"We still don't know the reason he was let go; there's been a lot of speculation. The season he had was a disaster," the former Amakhosi tactician said as quoted by KickOff.
"Despite winning the Nedbank Cup, not finishing in the top eight was simply not enough for Kaizer Chiefs.
"In some ways, I can't blame the team for parting ways with the coach. As for promoting his two assistants, perhaps the club believes it could work, but only time will tell," Khan continued.
"Kaizer Chiefs needs to reinvent their football culture. Many people are looking at the symptoms by focusing on the coaches and players being brought in, but what is truly needed is for the team to revisit its football culture.
"When I was coaching at Chiefs with Muhsin Ertugral, we understood the club's football culture very well.
"Football culture isn't just about playing attractive football; it's about the entire approach," he concluded.