Adding Transmission cooler for towing a trailer GVWR 7800, GVW 5200

Asked by May 22, 2013 at 01:48 AM about the GMC Suburban

Question type: Car Customization

We have a Suburban 1500 LT Model C10906 Tires P265/70R17 and are looking to tow
a Crossroads Sunset Trail Reserve Ultra Lite 29SS

Are we kosher to tow with some headroom to deal with hills?

If not, does adding a transmission cooler + use tow tires along with electric brake do

2 Answers


What year is the burb. New style is rated around 8000 lbs. First anything over 4000 lbs I would install a trailer brake controller and use it, may save your live. General rule, if the trailer comes with trailer brakes you shoud be using them. Use an equilizing hitch to transfer some weight to the front wheels, reduces sway and increases control. Tranny cooler never hurts. I have a 3/4 ton truck at 6700 lbs and my 5000 lbs trailer is a handful on some hills or slippery surfaces (they were bad though 13% grade). Also depends were you live. Some states/provinces calculate your legal weight by adding up the ratings of your tires per axle and others use the GCVW on the vehicles sticker. If your goin to the later you will need a lighter trailer as this weight includes you and and everything else in the truck and trailer. The former just check your tire weight rating and ensure your registered for that weight if required.


Looked up the camper ave weight I found was around 5200. What is it with water, propane, etc.

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