GMT800, Escalade EXT
1. Lift the rear seat cushion to access the suspension control module.
2. Remove the holders (1) of the control unit cover (2).
3. Remove the cover (1).
4. Disconnect the connectors (2) of the control unit (3).
5. Remove the control unit.
6. Installation is carried out in reverse order. When replacing the control unit, it is necessary to program the new unit.
GMT800. Tahoe/Yukon/Escalade
1. Remove the right rear interior trim panel.
2. Disconnect the suspension control unit connectors.
3. Unscrew the block mounting bolts.
4. Slide the block off the bracket and remove the block.
5. Installation is carried out in reverse order. When replacing the control unit, it is necessary to program the new unit.
GMT900. All models
1. Raise the vehicle.
2. Remove the spare tire.
3. Loosen the nuts (1) securing the control unit (3) and disconnect the connector from the unit.
4. Remove the control unit from the slots in the frame.
5. Installation is carried out in the reverse order of removal.
(The source of the article is available on the website «ChevyMan.ru»)