Why do the left bank CAM gears have no resistance when I put the timing belt on?

Yes, everything lines up even the dow pins when the belt is off. I can move both gears either way about a quarter of an inch. Here's some video to further your studies for me.

Here is the video.

This is for Ken L, sorry sir, I've sent you several clips but they didn't make it, so I'm going to try again. Also can you tell me how to put resistance back in my left bank cam gears, thank you sir.

This is Dave Todd, and I don't mean to be a pain, but my job depends on my car so I was just wondering if you might have a solution to my problem with my car. The cam gears on the left bank have no resistance on them when I put it in time, can you please help me fix this? And did you get the video on how wrong it sounds when I crank it over. Thank you for your concern in this matter. I'll try to send the video again if I need to, just let me know.

Here is the video I've been trying to send.

Yes the tensioner pin is pulled and you have sent those pictures to me already.I have a service manual that shows me all that and much more, but no one has told me how to get the tension back in my cam gears on the left bank, please tell me how to do that. Ken L, you told me that there should be tension when I set the timing, those gears have no resistance the timing marks line up and I don't have to put a wrench one on either gear. The first time I ever put the motor in time before the second time the belt broke all 4 cam gears had resistance on them. This is the second time putting this motor in time and the left bank has no resistance the marks just line up. This is a different head because when the belt broke the head spun out and bent 2 valves. I clamped the gears on the new head so I know they are not spun out. Can you please tell me how to fix this. This car is all I got, thank you Here is the video I have been trying to send you