tray front/back as needed. There is not any kind of adapter that is made for this purpose and you will have to connect the frame brackets 20-25 inches back from the center of the ball if you want to use a Blue Ox WD hitch like the # BLU75FR. Another option is to go with an Equalizer brand WD hitch like the # EQ37140ET....
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  • Replacement EZ Lube Spindle For 3,500 LB Axle
  • The EZ Lube Trailer Spindle we carry for a 3,500 lb axle is the TruRyde Spindle, part # TRU74FR. This spindle includes the nut and washers. The overall length of this spindle is 9 inches. This spindle is compatible with # L44649 outer and # L68149 inner bearings, and has a The bearing kit that would work with this spindle is part # BK2-100. All of the spindles we carry are a weld-on application. Please keep in mind that installing the spindle requires welding it to the axle by a certified...
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  • Will WeatherTech Air Deflectors Damage Window Tint
  • The WeatherTech Air Deflectors # WT84740 can be installed onto window tint without any issues.
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  • Angles For The Gate King On a 2017 GMC Sierra 1500
  • I have contacted Gate King and in between each position the tailgate will move at a 22 degree angle. So what this means is if you were to open the tailgate flat, raise it to the first locked position the tailgate will be at a 22 degree angle. When moving the gate to the next position it will move another 22 degrees before locking into the second position and so on through the six remaining positions. For your 2017 GMC Sierra I recommend the Adjustable Tailgate Support Bars Item # GK34FR
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  • Will K-Source Towing Mirrors Install Easily In Cold Weather On 2014 GMC Sierra 1500
  • We haven't received any negative feedback from customers that have purchased the K-Source Custom Towing Mirrors, part # KS80910 about the fit or problems with the mirrors in colder weather. If your concern is with the clips that hold the K-Source mirrors in place, I would recommend the Longview Custom Towing Mirrors, part # LVT-1800. These slip over your 2014 GMC Sierra 1500 mirrors and are held in place with the included arm that hooks to the inside edge of your mirrors. A hand knob...
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  • Is Torque Wrench Required When Installing Hardware Of DeeZee Nerf Bars On 2014 GMC Sierra 1500
  • When installing running boards like the DeeZee Nerf Bars, part # DZ372529 there is no mention of using a torque wrench for the mounting hardware in the instructions. The instructions do say that the hardware should be checked periodically to make sure the hardware remains tightened and secure.
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  • Horsepower and Torque Gain w/ Airaid MXP Cold Air Intake System # AR200-285 on 2015 GMC Sierra 1500
  • I spoke with my contact at Airaid and when using the MXP Cold Air Intake System with SynthaFlow Oiled Filter, # AR200-285, on 2015 GMC Sierra 1500, the Dyno testing, which reports at the rear wheels, shows a gain of 24 horsepower and 22 ft lbs of torque.
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