Before you go off-roading – GMC 2009 Sierra User Manual

Page 271

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The following steps must be performed on the bolts
and snap features to remove the air dam:

1. Remove the two outboard air dam bolts.

2. With a flat-blade screwdriver, push down on the

snap features and disengage the snaps.

3. After the bolts are removed and the snaps are

disengaged, push forward on the air dam until it
is free.

When you are back on roads, though, be sure to
replace the air dam.

Notice: Operating your vehicle for extended
periods without the front fascia lower air dam
installed can cause improper air flow to the engine.
Always be sure to replace the front fascia air
dam when you are finished off-road driving.

To reinstall the lower air dam do the following:

1. Line up the snap features and push the air dam

rearward to engage the snaps.

2. Install the two outboard bolts.

Before You Go Off-Roading

There are some things to do before you go out. For
example, be sure to have all necessary maintenance
and service work done. Check to make sure all
underbody shields, if the vehicle has them, are properly
attached. Is there enough fuel? Is the spare tire fully
inflated? Are the fluid levels up where they should be?
What are the local laws that apply to off-roading
where you will be driving? If you do not know, you
should check with law enforcement people in the area.
Will you be on someone’s private land? If so, be
sure to get the necessary permission.

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