GMC Chevrolet Tahoe 2011 Owner's Manual page 361

weight should be 15 to 25 percent
of the loaded trailer weight (B) up to
the maximums for vehicle series
and hitch type shown below:
Vehicle Series
1500
2500
1500
2500
Do not exceed the maximum
allowable tongue weight for the
vehicle. Choose the shortest hitch
extension that will position the hitch
ball closest to the vehicle. This will
help reduce the effect of trailer
tongue weight on the rear axle.
Hitch Type
Weight Carrying
Weight Carrying
Weight Distributing
Weight Distributing
Trailering may be limited by the
vehicle's ability to carry tongue
weight. Tongue or kingpin weight
cannot cause the vehicle to exceed
the GVWR (Gross Vehicle Weight
Rating) or the RGAWR (Rear Gross
Axle Weight Rating). See Total
Weight on the Vehicle's Tires later
in this section for more information.
After loading the trailer, weigh
the trailer and then the tongue,
separately, to see if the weights are
Driving and Operating
Maximum Tongue
Weight
272 kg (600 lbs)
453 kg (1,000 lbs)
499 kg (1,100 lbs)
680 kg (1,500 lbs)
proper. If they are not, adjustments
might be made by moving some
items around in the trailer.
Total Weight on the Vehicle's
Tires
Be sure the vehicle's tires are
inflated to the inflation pressures
found on the Certification label on
the drivers door or see Vehicle Load
Limits on page 9 22 for more
information. Make sure not to
exceed the GVWR limit for the
vehicle, or the RGAWR, with the tow
vehicle and trailer fully loaded for
the trip including the weight of the
trailer tongue. If using a weight
distributing hitch, make sure not to
exceed the RGAWR before applying
the weight distribution spring bars.
Weight of the Trailering
Combination
It is important that the combination
of the tow vehicle and trailer does
not exceed any of its weight
ratings GCWR, GVWR, RGAWR,
Trailer Weight Rating or Tongue
9-81