trailer GMC CANYON 2010 User Guide

Steps for Determining Correct Load Limit
1.Locate the statement “The combined weight
of occupants and cargo should never exceed
XXX kg or XXX lbs” on your vehicle’s placard.
2.Determine the combined weight of the driver
and passengers that will be riding in your
vehicle.
3.Subtract the combined weight of the driver
and passengers from XXX kg or XXX lbs.
4.The resulting figure equals the available
amount of cargo and luggage load capacity.
For example, if the “XXX” amount equals
1400 lbs and there will be five 150 lb
passengers in your vehicle, the amount of
available cargo and luggage load capacity is
650 lbs (1400−750 (5 x 150) = 650 lbs).
5.Determine the combined weight of luggage
and cargo being loaded on the vehicle. That
weight may not safely exceed the available
cargo and luggage load capacity calculated
in Step 4.
6.If your vehicle will be towing a trailer, the load
from your trailer will be transferred to your
vehicle. Consult this manual to determine how
this reduces the available cargo and luggage
load capacity of your vehicle.
SeeTowing a Trailer on page 5-48for important
information on towing a trailer, towing safety,
and trailering tips.
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Certication/Tire Label
A vehicle specific Certification/Tire label is attached
to the bottom section of the driver side center pillar
(B-pillar) or on the end of the driver side instrument
panel. Vehicles without a center pillar, like extended
cab models, will have the Certification/Tire label
attached to the edge of the driver side, extendedcab door, below the door latch post. The label
shows the Gross Vehicle Weight Rating (GVWR).
The GVWR includes the weight of the vehicle, all
occupants, fuel, cargo, and trailer tongue weight, if
pulling a trailer.
The Certification/Tire label also tells you the
maximum weights for the front and rear axles,
called Gross Axle Weight Rating (GAWR).
To find out the actual loads on your front and
rear axles, you need to go to a weigh station and
weigh your vehicle. Your dealer can help you
with this. Be sure to spread out your load equally
on both sides of the centerline.
Never exceed the GVWR for your vehicle, or the
GAWR for either the front or rear axle.
If the load is heavy, it should be spread out.
Similar appearing vehicles may have different
GVWRs and capacity weights. Please note your
vehicle’s Certification/Tire label or consult
your dealer/retailer for additional details.
Label Example
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Towing
Towing Your Vehicle
To avoid damage, the disabled vehicle should be towed
with all four wheels off the ground. Consult your
dealer/retailer or a professional towing service if the
disabled vehicle must be towed. SeeRoadside
Assistance Program on page 8-7.
To tow the vehicle behind another vehicle for
recreational purposes, such as behind a motorhome,
see “Recreational Vehicle Towing” following.
Recreational Vehicle Towing
Recreational vehicle towing means towing the vehicle
behind another vehicle – such as behind a motorhome.
The two most common types of recreational vehicle
towing are known as dinghy towing and dolly towing.
Dinghy towing is towing the vehicle with all four wheels
on the ground. Dolly towing is towing the vehicle
with two wheels on the ground and two wheels up on a
device known as a dolly.Here are some important things to consider before
recreational vehicle towing:
•What is the towing capacity of the towing vehicle?
Be sure to read the tow vehicle manufacturer’s
recommendations.
•What is the distance that will be travelled? Some
vehicles have restrictions on how far and how
long they can tow.
•Is the proper towing equipment going to be used?
See your dealer/retailer or trailering professional
for additional advice and equipment
recommendations.
•Is the vehicle ready to be towed? Just as preparing
the vehicle for a long trip, make sure the vehicle is
prepared to be towed. SeeBefore Leaving on a
Long Trip on page 5-27.
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Towing a Trailer
{WARNING:
The driver can lose control when pulling a trailer if
the correct equipment is not used or the vehicle is
not driven properly. For example, if the trailer is
too heavy, the brakes may not work well — or
even at all. The driver and passengers could be
seriously injured. The vehicle may also be
damaged; the resulting repairs would not be
covered by the vehicle warranty. Pull a trailer only
if all the steps in this section have been followed.
Ask your dealer/retailer for advice and information
about towing a trailer with the vehicle.Notice:Pulling a trailer improperly can damage the
vehicle and result in costly repairs not covered
by the vehicle warranty. To pull a trailer correctly,
follow the advice in this section and see your
dealer/retailer for important information about
towing a trailer with the vehicle.
To identify the trailering capacity of the vehicle, read the
information in “Weight of the Trailer” that appears
later in this section.
Trailering is different than just driving the vehicle by
itself. Trailering means changes in handling,
acceleration, braking, durability and fuel economy.
Successful, safe trailering takes correct equipment, and
it has to be used properly.
The following information has many time-tested,
important trailering tips and safety rules. Many of these
are important for your safety and that of your passengers.
So please read this section carefully before pulling a
trailer.
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Pulling A Trailer
Here are some important points:
•There are many different laws, including speed limit
restrictions, having to do with trailering. Make sure
the rig will be legal, not only where you live but
also where you will be driving. A good source for
this information can be state or provincial police.
•Consider using a sway control. See “Hitches” later
in this section.
•Do not tow a trailer at all during the first 500 miles
(800 km) the new vehicle is driven. The engine,
axle or other parts could be damaged.
•Then, during the first 500 miles (800 km) that a
trailer is towed, do not drive over 50 mph (80 km/h)
and do not make starts at full throttle. This helps
the engine and other parts of the vehicle wear in at
the heavier loads.
•Vehicles with automatic transmissions can tow in
D (Drive), but you may want to shift to a lower
gear selection if the transmission shifts too often
(e.g., under heavy loads and/or hilly conditions).
If the vehicle has a manual transmission it is better
not to use the highest gear.Three important considerations have to do with weight:
•The weight of the trailer
•The weight of the trailer tongue
•The weight on the vehicle’s tires
Weight of the Trailer
How heavy can a trailer safely be?
It depends on how the rig is used. For example, speed,
altitude, road grades, outside temperature and how
much the vehicle is used to pull a trailer are all
important. It can depend on any special equipment on
the vehicle, and the amount of tongue weight the vehicle
can carry. See “Weight of the Trailer Tongue” later in
this section for more information.
Maximum trailer weight is calculated assuming only the
driver is in the tow vehicle and it has all the required
trailering equipment. The weight of additional optional
equipment, passengers and cargo in the tow vehicle
must be subtracted from the maximum trailer weight.
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Use the following chart to determine how much the vehicle can weigh, based upon the vehicle model and options.
Vehicle Axle Ratio Maximum Trailer Weight GCWR*
2WD Regular Cab
2.9L L4 Automatic Transmission 3.73 3,400 lbs (1 542 kg) 7,000 lbs (3 175 kg)
2.9L L4 Manual Transmission 3.73 2,400 lbs (1 089 kg) 6,000 lbs (2 722 kg)
3.7L L5 Automatic Transmission 3.73 4,000 lbs (1 814 kg) 8,500 lbs (3 856 kg)
2WD Extended Cab
2.9L L4 Automatic Transmission 3.73 3,200 lbs (1 452 kg) 7,000 lbs (3 175 kg)
2.9L L4 Manual Transmission 3.73 2,200 lbs (998 kg) 6,000 lbs (2 722 kg)
3.7L L5 Automatic Transmission 3.73 5,500 lbs (2 495 kg) 9,500 lbs (4 309 kg)
5.3L V8 Automatic Transmission3.42
3.736,000 lbs (2 722 kg) 10,400 lbs (4 717 kg)
5.3L V8 Automatic Transmission,
ZQ8 Sport Suspension3.42 4,000 lbs (1 814 kg) 8,500 lbs (3 856 kg)
2WD Crew Cab
2.9L L4 Automatic Transmission 3.73 3,000 lbs (1 361 kg) 7,000 lbs (3 175 kg)
2.9L L4 Manual Transmission 3.73 2,100 lbs (953 kg) 6,000 lbs (2 722 kg)
3.7L L5 Automatic Transmission 3.73 5,500 lbs (2 495 kg) 9,500 lbs (4 309 kg)
5.3L V8 Automatic Transmission3.42
3.736,000 lbs (2 722 kg) 10,400 lbs (4 717 kg)
5.3L V8 Automatic Transmission,
ZQ8 Sport Suspension3.42 3,800 lbs (1 724 kg) 8,500 lbs (3 856 kg)
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Vehicle Axle Ratio Maximum Trailer Weight GCWR*
4WD Regular Cab
2.9L L4 Automatic Transmission 3.73 3,100 lbs (1 406 kg) 7,000 lbs (3 175 kg)
2.9L L4 Manual Transmission 3.73 2,100 lbs (953 kg) 6,000 lbs (2 722 kg)
3.7L L5 Automatic Transmission 3.73 4,000 lbs (1 814 kg) 9,000 lbs (4 082 kg)
4WD Extended Cab
2.9L L4 Automatic Transmission 3.73 2,900 lbs (1 315 kg) 7,000 lbs (3 175 kg)
2.9L L4 Manual Transmission 3.73 1,900 lbs (861 kg) 6,000 lbs (2 722 kg)
3.7L L5 Automatic Transmission 3.73 5,500 lbs (2 495 kg) 9,800 lbs (4 445 kg)
5.3L V8 Automatic Transmission3.42
4.106,000 lbs (2 722 kg) 10,400 lbs (4 717 kg)
4WD Crew Cab
3.7L L5 Automatic Transmission 3.73 5,500 lbs (2 495 kg) 9,800 lbs (4 445 kg)
5.3L V8 Automatic Transmission3.42
4.106,000 lbs (2 722 kg) 10,400 lbs (4 717 kg)
*The Gross Combination Weight Rating (GCWR) is the total allowable weight of the completely loaded vehicle and
trailer including any passengers, cargo, equipment and conversions. The GCWR for the vehicle should not be
exceeded.
Ask your dealer/retailer for our trailering information or
advice, or write us at our Customer Assistance
Offices. SeeCustomer Assistance Offices on page 8-6
for more information.
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Weight of the Trailer Tongue
The tongue load (A) of any trailer is an important weight
to measure because it affects the total gross weight
of the vehicle. The Gross Vehicle Weight (GVW)
includes the curb weight of the vehicle, any cargo
carried in it, and the people who will be riding in the
vehicle. If there are a lot of options, equipment,
passengers or cargo in the vehicle, it will reduce the
tongue weight the vehicle can carry, which will also
reduce the trailer weight the vehicle can tow. If towing a
trailer, the tongue load must be added to the GVW
because the vehicle will be carrying that weight, too. See
Loading the Vehicle on page 5-33for more information
about the vehicle’s maximum load capacity.The trailer tongue weight (A) should be 10 percent to
15 percent of the total loaded trailer weight, up to
a maximum of 500 lbs (226 kg) with a weight carrying
hitch.
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Do not exceed the maximum allowable tongue weight
for the vehicle. Choose the shortest hitch extension that
will position the hitch ball closest to the vehicle. This
will help reduce the effect of trailer tongue weight on the
rear axle.
After loading the trailer, weigh the trailer and then the
tongue, separately, to see if the weights are proper.
If they are not, adjustments might be made by moving
some items around in the trailer.
Trailering may be limited by the vehicle’s ability to carry
tongue weight. Tongue weight cannot cause the vehicle
to exceed the GVWR (Gross Vehicle Weight Rating) or
the RGAWR (Rear Gross Axle Weight Rating). The effect
of additional weight may reduce the trailering capacity
more than the total of the additional weight.Consider the following example:
A vehicle model base weight is 5,500 lbs (2 495 kg);
2,800 lbs (1 270 kg) at the front axle and 2,700 lbs
(1 225 kg) at the rear axle. It has a GVWR of 7,200 lbs
(3 266 kg), a RGAWR of 4,000 lbs (1 814 kg) and a
GCWR (Gross Combination Weight Rating) of
14,000 lbs (6 350 kg). The trailer rating should be:
Expect tongue weight to be at least 10 percent of trailer
weight (850 lbs (386 kg)) and because the weight is
applied well behind the rear axle, the effect on the rear
axle is greater than just the weight itself, as much as
1.5 times as much. The weight at the rear axle could be
850 lbs (386 kg) X 1.5 = 1,275 lbs (578 kg). Since the
rear axle already weighs 2,700 lbs (1 225 kg), adding
1,275 lbs (578 kg) brings the total to 3,975 lbs (1 803 kg).
This is very close to, but within the limit for RGAWR as
well. The vehicle is set to trailer up to 8,500 lbs
(3 856 kg).
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If the vehicle has many options and there is a front seat
passenger and two rear seat passengers with some
luggage and gear in the vehicle as well. 300 lbs (136 kg)
could be added to the front axle weight and 400 lbs
(181 kg) to the rear axle weight. The vehicle now weighs:
Weight is still below 7,200 lbs (3 266 kg) and you
might think 700 additional pounds (318 kg) should be
subtracted from the trailering capacity to stay within
GCWR limits. The maximum trailer would only be
7,800 lbs (3 538 kg). You may go further and think the
tongue weight should be limited to less than 1,000 lbs
(454 kg) to avoid exceeding GVWR. But the effect on the
rear axle must still be considered. Because the rear axle
now weighs 3,100 lbs (1 406 kg), 900 lbs (408 kg) can
be put on the rear axle without exceeding RGAWR.The effect of tongue weight is about 1.5 times the actual
weight. Dividing the 900 lbs (408 kg) by 1.5 leaves only
600 lbs (272 kg) of tongue weight that can be handled.
Since tongue weight is usually at least 10 percent of total
loaded trailer weight, expect that the largest trailer the
vehicle can properly handle is 6,000 lbs (2 721 kg).
It is important that the vehicle does not exceed any of
its ratings — GCWR, GVWR, RGAWR, Maximum Trailer
Rating or Tongue Weight. The only way to be sure it
is not exceeding any of these ratings is to weigh
the vehicle and trailer.
Total Weight on the Vehicle’s Tires
Be sure the vehicle’s tires are inflated to the upper limit
for cold tires. These numbers can be found on the
Certification/Tire label located at the bottom of the center
pillar on the driver’s side of the vehicle, or seeLoading
the Vehicle on page 5-33. Make sure not to go over the
GVW limit for the vehicle, or the GAWR, including the
weight of the trailer tongue. If using a weight distributing
hitch, make sure not to go over the rear axle limit before
applying the weight distribution spring bars.
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