Will Adding a Transmission and Oil Cooler Increase the Towing Capacity of a 2014 GMC Yukon SLT  

The method we use to determine the correct line to install a transmission cooler on is pretty simple. You want to install the cooler on the return line. To determine which line is the return line you will want to start with your truck totally cooled…

According to the GMC Trailer Towing Chart your 2011 GMC Yukon XL has a maximum towing capacity of 8,300 lbs. Generally speaking if your gross trailer weight (GTW) is more than 50% of the gross vehicle weight rating (GVWR) than a weight distribution…

Although the Timbren #TGMRYS4 would work for you, I'm not certain you'd be happy with the ride quality you'll experience once the suspension of your Suburban compresses and the preload is taken up which is when the helper springs come…

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

Hey Sam, I would recommend the Derale transmission cooler part #D13504 with the radiator adapter part #D13035 for your 2008 GMC Yukon XL with the 5.3 liter. This is a larger cooler that is the efficient plate fin design that we know works great on…

For sag from towing a trailer the best recommendation I can make is actually a weight distribution system. Suspension enhancement will help level your truck while towing. But the advantage to a weight distribution system is that it levels the vehicle…

You are correct, you should only be getting output when the brake is applied, or the override switch is activated. It sounds like the controller might be bad, but to make sure, you should probably bench test it before tossing it. Use a circuit…

The correct camper tie-downs for your 2008 Chevrolet 3500 Crew Cab, 8' bed are the HappiJac Truck-Mounted Camper Tie-Downs #LC182905-182971. I was able to verify this using the manufacturers selection guide. This will provide you with the needed…

Lance does have a proprietary plug, but many customers see a standard 6-way or 7-way round and notice it doesn't fit their factory 7-way as well. I've attached an article to help if you have one of the 7-way or 6-way round connectors which we…

It sounds like the purpose of getting the air helper spring would be to counteract the 1 inch compression you're getting in your rear suspension caused by the pin weight of your 5th wheel. If that's the case, I believe that the AirLift 5000…

For your A-frame trailer the Fulton A-Frame Coupler part #FE443050303 would be an excellent choice. This has more than enough capacity at 10k total trailer weight and uses 2-5/16 inch hitch ball which is a more popular size ball for higher capacity…

We have lift kits for trailer that easily add 2 inches to the height of the trailer. For that you'd want the part #RR23QX and you'd be set. I attached a picture that shows how it installs to give you an idea. This would be the easiest…