2004 Chevrolet Suburban Owner's Manual - Page 321
2004 Chevrolet Suburban Manual
Page 321 highlights
To reinstall the lower air dam do the following: 1. Line up each push-pin with its intended retainer and push the washer portion of the push-pin towards the retainer until it locks into place. 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 so equipped) are properly attached. Be sure you read all the information about your four-wheel-drive or all-wheel-drive vehicle in this manual. 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. 2. Push the flat end of the push-pin towards the retainer until it locks into place, making sure each is secure. 4-25