2009 GMC SIERRA brake

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Page 367 of 596

GMC SIERRA 2009  Owners Manual For example, adding a 700 lb (318 kg) snow plow
actually adds more than 700 lbs (318 kg) to the front
axle. Using the formula, if the snow plow is 4 ft (122 cm)
in front of the front axle and the whee

Page 372 of 596

GMC SIERRA 2009  Owners Manual Dinghy Towing
Two-Wheel-Drive Vehicles
Notice:If the vehicle is towed with all four wheels
on the ground, the drivetrain components could
be damaged. The repairs would not be covered by
the vehicle wa

Page 373 of 596

GMC SIERRA 2009  Owners Manual {CAUTION:
Shifting a four-wheel-drive vehicle’s transfer case
into N (Neutral) can cause the vehicle to roll even
if the transmission is in P (Park). The driver or
others could be injured. Make sure

Page 374 of 596

GMC SIERRA 2009  Owners Manual To dolly tow a two-wheel-drive vehicle, the vehicle
must be towed with the rear wheels on the dolly.
See “Rear Towing (Rear Wheels Off the Ground)”
later in this section for more information.
Four

Page 375 of 596

GMC SIERRA 2009  Owners Manual Rear Towing (Rear Wheels Off
the Ground)Two-Wheel-Drive Vehicles
Use the following procedure to dolly tow a
two-wheel-drive vehicle from the rear:
1. Attach the dolly to the tow vehicle following the

Page 376 of 596

GMC SIERRA 2009  Owners Manual Four-Wheel-Drive Vehicles
Use the following procedure to dolly tow a
four-wheel-drive vehicle from the rear:
1. Attach the dolly to the tow vehicle following the
dolly manufacturer’s instructions.
2

Page 377 of 596

GMC SIERRA 2009  Owners Manual Towing a Trailer
If the vehicle has a diesel engine, see the DURAMAX®
Diesel manual for more information.
Do not tow a trailer during break-in. SeeNew Vehicle
Break-In on page 2-22for more informatio

Page 396 of 596

GMC SIERRA 2009  Owners Manual Trailer Brakes
A loaded trailer that weighs more than 2,000 lbs
(900 kg) needs to have its own brake system that is
adequate for the weight of the trailer. Be sure to read
and follow the instructions