VVT/VTC Issue - Need diagnosis
-VCT Actuator grind on cold start
-Metal on metal sound for the first minute of driving that goes away
-Car struggles to exceed 3k RPM. The throttle must be floored and then it jumps to 4k RPM but struggles to go higher
The last symptom is reminiscent of the issue form this video ( https://www.youtube.com/watch), but unlike that video there is no oil leaking around the solenoid.
Would it be worth it to just replace the VTC Oil Control Solenoid Valve and the Rocker Arm Oil Control Solenoid and Filter myself and see if the issues clear up. Or should I go ahead and take the valve cover and chain case off to replace the VTC Actuator and check to see if the timing chain is still on the guides and replace the timing chain and guides if not?
I can easily replace the solenoid, valve and filter myself. I think I can even do the chain/actuator, but I would be very uneasy working on them and might opt to have a mechanic do that.