Pontiac 2002 Firebird - Manual (Page 206)

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Three important considerations have to do with weight:
D the weight of the trailer,
D the weight of the trailer tongue
D and the total weight on your vehicle’s tires.
Weight of the Trailer
How heavy can a trailer safely be?
It should never weigh more than 1,000 lbs. (450 kg)
including the cargo, passengers and equipment.
But even that can be too heavy.
It depends on how you plan to use your rig.
For example, speed, altitude, road grades, outside
temperature and how much your vehicle is used to
pull a trailer are all important. And, it can also depend
on any special equipment that you have on your vehicle.
You can ask your dealer for our trailering information or
advice, or you can write us at:
Pontiac - GMC Customer Assistance Center
P.O. Box 33172
Detroit, MI 48232
- 5172
In Canada, write to:
General Motors of Canada Limited
Customer Communication Centre, 163
- 005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
Weight of the Trailer Tongue
The tongue load (A) of any trailer is an important
weight to measure because it affects the total or gross
weight of your vehicle. The Gross Vehicle Weight
(GVW) includes the curb weight of the vehicle, any
cargo you may carry in it, and the people who will be
riding in the vehicle. And if you tow a trailer, you must
add the tongue load to the GVW because your vehicle
will be carrying that weight, too. See “Loading Your
Vehicle” in the Index for more information about your
vehicle’s maximum load capacity.