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5. Install and adjust the tension in the
weight-distributing bars so that the height
of your vehicle's front wheel opening on
the fender is approximately half the way
down from H2, toward H1.
6. Check that the trailer is level or slightly
nose down toward your vehicle. If not,
adjust the ball height accordingly and
repeat Steps 2-6.
When the trailer is level or slightly nose down
toward the vehicle:
• Lock the bar tension adjuster in place.
• Check that the trailer tongue securely
attaches and locks onto the hitch.
• Install safety chains, lighting, and trailer
brake controls as required by law or the
trailer manufacturer.
Weight-distributing Hitch - Vehicles with
Automatic Leveling Suspension
WARNING
Do not adjust a weight-distributing
hitch to any position where the rear
bumper of the vehicle is higher than it was
before attaching the trailer. Doing so will
defeat the function of the weight-distributing
hitch, which may cause unpredictable
handling, and could result in serious personal
injury.
Note: If you do not move the loaded vehicle
for approximately 12 hours, the leveling
system may bleed down to a lower height.
This can be especially apparent if you leave
a trailer attached to the parked vehicle for
long periods. You must drive your vehicle in
order to re-level the suspension.
When hooking-up a trailer using a
weight-distributing hitch, always use the
following procedure:
1. Load the interior of the vehicle to a
weight similar to that which you intend
to carry when towing. This includes
things such as passenger weight and
cargo.
2. Drive the vehicle for approximately 2
miles (3 kilometers) to re-level the
suspension.
3. Park the loaded vehicle, without the
trailer, on a level surface.
4. Measure the height to the top of your
vehicle's front wheel opening on the
fender. This is H1.
5. Attach the loaded trailer to your vehicle
without the weight-distributing bars
connected.
6. Make sure you securely attach and lock
the trailer tongue to the hitch.
7. Install safety chains, lighting, and trailer
brake controls as required by law or the
trailer manufacturer.
8. Drive the vehicle and trailer at 20–25
mph (32–40 km/h) for approximately 2
miles (3 kilometers) to re-level the
suspension.
223
Navigator (TB5) Canada/United States of America, enUSA, First Printing
Towing
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