2002 Ford Expedition timing chain noise

Need help, 4.6 lit. Romeo eng. Timing chain began to chatter about a month ago. Was not sure what the problem was until about five days ago. Here is the problem, coming home the oil light came on very quickly got off the fwy. Shut down the motor and checked the oil level it was fine, started back up no problems other than the timing chain chattering. Oil light did not come back on. 4 or 5 minutes down the road it did come back on still no noise from motor pulled over because it had no power to climb the small grade. Shut it down and called AAA. Waiting for the tow truck I tried to start it no luck.
this motor is not free spining how do I get it to TDC?
timing chain is not broken, but the guides have some damage from the chain and the tensioners appear to have been rubbing the chain, all the help I can get is appreciated.