3. Attach the trailer to the vehicle without the weight
distribution bars connected.
4.
Measure the height from the top of the front wheel
opening on the fender to the ground, this is height H2.
5. Install and adjust the tension in the weight distribut-
ing bars per the manufacturers’ recommendations
so that the height of the front fender is approxi-
mately (H2-H1)/2+H1 (about 1/2 the difference
between H2 and H1 above Standard Ride
Height [H1]).
6. Perform a visual inspection of the trailer and weight
distributing hitch to confirm manufacturer’s recom-
mendations have been met.
Measurement Example
Example 2500/
3500 Height (mm)
H1 1030
H2 1058
H2-H1 28
Measurement Example
Example 2500/
3500 Height (mm)
(H2-H1)/2 14
(H2-H1)/2 + H1 1044
NOTE:
For all towing conditions, we recommend towing with
TOW/HAUL mode engaged.
Towing With All Other 2500/3500 (Non-Air
Suspension)
1. Position the truck to be ready to connect to the
trailer (do not connect the trailer).
2. Measure the height of the top of the front wheel
opening on the fender to ground, this is height H1.
3. Attach the trailer to the vehicle without the weight
distribution bars connected.
4. Measure the height of the top of the front wheel
opening on the fender to ground, this is height H2.
5. Install and adjust the tension in the weight distribut-
ing bars per the manufacturer’s recommendations
so that the height of the front fender is approxi-
mately (H2-H1)/2+H1 (about 1/2 the difference
between H2 and H1 above Standard Ride Height
[H1]).
6. Perform a visual inspection of the trailer and weight-
distributing hitch to confirm manufacturer’s recom-
mendations have been met.
Measurement Example
Example 2500/
3500 Height (mm)
H1 1030
H2 1058
H2-H1 28
(H2-H1)/2 14
(H2-H1)/2 + H1 1044
NOTE:
For all towing conditions, we recommend towing with
TOW/HAUL mode engaged.
Fifth-Wheel Hitch
The fifth-wheel hitch is a special high platform with a
coupling that mounts over the rear axle of the tow
vehicle in the truck bed. It connects a vehicle and fifth-
wheel trailer with a coupling king pin.
Your truck may be equipped with a fifth-wheel hitch
option. Refer to the separately provided fifth-wheel
hitch safety, care, assembly, and operating instructions.
Gooseneck Hitch
The gooseneck hitch employs a pivoted coupling arm
which attaches to a ball mounted in the bed of a pickup
truck. The coupling arm connects to the hitch mounted
over the rear axle in the truck bed.
Measuring Height (H)
158 STARTING AND OPERATING
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