Neil Ruddock is not a coach anymore, so returns to just been a player, while Malcolm Crosby takes over from Neil Ruddock as reserve team manager.
Andy King said: "Steve and I spoke on Sunday about the Club’s current plight and also discussed the possibility of him linking up with the team on a short-term basis.
"Hopefully, his arrival will lift the side and provide us with some fresh ideas to help us get through this difficult period. Steve will bring a different approach and has a tremendous amount of managerial experience we can tap into.
"I also learned that he was actually at Saturday’s game at Loftus Road scouting for another club, so he will already know about some of the players which is a bonus.