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Expert Answers about GMC Sierra 1500


  • 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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  • 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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  • How to Determine Which Ball Mount to Choose
  • The ball mount you need will depend on several factors, including the height of the trailer hitch, the height of the trailer coupler when the trailer is level and how heavy the trailer is. As a first step, you'll need to determine the rise or drop you'l need. Simply measure from the inside top of the receiver tube to the ground. Then with the trailer level, measure from the bottom edge of the coupler to the ground. The height difference is the rise or drop. If the hitch is taller, you'll...
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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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  • Is the Jensen Heavy Duty Outdoor Speaker Designed to Withstand Rain and Snow
  • Yes, the Jensen Heavy Duty Outdoor Speaker # JEN33VR is designed to withstand snow and rain, as well as salt and sun exposure. It has a durable, plastic construction that surrounds and protects the speaker from damage due to weather such as snow, rain, salt spray and UV exposure.
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  • Camper Tie-Downs For 2015 GMC Sierra 1500 Pickup Truck
  • The camper tie-downs we offer for your 2015 Sierra are the TorkLift Custom Frame-Mounted Camper Tie-Downs, part # TLC2217, and part # TLC3214. These brackets mount to the truck frame and are a nice tight fit so you do not have to worry about ground clearance. This system includes the front brackets, rear brackets, and all of the needed hardware for installation.
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  • Is the MagnaFlow Stainless Steel, Straight-Through Universal Muffler Loud
  • You have found your match for a muffler if you are looking for something that is not very loud on your 2018 GMC Sierra. The MagnaFlow Stainless Steel, Straight-Through Universal Muffler # MF12215 is a bit louder than your stock muffler but definitely not something that will burn your ears. I think you already used the perfect word for this muffler - subtle.
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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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  • Installation of Optronics TLL12RK LED Trailer Taillights
  • Although there isn't a plug and play harness available, wiring up the # TLL12RK taillights to a trailer harness like # A10-4225VP would be extremely easy, as you can see in the provided video where my buddy Jake shows how the harness is installed. The wiring pigtails included with the # TLL12RK would connect as follows: • Red wire on pigtail connects to green wire on right side, yellow wire on left side • Black wire on pigtail connects to brown wire on both sides • White wire grounds...
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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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  • 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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  • 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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  • 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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  • 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 Grille Guard Installed on 2021 GMC Sierra 1500 Interfere with Front Sensors
  • Installing a grille guard like the Westin # WE46FR HDX on a 2021 GMC Sierra 1500 will indeed obstruct the sensors on the front of the vehicle from working, however the grille guard will offer the benefit of protecting the front of your truck from damage. The grille guard is also available in black as part # W38RV.
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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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  • 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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  • 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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  • 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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