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Black plate (90,1)
GMC Sierra Owner Manual - 2013 - crc - 8/14/12
9-90
Driving and Operating
Vehicle Series
Trailer Weight
Weight Distributing Hitch
Usage
Hitch Distribution
1500
Up to 7000 lbs
Optional
Refer to trailer
manufacturer
’
s
recommendation
1500
7001 to 9900 lbs
Required
50%
1500
Over 9900 lbs
Required
100%
2500/3500
Up to 18000 lbs
Optional
Refer to trailer
manufacturer
’
s
recommendation
A. Body to Ground Distance
B. Front of Vehicle
When using a weight-distributing
hitch, measure distance (A) before
coupling the trailer to the hitch ball.
If the hitch requires 50%
distribution, measure the height
again after the trailer is coupled and
adjust the spring bars so the
distance (A) is as close as possible
to halfway between the two
measurements. When 100%
distribution is required the spring
bars should be adjusted so the
distance (A) is the same as the
initial measurement after coupling
the trailer to the tow vehicle and
adjusting the hitch.
Fifth-Wheel and Gooseneck
Trailering
Fifth-wheel and gooseneck trailers
can be used with many pickup
models. These trailers place a
larger percentage of the weight
(kingpin weight) on the tow vehicle
than conventional trailers. Make
sure this weight does not cause the
vehicle to exceed GAWR or GVWR.