Quit that extra job on the weekends or in the evenings and instead drive the kids to the mosque for Halaqas and activities instead.
Or consider switching shifts at work so that you're home when the kids are. Whether it's in the car during a traffic jam, early morning after Fajr, or right before you go to bed, read the Quran with a translation and/or Tafseer. You will, Insha Allah, reconnect with Allah, and in the long run, develop into a role model helping your whole family, not just your teen, reconnect with Him too.
Equip your home with an Islamic library with books, video and audio cassettes about various aspects of Islam, catering to everyone's age and interests.
If 13-year-old Bilal likes adventure novels, for example, make sure you have a couple of Islamic adventure books Get one of your teens to be the librarian.
Does Noor play hockey in an all-girls' sports league? Give him a book on advanced web design as Eid gift. But don't do this in the family meeting or n in front of others. While dating is commonly associated with boy-girl social meetings, the concept can be extended to any meeting between two people wanting to get to know each other better.
As you spend more time with your teen, you will be more able to sense if there is something bothering them. It's especially important to "date" your children on an individual level once they hit their teens because they are no longer just "one of the kids".
After living in a Muslim neighborhood and attending Islamic activities regularly, teens in many cases will develop a friendship with other Muslims their age. Help them establish a youth group, not just to learn about Islam, but to go to the amusement park together, go swimming, etc.