GMC Yukon 2021 Owner's Manual page 290

Vehicle Series
1500
1500
1. Front of Vehicle
2. H1/H2 Body to Ground Distance
Trailer Weight
Up to 3 175 kg (7,000 lb)
Over 3 175 kg (7,000 lb)
Towing
1. Position the truck so that the trailer is
ready to connect (Keep trailer detached).
2. Measure the height of the top of the
front wheel opening at the fender to the
ground (H1).
3. Attach the vehicle to the trailer, do not
attach weight distribution bars at
this time.
4. Measure the height of the top of the
front wheel opening on the fender to
the ground (H2).
Weight-Distributing Hitch Usage
Optional
Required
5. Install and adjust the tension in the
6. Visually inspect the trailer and weight
Driving and Operating
Hitch Distribution
Refer to trailer manufacturer s
recommendation
50%
weight distributing bars per the
manufacturers recommendations so that
the height of the front fender is
approximately H2- [(H2-H1)/2] (half way
between the two measured ride heights).
distributing hitch to ensure that the
manufacturers recommendations have
been met.
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