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2009 GMC SIERRA 1500 TOWING HELP

Arsenalpsu

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Arsenalpsu New Member

Arsenalpsu

Posted
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Hello all, I have a 2009 GMC Sierra 1500, quad cab 4x4 with a 5.3L 6 speed tranny & tow package. The truck is rated for towing 9500 lbs. I have been towing a camper for a few years that was around 6000 lbs, which it did pretty well at. I have now upgraded my camper to around 7800 lbs and it still does pretty well all things considered, using a Reese weight distribution hitch with cam bars for sway control. My question is I would like to give the truck a little help with cooling and add a little more stability. Can anyone recommend an auxiliary transmission cooler w/ fan and oil cooler? She heats up a bit pulling long hills and stop/go- transmission around 235ish. I am also thinking maybe a leaf helper spring to stiffen the suspension a bit? Parts lists or kits suggestions would be great.

 

I know I'm not going to win any races, I take my time, and yes I know this is a lot of weight for this truck. I don't drive it all over the country, just trying to give my 1500 a little help and keep temperatures in check a little easier. Any suggestions & comments welcome. I have attached a pic for your viewing pleasure. THANK YOU!!

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Sass Enthusiast

Sass

Posted
Posted

If your truck doesn't have the factory cooler I would look there for starters and see what a factory one was like and price it. You know it will fit and work. Then you know what to compare to when you look aftermarket. I'm sure someone here had upgraded at some point and will chime in.

Arsenalpsu New Member

Arsenalpsu

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Posted

Thanks for the reply. I do have the factory cooler, but it's about 4"x11" and doesn't do much when going up a steep grade 45mph or when driving stop/go traffic. Not looking to change the world here just trying to help with temps and maybe a little stability when a large truck to rolling by!

mdauwald Enthusiast

mdauwald

Posted
Posted

I use an Equalizer brand weight distribution hitch and mine stays pretty firm until you get 40mph crosswinds. My weight is only 6300 lbs loaded though. As far as cooling is concerned I haven't had an issue with that as long as I run in 3rd with tow/haul mode on. (I have 4 spd with 3.73 rear). Make sure you run in a lower gear and also verify you don't have the 3.08 rear end.

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